All efforts have been made to ensure the accuracy of material pr ovided in this document at the t ime
of release. However, the items described in this document are subject to continuous de velopment
and improvement. All specifications are subject to change without notice an d do not represent a
commitment on the part of Enfora, Inc. Enfora, Inc. will not be responsib le for any loss o r damages
incurred related to the use of information contained in this docum ent.
This product is not intended for use in life support a ppliances, devices or systems where a
malfunction of the product can reasonably be expected to result in personal injury. Enfora, Inc.
customers using, integrating, and/or selling this product for u se in such application s do so at their
own risk and agree to fully indemnify Enfora, Inc. for any damages resulting from illegal use or resale.
Copyright
Complying with all applicable copyright laws is the responsibility of the user. Withou t limiting the
rights under copyright, no part of this document may be reprodu ced, stored in or introd uced into a
retrieval system, or transmitted in any form or by any means (electronic, mechanical, ph otocopying,
recording or otherwise), or for any purpose, without the express written permission of En fora, Inc.
Enfora may have patents, patent applications, trademarks, copyrights or other intellect ual property
rights covering subject matter in this document. Except as expressly provide d in any written license
agreement from Enfora, the furnishing of this document does not give you any license to these
patents, trademarks, copyrights or other intellectual property.
3.2.3. US Government......................................................................................................................................6
3.2.4. Federal Communications Commission (FCC).......................................................................................6
3.2.5. FCC Office of Engineering and Technology (OET) ..............................................................................6
3.2.6. Industry Canada ....................................................................................................................................7
5.3.OPERATING POWER ......................................................................................................................................18
5.3.1. GSM Operating Power ........................................................................................................................18
5.3.3. Typical Input Current ..........................................................................................................................19
6.6.2. Ring Indicate........................................................................................................................................31
6.6.3. Using the Power Control Signal..........................................................................................................32
6.6.4. Level Translation Reference Power (Pin 77).......................................................................................37
6.6.5. USB (Pins 1, 3, 5, 7, 9)........................................................................................................................37
6.6.6. LED A (Pin 8) & B (Pin 6), VRWLED (Pin 10)...................................................................................39
6.6.7. LED VRW (Pin 10) ..............................................................................................................................41
6.6.8. General Purpose Input/Output Interface .............................................................................................42
6.6.9. Power Control (Pin 35).......................................................................................................................43
6.6.17. Using VBAK.........................................................................................................................................49
7.3.CIRCUIT-SWITCHED DATA ...........................................................................................................................59
7.4.SMS: SHORT MESSAGE SERVICES................................................................................................................60
8.1.PROVISIONING THE SIM ...............................................................................................................................61
8.2.GSM SERVICES SUPPORTED BY THE ENFORA ENABLER III-G MODULE ......................................................61
8.3.GPRS SERVICES SUPPORTED BY THE ENFORA ENABLER III-G MODULE.....................................................61
8.4.SELECTING THE GSM MODES OF OPERATION ..............................................................................................62
9.5.ENFORA MODEM CONTROL LIBRARY ARCHITECTURE.................................................................................67
9.5.1. Using Port Library ..............................................................................................................................68
9.5.2. Using Messaging Library....................................................................................................................68
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9.5.3. Using Modem Library..........................................................................................................................70
10. SETUP AND INITIALIZATION.................................................................................................................70
10.2.3. Data Call Configuration......................................................................................................................75
10.3.1. GPRS ATTACH and ACTIVATE..........................................................................................................75
10.3.2. Windows PPP Setup.............................................................................................................................75
11. INTEGRATION AND TESTING................................................................................................................76
11.1.INTEGRATING THE ENFORA ENABLER III-G MODULE ..............................................................................76
13.5.COMPLIANCE WITH FCC REGULATIONS...................................................................................................83
13.6.UNINTENTIONAL RADIATORS, PART 15....................................................................................................84
13.7.INTENTIONAL RADIATORS, PART 22 &24................................................................................................84
13.8.INSTRUCTIONS TO THE ORIGINAL EQUIPMENT MANUFACTURER (OEM)..................................................85
13.8.1. OEM Responsibilities for All Products Containing the Enabler III-G module....................................87
13.8.2. Specific OEM Responsibilities for Portable Products and Applications.............................................88
13.8.3. Specific OEM Responsibilities for Mobile Products and Applications................................................88
13.8.4. Specific OEM Responsibilities for Fixed Products and Application s..................................................88
13.9.EMC/SAFETY REQUIREMENTS FOR THE COUNTRIES OF THE EUROPEAN UNION (EU)..............................89
13.10.EMC/SAFETY REQUIREMENTS FOR OTHER COUNTRIES...........................................................................89
14. APPENDIX C - GLOSSARY AND ACRONYMS......................................................................................90
15. APPENDIX D – TABLES AND FIGURES.................................................................................................92
16. APPENDIX E - CONTACTING ENFORA.................................................................................................93
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1. Safety Precautions
1.1. Important Safety Information
The following information applies to the devices described in this manual. Always observe all standard and
accepted safety precautions and guidelines when handling an y electrical device.
• Save this manual: it contains important safety information and operating instructions.
• Do not expose the Enfora Enabler III-G product to open flames.
• Ensure that liquids do not spill onto the devices.
• Do not attempt to disassemble the product: Doing so will void the warranty. With the
exception of the Subscriber Identification Module (SIM), this product does not contain
consumer-serviceable components.
2. Regulatory Compliance FCC
2.1. Integration Considerations and Installation Requirements
The Enabler III-G modem is designed for use in a variety of host units, "enabling" the host
platform to perform wireless data communications. However, there are certain criteria relative to
integrating the modem into a host platform such as a PC, laptop, handheld or PocketPC
and control unit, etc. that must be considered to ensure continued compliance with FCC
compliance requirements.
• In order to use the Enabler III-G modem without additional FCC certification approvals, the
installation must meet the following conditions:
• Maximum RF output power and antenna gain to meet Maximum Permissible Exposure
Requirements: GSM850 mode: Power at antenna port is +32 dBm. The maximum gain
is 4.5 dBi(2.35 dBd). GSM1900 mode: Power at antenna port is 31.3 dBm. The
maximum gain is 2 dBi in order to meet the requirements of maximum 2 watts EIRP for
mobile transmitters.If RF power and/or antenna gain is desired, a separate FCC
certification is required.
• If used in a "portable" application such as a handheld or body worn device with the
antenna less than 20 cm (7.9 in.) from the human body when the device is operating,
then the integrator is responsible for passing additional "as installed" testing and the
device will require it’s own FCC ID:
• SAR (Specific Absorption Rate) testing, with results submitted to the FCC for
approval prior to selling the integrated unit. If unable to meet SAR requirements,
then the host unit must be restricted to "mobile" use (see below).
• Unintentional emissions, FCC Part 15; results do not have to be submitted to the
FCC unless requested, although the test provides substantiation for required labeling
(see below).
• ERP and EIRP measurements for FCC Parts 22 and 24, alternatively a full retest on
FCC Parts 22 and 24 can be performed
®
, monitor
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• If used in a "mobile" application where the antenna is normally separated at least 20 cm
(7.9 in) from the human body during device operation, then an appropriate warning label
must be placed on the host unit adjacent to the antenna. The label should contain a
statement such as the following:
• Host unit user manuals and other documentation must also include appropriate caution
and warning statements and information.
• If the FCCID for the modem is not visible when installed in the host platform, then a
permanently attached or marked label must be displayed on the host unit referring to the
enclosed modem.
For example, the label should contain wording such as:
• Any antenna used with the modem must be approved by the FCC or as a Class II
Permissive Change (including MPEL or SAR data as applicable). The "professional
installation" provision of FCC Part 15.203 does not apply.
WARNING
RF exposure. Keep at least 20 cm
(7.9 in) separation distance from
the antenna and the human body.
Contains GSM/GPRS modem transmitter module
FCC ID: MIVGSM0308
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
This device must accept any interference received,
including interference that may cause undesired
operation.
OR
Contains FCC ID: MIVGSM0308
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
This device must accept any interference received,
including interference that may cause undesired
operation.
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• The transmitter and antenna must not be co-located or operating in conjunction with any
other antenna or transmitter. Violation of this would allow a user to plug another
transmitter in to the product and potentially create an RF exposure condition.
2.2. Disclaimer
The information and instructions contained within this publication comply with all FCC, GCF,
PTCRB, R&TTE, IMEI and other applicable codes that are in effect at the time of publication.
Enfora disclaims all responsibility for any act or omissions, or for breach of law, code or
regulation, including local or state codes, performed by a third party.
Enfora strongly recommends that all installations, hookups, transmission s, etc., be performed by
persons who are experienced in the fields of radio frequency technologies. Enfora acknowledges
that the installation, setup and transmission guidelines contained within this publication are
guidelines, and that each installation may have variables outside of the guidelines contained
herein. Said variables must be taken into consideration when installing or using the product, and
Enfora shall not be responsible for installations or transmissions that fall outside of the
parameters set forth in this publication.
Enfora shall not be liable for consequential or incidental damages, injury to any person or
property, anticipated or lost profits, loss of time, or other losses incurred by Customer or any third
party in connection with the installation of the Products or Customer's failure to comply with the
information and instructions contained herein.
WARNING
The transmitter and antenna must not be collocated
or operating in conjunction with any
other antenna or transmitter. Failure to observe
this warning could produce an RF exposure
condition.
The Enabler III-G platform is designed with features to
support a robust connection. There are instances
where the module performance is beyond the control
of the intended design. Integrated designs that require
24 by 7 operation must implement power control via an
external circuit or by implementing power management
as specified within this design guide.
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3. Manual Overview
This document describes the hardware interface of the Enabler III-G modem. The purpose of
this document is to define the electrical, mechanical and software interfaces while providing
detailed technical information in order to streamline the process of hardware and system
integration.
3.2.5. FCC Office of Engineering and Technology (OET)
• Bulletin Number 65 "Evaluating Compliance with FCC Guidelines for Human Exposure
• Supplement C "Additional Information for Evaluating Compliance of Mobile and
http://www.fcc.gov/
• 47 CFR Subpart E--Broadband PCS
• 47 CFR § 24.52, sections 1.1307(b), 2.1091, and 2.1093
• Subpart J--Equipment Authorization Procedures
• Section 2.925
Internet: http://www.fcc.gov.oet/
to Radio Frequency Electromagnetic Fields"
Portable Devices with FCC Limits for Exposure to Radio Frequency Emissions"
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3.2.6. Industry Canada
• RSS-132
• RSS-133
• ICES-003
3.2.7. Environmental Regulations
• National Environmental Policy Act (NEPA) of 1969 (Part 1, Subpart 1)
3.2.8. Mechanical Specifications
• ASTM D999
• ASTM D775
• IEC 68-2-27
• Bellcore Gr-63-CORE
• ETS 300 019-1-1 Class 1.2
• ETS 300 019-1-2 Class 2.1
• ETS 300 019-1-3 Class 3.1
3.2.9. RF and EMI Specifications
• ETSI Standards
• EN 61000-4-6
• EN 61000-4-3
• 3GPP TS 51.010-1, Section 12.2
• EN 55022 Class B
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4. Introduction
4.1. Product Overview
4.2. Key Features of the Enabler III Module
Interface
Radio Features
Enfora Enabler III-G modem is a compact, wireless OEM module that utilizes the Global System
for Mobile Communications (GSM) and GPRS (General Packet Radio Services) international
communications standard to provide two-way wireless capabilities via GSM services. The Enfora
Enabler III-G module is a fully Type-approved GSM/GPRS device, enabling application-specific,
two-way communication and control.
The small size of the Enfora Enabler III-G module allows it to be integrated easily into the
application and packaging.
The following table summarizes the main features of the Enfora Enabler III-G Radio Module.
Data input/output interface 100 position 0.4mm pitch connector
Primary serial port V.24 protocol, 1.8V levels, full 9-pin, UART
Secondary serial port V.24 protocol, 1.8V levels (debug only)
GPIO 20 pins available (feature specific on some lines)
USB USB full-speed (FS) device compatible with the
I2C Multi- Master Serial Computer Bus
SPI Port Serial Peripheral Interface
Keyboard 5 x 5 keyboard support
Audio Digital audio via MCSI port
Voice Supports four vocoder modes: full-rate (FR),
Antenna Interface ultra Miniature Coaxial Interconnect or B2B Spring
Command protocol Enfora Packet API, GSM AT command set
Subscriber Identification Module
(SIM)
Voltage backup Voltage backup pin available to maintain RTC,
Reference clock 32kHz and 13 Mhz. output reference clocks
ADC 1 ADC port
Optional remote SIM Accessible via the 100-pin connector
Electrical power 3.3 to 4.5 Vdc Power
Peak currents and average
power dissipation
Frequency bands EGSM 900, GSM1800, GSM 850 and GSM 1900
GSM/GPRS features supported Provides for all GSM/GPRS authentication,
implementation
Universal Serial Bus Specification Revision 2.0
and the universal Serial Bus Specification
Revision 1.1.
enhanced full-rate (EFR), half-rate (HR), and
adaptive multi-rate (AMR)
contact
Optional 1.8/3 V mini-SIM carrier and interface on
board with SIM detect
battery capable
Refer to the Operating Power table in the
Technical Specifications for peak currents and
average power dissipation for various modes of
operation.
capability.
encryption, and frequency hopping algorithms.
GPRS Coding Schemes CS1-CS4 supported.
Multi-Slot Class 10 (4RX/2TX, Max 5 Slots).
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Regulatory Agency approvals
GSM/GPRS
Functionality
Audio Features
Outputs
• Mobile-originated and mobile-terminated SMS messages: up to 140 bytes or
up to 160 GSM 7-bit ASCII characters.
• Reception of Cell Broadcast Message
• SMS Receipt acknowledgement
• Circuit Switched Data (Transparent & Non-transparent up to 9.6 Kbps)
• Voice (EFR, FR, HR)
• Supports Unstructured Supplementary Service Data (USSD)
• Multi-Slot Class 10 Supported (4Rx/2TX), (5 Slot Max)
• PBCCH/PCCCH Supported
• Handset Microphone biasing
• Headset Microphone biasing
• Headset Plug/Unplug detection
• Headset Hook detection (call answer/end button on equipped Headset
microphone device)
• High output dynamic differential Earphone mode, using Headset outputs
• Pop Noise attenuation circuitry implemented for all single-ended output
stages
• Mono Voice memo capability: Voice memo function is supported for both 8
kHz Narrowband and 16 kHz
• FM stereo audio mux input (FML pin, FMR/AUXI pin)
• FM mono audio mux input (FMR/AUXI pin only)
• Handset microphone input (MICIN, MICIP pins)
• Headset microphone input (HSMIC pin)
• Car kit microphone (D+ pin)
• Handset earphone outputs (EARP, EARN pins)
• Headset 32 stereo outputs (HSOL, HSOR pins)
• USB car kit stereo outputs (D+(right), D- (left) pins)
• USB car kit mono output (D- (left) pin)
• GCF Type Approval
• PTCRB Type Approval
• FCC Certification
• RTTE
• CE (European Community Certification)
• IC (Industry Canada) Approval
SIM 1.8/3 V Mini-Subscriber Identity Module (SIM) compatible
Table 1 - Enabler III-G Key Features
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4.3. Providing Multi-Band Operation
The Enfora Enabler III-G module provides multi-band operation, with the operating frequency
selectable by AT Command:
• The 850/1900 MHz radio bands are available for integratio n and deployment for use
worldwide, with 850/1900 MHz support primarily in North America and regions where the
1900 MHz Personal Communication Services (PCS) band is allocated. The Enfora Enabler
III-G also supports GSM 850 for use in North America.
• The 900/1800 MHz Enfora Enabler III-G modules are available for deployment in Europe and the
rest of the world.
4.4. Wireless Data Application Possibilities
A variety of applications can use the Enfora Enabler III-G module for transmitting/receiving
data/voice, such as:
• Automated Meter Reading (AMR)
• Point of Sale Applications
• E-mail and Internet access
• Automated Vehicle Location (AVL)
• Machine to Machine communication (M2 M )
• Telematics
• Telemetry
• Wireless Security
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Figure 1 – UDP API Architecture
4.5. GSM/GPRS System Overview
The Enfora Enabler III-G module is shown in Figure 1 is designed for easy integration with other
components and packaging by leveraging the existing GSM networks. Compare the Enfora Enabler
III-G to systems that require construction, operation, maintenance, and expense of a private network.
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Figure 2 - PAD Architecture
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4.6. Summary of Features for the Enabler III-G Module
The following summarizes the main features of the Enfora Enabler III-G Module.
Mechanical
Dimensions................................... 27.0 mm x 28.0 mm x 2.50 mm
Transmit Power......................... Class 1 (1 W)
System Requirements:
Host Interface............................... Serial Interface
DC Voltage................................... 3.3 to 4.5 Vdc
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Application Interface:
Host Protocol................................ Status API and AT Commands
Internal Protocols .........................UDP stack, TCP/IP stack, PPP, PAD, and CMUX
Physical Interface......................... 1 serial (primary), I USB (debug) Default rate 115,200 baud,
Audio Interface.............................. FM stereo audio mux input (FML pin, FMR/AUXI pin), FM
SIM Interface:
Remote SIM Option 1.8/3-Volt SIM Capability
Environmental:
Compliant Temperature .............. -20 °C to 60 °C (Fully GSM Spec Compliant)
Operating Temperature ………….-30 °C to 70 °C
Storage Temperature................... -40 °C to 85 °C
Humidity ....................................... 5 to 95% non-condensing
EMC:
MCSI, I2C, SPI, Keyboard (5x5)
mono (FMR/AUXI pin only), Handset microphone input
(MICIN, MICIP pins), Headset microphone input (HSMIC
pin), Car kit microphone (D+ pin), Handset earphone outputs
(EARP, EARN pins), Headset 32 stereo outputs (HSOL,
HSOR pins), USB car kit stereo outputs (D+, D- pins), USB
car kit mono output (D- pin)
Emissions..................................... FCC Parts 15,22 & 24, Class B
3GPP TS 51010-1, Section 12.2
EN 55022 Class B
Operating Power (TYPICAL):
GSM Operation
GSM 850/900 (1 RX/1 TX, full power)………..TBD mA average, 1.6 A peak
GSM 1800 (1 RX/1 TX, full power)……………TBD mA average, 1.3 A peak
GSM 1900 (1 RX/1 TX, full power)……………TBD mA average, 1.2 A peak
Idle................................................ ………….. TBD mA
Shutdown ..................................... ……………≈ TBD uA
GPRS Operation Power
EGSM 850/900 (4 RX/1 TX, full power)…………… TBD mA average,
EGSM 850/900 (2 RX/2 TX, full power)…………... TBD mA average,
GSM 1800 (4 RX/1 TX, full power)………………… TBD mA average, A peak
GSM 1800 (2 RX/2 TX, full power) TBD mA average, A peak
GSM 1900 (4 RX/1 TX, full power)………………... TBD mA average, A peak
GSM 1900 (2 RX/2 TX, full power)………………… TBD mA average, A peak
4.7. General layout guidelines for Enfora GSM modules
To ensure lowest possible EMI emission, maximum thermal conduction and mechanical integrity, all
metal tabs on the GSM module shield must be soldered down on to a continuous ground plane. The
PCB trace that feeds the RF output port must be 50ohm characteristic impedance, coplanar, or
routed into internal layers to keep the top layer continuous around and underneath the device.
Provide ample ground vias around metal tabs, the RF trace and launch pad. If possible, keep I/O and
power traces away from the RF port.
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5. Technical Specifications
5.1. Enabler III-G Module Block Diagram
Figure 3 - Enabler III-G Module Block Diagram
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5.2. Detailed Product Specifications
Physical Dimensions and Weight
Size (L x W x H)
Weight
Climatic: Operational
GSM Compliant temperature
Operating temperature
Relative humidity
Solar radiation Not Applicable
Air pressure (altitude) 70 kPa to 106 kPa (-400 m to 3000 m)
Climatic: Storage and Transportation
Duration 24 months
Ambient temperature
Relative humidity
Thermal shock
Altitude -400 m to 15,000 m
Transportation vibration, packaged ASTM D999
Drop, packaged ASTM D775 method A, 10 drops
Shock, un-packaged 150 m/s
Drop, un-packaged 4-inch drop per Bellcore GR-63-CORE
Mechanical: Proposed Standards
Transportation ETSI Standard ETS 300 019-1-2 Class 2.3
Operational ETSI Standard ETS 300 019-1-3 Class 3.1
Storage ETSI Standard ETS 300 019-1-1 Class 1.2
Electromagnetic Emissions
Radiated spurious
27.0 mm x 28.0 mm x 2.50 mm
(3.6 g)
-20°C to +60°C
-30°C to +70°C
5 - 95%
-40C to +85C
5% to 95%, non condensing (at 40C)
-50C to +23C, +70C to +23C; < 5 min
3.0 mm disp, 2 to 9 Hz; 1 m/s
2
0.1 m
/s3 , 2 to 200 Hz
2
, 9 to 350 Hz
2
, 11 ms, half-sine per IEC 68-2-27
Transportation
Operational
Storage
FCC Part 22 & 24 / Part 15 Class \ B
3GPP TS 51.010-1 Section 12.2
EN 55022 Class B
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5.3. Operating Power
The Enfora Enabler III-G module requires an input voltage of 3.3 Vdc to 4.5 Vdc.
5.3.1. GSM Operating Power
Enfora Enabler III-G (@ 3.76
Volts)
GSM 850
EGSM 900
GSM 1800
GSM 1900 GSM 1 TX 1 RX
5.3.2. GPRS Operating Power
Enfora Enabler III-G (@ 3.76
Volts)
GSM 850
EGSM 900
GSM 1800 GPRS 1 TX /1RX
GSM 1 TX 1 RX
1 RX
Idle
GSM 1 TX 1 RX
1 RX
Idle
1 RX
Idle
GPRS 1 TX /1RX
2 TX/ 2RX
1 TX/ 2RX
1 TX/ 3RX
1 TX/ 4RX
1 RX
Idle
2 TX/ 2RX
1 TX/ 2RX
1 TX/ 3RX
1 TX/ 4RX
1 RX
Idle
GPRS 1 TX /1RX
2 TX/ 2RX
1 TX/ 2RX
1 TX/ 3RX
1 TX/ 4RX
1 RX
Idle
Typical Current (mAmps)
254 mA
104 mA
TBD mA
212 mA
104 mA
TBD mA
200 mA
104 mA
TBD mA
Typical Peak Current (Amps)
1.6 A @ 32.5 dBm
Error! Reference source not found.
A @ 29.5 dBm
Error! Reference source not found.
A @ 29.5 dBm
Typical Current (mAmps) Typical Peak Current (Amps)
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
TBD mA
1.6 A @ 32.5 dBm
Error! Reference source not found.
A @ 29.5 dBm
Error! Reference source not found.
A @ 29.5 dBm
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5.3.3. Typical Input Current
Test Conditions:
Typical Results @ 3.7 V with 2000 μF at connector input on V
GSM Operation Input Current
Band Mode Low Nom/Avg High/Peak Units
1900 mA
1800 mA
900 mA
850
ALL Idle
N/A Shutdown
1 RX/1 TX, Full Power
mA
terminated into a 50 Ω resistive load.
BAT
GPRS Operation Input Current
Band Mode Low Nom/Avg High/Peak Units
1900
1800
900
850
ALL Idle
N/A Shutdown
4 RX/1TX, Full Power mA
2 RX/2TX, Full Power mA
1 RX/1TX, Full Power mA
4 RX/1TX, Full Power mA
2 RX/2TX, Full Power mA
1 RX/1TX, Full Power mA
4 RX/1TX, Full Power mA
2 RX/2TX, Full Power mA
1 RX/1TX, Full Power mA
4 RX/1TX, Full Power mA
2 RX/2TX, Full Power mA
1 RX/1TX, Full Power mA
5.3.4. GSM Transmit Power
Enfora Enabler III-G module Power ClassTransmit Power