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About the MultiConnect MicroCell Modem ................................................................................................................. 5
LED Descriptions ........................................................................................................................................................... 7
Power Measurements................................................................................................................................................. 12
MTCM-LAT3 Power Draw.......................................................................................................................................... 12
MTCM-LSP3 Power Draw .......................................................................................................................................... 12
Radio Frequency (RF) Safety ....................................................................................................................................... 13
Interference with Pacemakers and Other Medical Devices ...................................................................................... 13
Chapter 3 – Installing and Using the Device ........................................................................................................... 15
Installing the Device .................................................................................................................................................... 15
Powering Down Your Device ...................................................................................................................................... 15
Installing a SIM Card ................................................................................................................................................... 15
Removing a SIM Card ................................................................................................................................................ 15
Mounting Device to Flat Surface................................................................................................................................. 15
Chapter 4 – Antenna and Activation Information................................................................................................... 17
Antenna System Cellular Devices................................................................................................................................ 17
Cellular and LTE Antenna ........................................................................................................................................... 17
Device Phone Number ................................................................................................................................................ 18
Adding APN value ....................................................................................................................................................... 18
Sprint Activation and OMA-DM Commands (LSP3) .................................................................................................... 18
Chapter 5 – Configuring and Communicating with Your Device.............................................................................. 19
Before Using the Device.............................................................................................................................................. 19
Using Command Mode and Online Data Mode.......................................................................................................... 19
Verifying Signal Strength............................................................................................................................................. 19
Example .................................................................................................................................................................... 20
Sending and Receiving Data ........................................................................................................................................ 21
Connecting Device to TCP Server as TCP Client ........................................................................................................ 21
MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide3
CONTENTS
Configuring Device as UDP Listener to Accept UDP Client Connections ................................................................. 22
Configuring Device as UDP Client to Connect to UDP Server ................................................................................... 23
Transferring FTP File to FTP Server ........................................................................................................................... 24
Downloading File from FTP Server............................................................................................................................ 25
Reading, Writing and Deleting Messages ................................................................................................................... 26
Sending Text Messages ............................................................................................................................................. 26
Reading Text Messages............................................................................................................................................. 27
Industry Canada Class B Notice................................................................................................................................... 29
47 CFR Part 15 Regulation Class B Devices ................................................................................................................. 29
Installing Connection Manager and Connecting a Device .......................................................................................... 33
Setting Up a Serial Device ........................................................................................................................................... 34
Serial COM port is not available in the Serial Modem Settings................................................................................ 36
Device is not detected ("No Device") ....................................................................................................................... 36
MultiConnect Cell USB Modem is not detected ....................................................................................................... 37
4MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide
PRODUCT OVERVIEW
Chapter 1 – Product Overview
About the MultiConnect MicroCell Modem
MultiConnect MicroCell 100 Series MTCM CAT 1 cellular modems are ready-to-deploy, standalone LTE UE Category
1 modems that provide wireless communication. The MTCM-LAT3 is a compact communications platform that
provides cellular capabilities for fixed and mobile applications. The device provides low-powered option specifically
designed for IOT applications that collect smaller amounts of data or with less frequency.
MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide5
PRODUCT OVERVIEW
Dimensions
6MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide
LED Descriptions
The top panel contains the following LEDs:
Power LED—The Power LED indicates that DC power is present.
Link LED—The Link LED indicated that it is registered on the network.
Signal LEDs—Three signal LEDs can display the signal strength level of the wireless connection.
LED Indicators
POWERIndicates presence of DC power when lit.
PRODUCT OVERVIEW
LINK
SIGNALThese LEDs display the strength of the cellular signal.
Off : No power to unit.
On: Continuously lit Powered on.
Slow blink (-0.2Hz): Registered on network.
Note: The three PROGAMMABLE SIGNAL LEDs can be controlled as follows:
GPIO2: Controls the LED with a single bar above it.
GPIO3: Controls the LED with two bars above it.
GPIO4: Controls the LED with three bars above it.
For more information on using GPIO to control the LEDs, refer to the AT Command Guide.
MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide7
PRODUCT OVERVIEW
MTCM-LAT3 Specifications
CategoryDescription
General
StandardsLTE 3GPP Release 9
HSPA+ 21/GPRS fallback
USB Interface is CDC-ACM compliant
TCP/IP FunctionsFTP, SMTP, SSL, TCP, UDP
Frequency Bands4G: 700 (B12/B13)/850 (B5)/AWS 1700 (B4)/1900 (B2)
3G: 850 (B5)/1900 (B2)
Speed
Data SpeedLTE: 10 Mbps downlink/5 Mbps uplink
HSPA+: 21 Mbps downlink/5.76 Mbps uplink
Interface
USB InterfaceUSB 2.0 high speed 480 Mbps
Physical Description
Weight0.4 oz. (10 g)
DimensionsRefer to mechanical drawing for dimensions.
Connectors
Antenna Connector2 SMA connector for cellular
SIM1.8V and 3V SIM holder for micro-SIM (3FF) card
Environment
Operating Temperature -40° C to +85° C
Storage Temperature-40° C to +85° C
Humidity20%-90% RH, non-condensing
Power Requirements
Operating VoltageUSB Model: 5 VDC
CategoryDescription
SMS
SMSPoint-to-Point messaging
Mobile-Terminated SMS
Mobile-Originated SMS
Certifications and Compliance
EMC ComplianceFCC Part 15 Class B
8MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide
CategoryDescription
Radio ComplianceFCC Part 22, 24, 27
Safety ComplianceUL 60950-1 2nd ED
cUL 60950-1 2nd ED
IEC 60950-1 2nd ED
Network CompliancePTCRB
CarrierAT&T
PRODUCT OVERVIEW
MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide9
PRODUCT OVERVIEW
MTCM-LSP3 Specifications
CategoryDescription
General
StandardsLTE 3GPP Release 9
HSPA+ 21/GPRS fallback
USB Interface is CDC-ACM compliant
TCP/IP FunctionsFTP, SMTP, SSL, TCP, UDP
Frequency Bands4G: 700 (B12/B26)/850 (B5)/AWS 1700 (B4)/1900 (B2)
3G: 850 (B5)/1900 (B2)
Speed
Data SpeedLTE: 10 Mbps downlink/5 Mbps uplink
HSPA+: 21 Mbps downlink/5.76 Mbps uplink
Interface
USB InterfaceUSB 2.0 high speed 480 Mbps
Physical Description
Weight0.4 oz. (10 g)
DimensionsRefer to mechanical drawing for dimensions.
Connectors
Antenna Connector2 SMA connector for cellular
SIM1.8V and 3V SIM holder for micro-SIM (3FF) card
Environment
Operating Temperature -40° C to +85° C
Storage Temperature-40° C to +85° C
Humidity20%-90% RH, non-condensing
Power Requirements
Operating VoltageUSB Model: 5 VDC
CategoryDescription
SMS
SMSPoint-to-Point messaging
Mobile-Terminated SMS
Mobile-Originated SMS
Certifications and Compliance
EMC ComplianceFCC Part 15 Class B
10MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide
CategoryDescription
Radio ComplianceFCC Part 22, 24, 27
Safety ComplianceUL 60950-1 2nd ED
cUL 60950-1 2nd ED
IEC 60950-1 2nd ED
Network CompliancePTCRB
CarrierSprint
PRODUCT OVERVIEW
MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide11
PRODUCT OVERVIEW
Power Measurements
Multi-Tech Systems, Inc. recommends incorporating a 10% buffer into your power source when determining
product load.
MTCM-LAT3 Power Draw
Radio protocolSleep mode
(mA)
Live idle
(mA)
No data
(mA)
Max power
1
(mA)
TX pulse
2
(mA)
Inrush charge
(mC)
5 Volts
WDCMAN/A63626256800.287
LTEN/A72694575240.287
Note:
1.Maximum Power: The continuous current during maximum data rate with the radio transmitter at
maximum power.
2.TX Pulse: The average peak current during a GSM850 transmission burst period or HSDPA/LTE
connection. The transmission burst duration for GSM850 can vary, depending on what
transmission scheme is being deployed (GPRS Class 8, Class 10, GSM, etc.).
3.Inrush Charge: The total inrush charge at power on.
MTCM-LSP3 Power Draw
3
Radio protocolSleep mode
(mA)
Live idle
(mA)
No data
(mA)
Max power
1
(mA)
TX pulse
2
(mA)
Inrush charge
3
(mC)
5 Volts
LTEN/A63866056680.133
Note:
1.Maximum Power: The continuous current during maximum data rate with the radio transmitter at
maximum power.
2.TX Pulse: The average peak current during a GSM850 transmission burst period or HSDPA/LTE
connection. The transmission burst duration for GSM850 can vary, depending on what
transmission scheme is being deployed (GPRS Class 8, Class 10, GSM, etc.).
3.Inrush Charge: The total inrush charge at power on.
12MultiConnect®MicroCell MTCM-LAT3 and -LSP3 User Guide
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