
GERMAN ELECTRONIX
ZAGIL GSM/GPRS MODEM User Guide
© German ElectroniX
Erzgiessereistr. 39 b in 80335
Munich / Germany
Tel: +49-179-295-3496
Fax: +49-89-4209504159

Table of Contents
Package Content ....................................................................... 1
Features .................................................................................... 1
Specifications ............................................................................ 2
Installation ................................................................................. 3
Basic Operation ......................................................................... 4

GERMAN ELECTRONIX
Package content
1. ZAGIL GSM MODEM Terminal.
2. FS socket fixed with Flat cable 20cm.
3. Female connector for Supply.
4. Serial Cable.
5. User manual
Fea tures
Quad-band GSM
Desktop ABS case
Industrial standard design and quality guarantee
Side mounting
RS232 Serial interface
TTL Interface
Status LED Power/GSM/Call
Based on simcom340 module
AT commands
Compatible with Microchip circuits “TTL logic interface”.
1

GERMAN ELECTRONIX
Specifications
Frequency
bands
- Tri-band: EGSM 850, 900, DCS 1800, PCS 1900. The MODEM can search the 4
frequency bands automatically. The frequency bands also can be set by AT COMMAND.
- Compliant to GSM Phase 2/2+
GSM class Small MS
Transmit
power
GPRS
connectivity
- Class 4 (2W) at EGSM900
- Class 1 (1W) at DCS1800 and PCS 1900
- GPRS multi-slot class 10 (default)
- GPRS multi-slot class 8 (option)
- GPRS mobile station class B
DATA GPRS:
CSD:
- GPRS data downlink transfer: max. 85.6 kbps
- GPRS data uplink transfer: max. 42.8 kbps
- Coding scheme: CS-1, CS-2, CS-3 and CS-4
- supports the protocols PAP (Password Authentication Protocol) usually used for PPP
connections.
- Integrates the TCP/IP protocol.
- Support Packet Switched Broadcast Control Channel (PBCCH)
- CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent
- Unstructured Supplementary Services Data (USSD) support
SMS - MT, MO, CB, Text and PDU mode
- SMS storage: SIM card
- Support transmission of SMS alternatively over CSD or GPRS. User can choose
preferred mode.
FAX Group 3 Class 1
Phonebook
Support phonebook types: SM, FD, LD, RC, ON, MC.
management
SIM interface Support SIM card: 1.8V ,3V
External
Connected via 50 Ohm antenna connector or antenna pad
antenna
Serial interface Autobauding supports baud rate from 1200 bps to 115200bps.
TTL interface "low" when between 0 V and 0.8 V
"high" when between 2.2 V and 5 V
IDC socket 10 pin
Antenna
SMA female, GSM 50Ω antenna included
connector
LED indication
Green: power ON Red: GSM status Yellow: Incoming call
Power supply Single supply voltage 5VDC
Power saving Typical power consumption in SLEEP mode to 3.5mA ( BS-PA-MFRMS=5 )
Temperature
range
- Normal operation: -20°C to +55°C
- Restricted operation: -30°C to -20°C and +55°C to +80°C
Case type ABS desktop , wall mounting
Supply
Screw connector 2.5 mm
connector
Dimension
Weight
155mm*85mm*46mm
200g
2

Interfaces
1 Serial port RS232
1 TTL Voltage level Socket “FC10”
Power supply(DC 5V、500mA)
Antenna interface
Status lights, Green light indicate power status
SIM Card Holder
.
FIGURE 1 TTL FC10 socket,
Serial Port, Power supply socket
Installation
a) Open the SIM card holder,
insert in a valid SIM Card
provided by GSM network
operator or Service provider.
b) Install the GSM Modem to
your location and connect the
antenna to the SMA connector.
c) Fix the serial cable to the GSM modem, the supplied
cable will connect the unit to a PC. For other devices you
may need a crossover cable.
d) Connect the GSM Modem power supply interface
with the power adapter’s output jack, and then connect
the adapter to its power supply source.
Make sure that all connections are properly
3

TTL socket description
You supply the modem throw FC10 socket as it shown in figure 4 so no need to
supply it from 2.5 connector
Basic Operation
A. Module connection with Hyper Terminal.
1. Establish or Open Hyper Terminal from All Programs > Accessories>
Communications and setting up relevant parameters. Module baud rate is 115200.
(1). Establish connection.
4

(2). Setting up usage port.
(3). Setting up port parameters.
5

(4). Setting up property in File Menu of Hyper Terminal
6

2. You can input word “AT” then press “Enter” key, it should be response word “OK” means
work
Property. All commands are executed by pressing “Enter” key.
8