Specifications 1.MODEM, RS232 MODEM, GSM MODEM

2.Support SMS and CSD

3.Standard AT command interface

4.EGSM900/GSM1800

5.SIM/UIM interface

                                        MODEM, RS232 MODEM,GSM MODEM, gprs modem

EF1003 GSM modems is based on 2G GSM network and adopts industrial wireless GSM module.It supports SMS and CSD function.EF1003 GSM modem is designed with industrial standard and has been widely used on finance,water supply,environment protection,electric power system,post and weather fields.
Wireless Specification	EGSM900/GSM1800
	Compliant to GSM phase 2/2+
	Support DTMF
	Support SMS and CSD function
	Standard AT command interface
Interface	RS232 serial port, rates: 110~230400bits/s
	Indicator lights: Power, ACT, Online
	Antenna ports: standard SMA female ports, 50 ohm
	SIM/UIM interface: standard user card interface
	Power interface: standard 3-PIN power jack
Power supply	Standard power supply: DC 12V/0.5A
	Power range: DC 5~35V
Wireless module	High-powered industrial GSM module
Size	91x58.5x22 mm
Weight	630 g
Working condition	Operation temperature:-25~+65ºC
	Storage temperature: -40~+85ºC
	Humidity: 95% (unfreezing)