Industrial Quad-band 3G WCDMA Modem GTM-203M-3GWA The GTM-203M-3GWA is an industrial Quad-band 3G and Quad-band GSM modem with RS-232 and USB interfaces that work at frequencies of WCDMA 850/900/1900/2100 MHz and GSM 850 MHz, EGSM 900 MHz, DCS 1800 MHz , PCS 1900 MHz. The modems utilize the 3G or GPRS network to transfer data. The features of the GTM-203M-3GWA allow a variety of PLC and PC applications to take advantage of SMS and 3G or GPRS connectivity. Support Quad-band WCDMA 850/900/1900/2100 MHz Support Quad-band GSM 850/900/1800/1900 MHz Designed for WCDMA/GPRS Data, SMS and Voice Applications Supports TCP Server, TCP Client, UDP Client Connection from 3G or GPRS Supports Standard AT Commands Includes a Digital Input Channel to reset the System LED Indicators for 3G/GSM and Power Indication High reliability in harsh environments The RS-232 Port supports 9600 to 115200 bps The USB supports USB2.0 high speed DIN-Rail mountable

Item 3G System Frequency Band GSM / GPRS System Frequency Band GPRS connectivity GPRS class 12; GPRS station class B GSM max. 9.6 kb/s UMTS max. 64 kb/s CS 1, CS 2, CS 3, CS 4 Comm. Interface COM ports COM Port Baud Rate USB 2.0 (high speed) Windows XP/Vista/7/8/Linux Power Protection Power reverse polarity protection Frame Ground Protection Required Supply Voltage Rated Current Reset Input Input Type On Voltage Level Input Impedance Mechanical Casing Environment Operation Temp. Storage Temp. Humidity Industrial Quad-band 3G WCDMA Modem (Include GTM-203M-A Accessory) (RoHS) 3 m External GPRS/GSM...