• Designed for global market, SIM300 is a Dual-band GSM/GPRS engine • Works on frequencies EGSM 900 MHz, DCS 1800 MHz • SIM300 features GPRS multi-slot class 10/ class 8 (optional) and supports the GPRS coding schemes
• This GSM modem is a highly flexible plug and play dual band GSM modem • Supports features like Voice, Data/Fax, SMS,GPRS and integrated TCP/IP stack. • Control via AT commands(GSM 07.07,07.05 and enhanced AT commands) • Use DC Power 3.6 - 4.6 Volts Maximum • Current Consumption in normal operation 250mA, can rise up to 1Amp while transmission.
• TTL Tx,Rx , VCC , GND • Serial port baud rate adjustable 1200 to115200 bps (9600 default) • BRK connector for MIC & SPK, SIM card holder • LED status of GSM / GPRS module
GSM Modem With TTL Antenna Single stand Wire Antenna