Quad Band GSM/GPRS : 850 / 900 / 1800 / 1900 MHz
Configurable Baud Rate.
PCB Antenna and Provision for SMA (SubMiniature version A) connector.
Built-in SIM (Subscriber Identity Module) Card holder.
Built-in Network Status LED.
Inbuilt Powerful TCP / IP (Transfer Control Protocol / Internet Protocol) stack for internet data transfer through GPRS (General Packet Radio Service)
Audio Interface Connectors (Audio in and Audio out)
Most Status and controlling pins are available.
Normal Operation Temperature : -20 °C to +55 °C
Input Voltage : 5V to 12V DC
Jamming detection.
DTMF decoding