- Chip: QuadBand SIM800C GSM CHIP.
- Supply voltage range: 4 to 4.4V
- Quad-band 850/900/1800/1900MHz
- GPRS multi-slot class 12/10
- GPRS mobile station class B
- Compliant to GSM phase 2/2+
-Â Class 4 (2 W @ 850/900MHz)
- Class 1 (1 W @ 1800/1900MHz)
 - (3GPP TS 27.007, 27.005 and SIMCom enhanced AT Commands)
- Configurable baud rate.
- SMA connector with GSM L Type Antenna.
- Built-in SIM Cardholder on Top Side.
- Arduino compatibility: Arduino UNO R3, Arduino Mega etc.
- Antenna type: Finger antenna.
- Output: TTL and RS232 serial output.
- Simcard holder: standard size.
- Buzzer for CALL and SMS indication
- Built-in Network, Status leds.
- Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
- Normal operation temperature: -20 °C to +55 °C.
- On-Board Buzzer for Ring Indication.
- On-Board provision for Speaker and Mic.
- Low power consumption
- Dimensions: 17.6*15.7*2.3mm
- Weight: 1.3g