Features:
Quad-Band 850/ 900/ 1800/ 1900 MHz
GPRS multi-slot class 10/12
GPRS mobile station class B
Compliant to GSM phase 2/2+
Onboard Provision for Mic and Speaker.

Specifications:
Chip used: QUAD BAND SIM800C GSM CHIP.
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.
Indication LEDs
PWR Power Indication
STS Status Indication
NTW Network Indication
PINOUTS:
o2 RX
o3 TX
Provision for the headphone jack, mic, and speaker.