Features : 

SIM808 GSM :

1. Supports Quad-band 850/900/1800/1900MHz, compatible with all 2G networks all around the world.
2. Inner MT3337 GPS receiver, -165dBm precision, control on a same serial port.
3. Earphone/ microphone outputs on a card or external 32-ohm speaker + supports voice calls with an electret microphone.
4. Sending and receiving SMS.
5. Sending and receiving GPRS data (TCP/IP, HTTP vb).
6. UART communication with automatic baud rate settings.
7. GPRS multi-slot class 12/10
8. GPRS mobile station class B
9. Comply with GSM phase 2/2 +
   1. Class 4 (2 W @ 850 / 900MHz)
   2. Class 1 (1 W @ 1800 / 1900MHz)
10. Support low power consumption mode: 100mA @ 7V-GSM mode
11. Support AT command control (3GPP TS 27.007,27.005 and SIMCOM enhanced AT Commands)
12. Supports GPS satellite navigation technology
13. Support LED status indicator: Power supply status, network status, and operating modes
14. Working environment: -40 ℃ ~ 85 ℃

SIM808 GPS :

1. 22 tracking/66 acquisition channel
2. GPS L1 C/A code
3. Precision: Tracking: -165dBm,
4. Cold start: -148dBm
5. Finding Location Time(typical): Cold start: 32sn, Hot start: 1sn, Warm start: 5sn
6. Accuracy: ~2.5m

Package Includes :

1 x SIM808 Bluetooth Compatible GSM/GPRS/GPS Module.

1 x GPS antenna with SMA male connector.

1x IPX GSM antenna with SMA male connector.

1. 22 tracking/66 acquisition channel.
2. GPS L1 C/A code.
3. Precision: Tracking: -165dBm.
4. Cold start: -148dBm.
5. Supports Quad-band 850/900/1800/1900MHz.
6. Accuracy: ~2.5m.
7. GPRS multi-slot class 12/10.