2016年3月29日星期二

GSM/GPRS Modem - Sim808 Modem Email: Sales@tf-elec.com Skype: tf-elec.com

GSM/GPRS Modem - Sim808 Modem     

Email: Sales@tf-elec.com  

Skype: tf-elec.com






Description:


The GPS receiver is incredibly sensitive with 22 tracking and 66 acquisition channels, and also supports assisted-GPS (A-GPS) for indoor localisation. The module is controlled by AT command via UART and supports 3.3V logical level. It comes with a mini GPS and GSM antenna.
Specifications:
  • Quad-band 850/900/1800/1900MHz - connect onto any global GSM network with any 2G SIM
  • Fully-integrated GPS (MT3336 chipset with -165 dBm tracking sensitivity) that can be controlled and query over the same serial port
  • Make and receive voice calls using a headset or an external 32Ω speaker + electret microphone
  • Send and receive SMS messages
  • Send and receive GPRS data (TCP/IP, HTTP, etc.)
  • PWM/Buzzer vibrational motor control
  • AT command interface with "auto baud" detection
GPS specifications:
  • 22 tracking /66 acquisition channels
  • GPS L1 C/A code
  • Sensitivity
  • Tracking: -165 dBm
  • Cold starts : -147 dBm
  • Time-To-First-Fix
  • Cold starts: 30s (typ.)
  • Hot starts: 1s (typ.)
  • Warm starts: 28s (typ.)
  • Accuracy: Approx 2.5 meters

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