SIM808 GSM/GPRS/GPS 3G Shield
  • SIM808 GSM/GPRS/GPS 3G Shield
  • SIM808 GSM/GPRS/GPS 3G Shield

SIM808 GSM/GPRS/GPS 3G Shield

  • SKU: 23052
  • Shipping Weight: 105.1g
720:viewed
US$23.60  US$16.90
  (10000 Pieces available)
  • Description
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1、 Product parameters
 
1. Chip: SIM808
 
2. Power supply voltage: DC 5 ~ 26V
 
3. Operating frequency band: GSM850/EGSM900/DCS1800/PCS1900MHz
 
4. SIM interface: support 4G phone card of China Mobile or China Unicom or 2G IoT network card
 
5. Maximum transmit power:
 
Class 4(2W):GSM850、EGSM900 MHz
 
Class 1(1W):DCS1800、PCS1900MHz
 
6. Support GSM and GPRS communication
 
7. Support GPS and Bluetooth functions
 
8. Working temperature: - 40 ℃~+85 ℃
 
9. GPRS:
 
Maximum downlink transmission 85.6kbps
 
Maximum uplink transmission 85.6kbps
 
Coding format: CS-1, CS-2, CS-3, CS-4
 
Support the PAP (Password Authentication Protocol) protocol commonly used for PPP connection
 
Embedded TCP/IP protocol
 
Support packet broadcast control channel (PBCCH)
 
Support unstructured supplementary data service (USSD)
 
10. Serial port:
 
By default, it supports a standard full function serial port
 
AT commands and data can be sent through the serial port
 
Support RTS/CTS hardware flow control, and enable or disable flow control through software
 
Support serial port multiplexing function conforming to GSM07.10 protocol
 
Support the automatic baud rate detection function from 1200bps to 115200bps
 
11.1 USB interface, convenient for updating SIM808 firmware
 
 
Note:
1. When using a power supply below 9V, the current should be above 2A.
 
2. When using this module, please send the AT command in the serial port debugging tool to see whether the module can return to OK. If it cannot return to OK, please check the wiring. This step is used to check whether the data link is smooth, which is also the basis for normal use of other functions of the module.
 
3. When using the GPS function, it must be used in an open outdoor place, otherwise it may not receive satellite signals.
 
4. Try to use the mobile card during the test. In some regions, China Unicom has closed 2G service, so it may not be able to use the card normally.
 
5. USB interface is only used to upgrade firmware and cannot supply power.
 
 

 


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