BAIYI Wireless Industrial RS232 GSM/GPRS+GPS modem

Specifications

Quad-band GSM/GPRS+GPS modem
RS232 interface for GSM/GPRS
RS232 interface for GPS(SiRF output)
RS232 interface for GPS(NMEA o

Quad-band Wireless Industrial  GSM/GPRS+GPS modem

GSM/GPRS specifications:

850/900/1800/1900MHz

GPRS class 10

GPRS mobile station class B

Compliant to GSM phase 2/2+

Control via AT commands (GSM 07.07 and 07.05 and SIMCOM enhanced AT commands)

 

Specification for SMS via GSM and GPRS:

Point to point MO and MT

SMS cell broadcast

Text and PDU mode

 

Specifications for audio

Tricodec: HR, FR, EFR

Hands-free operation

Echo suppression

 

Specifications for data transfer

GPRS class 10

Max. 85.6kbps(downlink)

PBCCH support

Coding schemes CS1,2, 3, 4

CSD up to 14.4kbps

USSD

Non transparent mode

PPP stack

Integrated TCP/IP stack

 

Specifications for GPS:

Receiver 20 channels, L1 1575.42 MHz, C/A code 1,023MHz chip rate

Accuracy Position 10 m CEP,

    without SA/Velocity 0.1m/s,

    without SA/Time 1μs synchronized to GPS time

DGPS accuracy 1 to 5m, typical, 0.05m/s, typical

Date WGS-84

Acquisition rate

    (TTFF defined at 95% of first position local station)

    Hot start < 1s, average, open sky

    Warm start < 38s, average, open sky