External GSM/GPRS antenna
GPS antenna
Indication:2 LED indicator for GSM/GPRS and GPS status
3.3 Technical specification
GSM/GPRS specification
Frequency
Bands
Simcom 300D:900/1800/1900Mhz
Simcom 340D:
850/900/1800/1900Mhz
GSM class
Small MS
Transmit
power
Class 4(2w) at EGSM900 and GSM850
Class 1(1W) at DCS1800 and PCS 1900
GPRS
connectivity
GPRS multi-slot class 10
GPRS mobile station class B
Data GPRS
Data up/downlink transfer:
Max.85.6/42.8kbps
Coding scheme:cs-1,cs-2,cs-3 and cs-4
Supports the protocols PAP and CHAP commonly
used for PPP connections
Data CSD
CSD transmission rates:2.4,4.8,9.6,14.4 kbps
SMS
SMS,MT,MO,CB,Text and PDU mode
Support transmission of SMS alternatively over
CSD or GPRS
User can choose preferred mode
TCP/IP stack
Internet
services:TCP,UDP,HTTP,FTP,SMTP,POP3
FAX
Group 3:Class 1,Class 2
SIM
Supported SIM card:3V
GPS module specification
Receive Frequency
1.57/-1.023Mhz
General
GPS datum
WGS-84
Acquisition Rate
Conventional mode
Cold/warm/hot start<
42/38/1 sec (95% typical)
Accuracy
Position:10 meters CEP without SA
Velcocity:0.1meters/s,without SA
Time: 1ms sync to GPS time
SIRF star III chipset
Channel
24 channel GPS