 | Model Numbers:- GSM1308
Characteristics
Dimensions (L x W x H):- 63.5 x 63.5 x 23.9 mm
Weight:- 80 g
Housing:- Plastic
Antenna:- Antenna SMA connector
Voice Jack:- N/A
Radio Performance
Frequency (MHz):- 850/900/1800/1900
Sensitivity:– 106 dB (typical)
Transmit power:- Class 4 (2W@850/900 MHz); Class 1 (1W@1800/1900 MHz)
Packet data
Mode:- Class B, Multislot 10
Protocol:- GSM/GPRS Release 97,AMR Release 99
Coding schemes:- CS1-CS4
Packet channel:- PBCCH/PCCCH
GSM functionality
Voice:- FR, EFR, HR & AMR
CS data:- Asynchronous; Transparent and Non-Transparent up to 14.4 kb
GSM SMS:- Text, PDU, MO/MT, Cell Broadcast
Software
Host Protocols:- AT commands, UDP API, CMUX, PPP
Internal Protocols:- PPP, UDP API, TCP API, UDP PAD, TCP PAD
API Control/Status:- AT commnads, UDP API, TCP API, AT commands over SMS
Interfaces
Physical interface:- RS-232C
Peripheral interface:- 8-pin I/O: Mic in, headset out, audio return, ground, input power, 2 user-defined I/O, and 1 dedicate output
SIM access:-
External 1.8/3V with locking mechanism
Environment
Operating:- –30oC to +70oC
Storage:- –40oC to +85oC
Humidity:- Up to 95% non-condensing
Power
DC voltage:- 6-40 V
GSM operating power (typical):- SA-G+ @ 9 V
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