SIM908 Datasheet – Quad-Band GSM/GPRS Module – Simcom

Part Number: SIM908

Function: Quad-Band GSM/GPRS Module

Dimensions : 30 x 30 x 3.2 mm, Weight: 5.2 g

Manufacturer: Shanghai SIMCom Wireless Solutions

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The SIM908 module is a complete Quad-Band GSM/GPRS module which combines GPS technology for satellite navigation. The compact design which integrated GPRS and GPS in a SMT package will significantly save both time and costs for customers to develop GPS enabled applications.

Featuring an industry-standard interface and GPS function, it allows variable assets to be tracked seamlessly at any location and anytime with signal coverage




1. Quad-Band 850/900/1800/1900 MHz

2. GPRS multi-slot class 10

3. GPRS mobile station class B

4. Compliant to GSM phase 2/2+
(1) Class 4 (2 W @850/900 MHz)
(2) Class 1 (1 W @ 1800/1900MHz)

5. Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)

Specifications for data transfer:

1. GPRS Class 8/10: max 85.6 kbps downlink

2. PBCCH support

3. Coding Schemes CS 1, 2, 3, 4

4. CSD up to 14.4 kbps


6. Non Transparent Mode

7. PPP-stack

8. Integrated TCP/IP stack

Official Homepage:

Reference Site:


SIM908 Datasheet PDF

SIM908 pdf

Schematics: schematics.pdf

Application-note: application-note.pdf


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