|
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. |
| General features |
| Quad-Bａnd 850/900/MHz |
| GPRS multi-slot class 10 |
| GPRS mobile station class B |
| Compliant to GSM phase 2/2+ |
| - Class 4 (2 W @ 850/900 MHz) |
| - Class 1 (1 W @ 1800/1900MHz) |
| Control via AT commands (GSM 07.07 ,07.05 |
| ａnd SIMCom enhanced AT Commands) |
| SIM application toolkit |
| Supply voltage range: |
| -GPRS: 3.2 ~ 4.8 V |
| -GPS: 3.0 ~ 4.5V |
| Low power consumption |
| Dimensions: 30*30*3.2mm |
| Weight: |
| - SIM908:5.2g |
| - SIM908-C:11.1g |
| Operation temperature: |
| -40 °C to +85 °C |
| Specifications for SMS via GSM / GPRS |
| Point-to-point MO/MT |
| SMS cell broadcast |
| Text and PDU mode |
| Specifications for audio |
| Tricodec |
| - Half rate (HR) |
| - Full rate (FR) |
| - Enhanced Full rate (EFR) |
| Hands-free operation |
| Echo cancellation |
| Specifications for data transfer |
| GPRS class 8/10: max. 85.6 kbps (downlink) |
| PBCCH support |
| Coding schemes CS 1, 2, 3, 4 |
| CSD up to 14.4 kbps |
| USSD |
| Non transparent mode |
| PPP-stack |
| Integrated TCP/IP stack |
| Specification for GPS |
| Receiver type |
| - 42-channel |
| - GPS L1 C/A code, |
| - High-performance STE engine |
| Sensitivity |
| - Tracking: |
| - Cold starts : |
| Time-To-First-Fix |
| - Cold starts: |
| - Hot starts: |
| -160 dBm |
| -143 dBm |
| 30s (typ.) |
| 1s (typ.) |
| Accuracy |
| -Horizontal position : <2.5m CEP |
| Power consumption (GSM engine in idle |
| mode) |
| - Acquisition |
| 77mA |
| - Tracking |
| 76mA |
| Interfaces |
| 80-pad with SMT type |
| Interface to external SIM 3V/ 1.8V |
| Dual analog audio interfaces |
| SPI interface |
| RTC backup |
| Charge interface |
| A serial interface and a debug interface for |
| GSM/GPRS |
| Debug interface for GPS NMEA |
| information output |
| Two separate antenna connectors for |
| GSM/GPRS&GPS |
| Certifications |
| CE |
| ROHS |
