SIM908 is an integrated GPS navigation technology, quad-band GSM / GPRS module. The compact size and GPRS and GPS module integrated in the SMT package, the embedded GPS for customers to achieve significant savings in application development time and costs. Its industrial-grade standard interface and GPS function, GSM and GPS signal coverage areas whenever and wherever they can achieve seamless tracking of different assets.
SIM908 Main Features:
Quad-band 850/900/1800/1900MHz
GPRS multi-slot class 10 standard
GPRS mobile station class B standard
Meet the GSM phase 2/2 Standard
Class 4 (2 W @ 850/900 MHz)
Class 1 (1 W @ 1800/1900MHz)
AT command control (GSM 07.07, 07.05 and SIMCom enhanced AT command set)
SIM Application Toolkit
Support voltage range: GPRS: 3.2 ~ 4.8 V, GPS: 3.0 ~ 4.5V
Low power consumption
Size: 30 * 30 * 3.2mm
Weight: SIM908: 5.2g
Operating temperature: 40 ° C to 85 ° C
More Features:
SMS: Point-to-point MO and MT; SMS cell broadcast; Text and PDU mode
Voice: Three bitrate: Half rate (HR), Full Rate (FR), Enhanced Full Rate (EFR); Hands-free function: Supports echo suppression algorithm
GPRS data: GPRS class 8/10: maximum 85.6 kbps (downlink rate); Support PBCCH; Coding schemes CS 1, 2, 3, 4; PPP-stack
CSD data: CSD up to 14.4 kbps; USSD; Non-pass-through
Compatibility: AT cellular command interface
GPS: Receiver Type: To receive 42 channels, GPS L1 C / A code, High-performance STE engine
Sensitivity: Tracking: -160 dBm; Cold starts: -143 dBm; Time-To-First-Fix; Cold start: 30s (typ.); Hot start: 1s (typ.)
Accuracy: Accurate positioning: <2.5 m CEP; Power consumption (GSM idle mode); Capture 77mA; Tracking 76mA
Interface: SMT package 80pin; Support 3V/1.8V SIM card interface; 2-channel analog audio interface; SPI interface; Support RTC; Charging interface; A GSM / GPRS serial port and a debug interface; A GPS NMEA data output debug port; Two separate antenna connector (GSM / GPRS 1 GPS 1)
