描述 Description

SIM808 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.?
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特性 Features

General features

? Quad-band 850/900/1800/1900MHz

? GPRS multi-slot class 12/10

? GPRS mobile station class B

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

? Dimensions: 24*24*2.6mm

? Weight: 3.3g

? Control via AT commands (3GPP TS 27.007,27.005 and SIMCOM enhanced AT Commands)

? Supply voltage range 3.4 ~ 4.4V

? Low power consumption

? Operation temperature:-40℃ ~85℃

Specifications for GPRS Data

? GPRS class 12: max. 85.6 kbps (downlink/uplink)

? PBCCH support

? Coding schemes CS 1, 2, 3, 4

? PPP-stack

? USSD

Specifications for SMS via GSM/GPRS

? Point to point MO and MT

? SMS cell broadcast

? Text and PDU mode

Software features

? 0710 MUX protocol

? Embedded TCP/UDP protocol

? FTP/HTTP

? MMS

? POP3/SMTP

? DTMF

? Jamming Detection

? Audio Record

? SSL

? Bluetooth 3.0 (optional)

? TTS CN(optional)

? Embedded AT (optional)

Compatibility

? AT cellular command interface




Specification for GPS

? Receiver type
- 22 tracking /66 acquisition -channel
- GPS L1 C/A code

? Sensitivity
- Tracking: -165 dBm
- Cold starts : -148 dBm

? Time-To-First-Fix
- Cold starts: 32s (typ.)
- Hot starts: <1s
- Warm starts: 3s

? Accuracy
- Horizontal position : <2.5m CEP

Interfaces

? 68 SMT pads including

? Analog audio interface

? PCM interface(optional)

? SPI interface (optional)

? RTC backup

? Serial interface

? USB interface

? Interface to external SIM 3V/1.8V

? Keypad interface

? GPIO

? ADC

? GSM Antenna pad

? Bluetooth Antenna pad

? GPS Antenna pad

Certifications

? CE

? A-TICK