GPRS + GSM Module A6 SMS Voice Decelopment Board Wireless Data Transmission Test Board

GPRS + GSM Module A6 SMS Voice Decelopment Board Wireless Data Transmission Test Board

Specifications:
- Size 22.8 * 16.8 * 2.5mm;
- Working temperature -30  to+80 DEG C ;
- Operating voltage 3.3V-4.2V;
- Boot voltage >3.4V;
- Standby average current< 3mA;
- Supports four GSM/GPRS bands, including 850,900,1800,1900MHZ;
- GPRS Class 10;
- Sensitivity <-105;
- Support voice calls;
- Supports SMS sms;
- Support GPRS data services, the maximum data rate, Download 85.6Kbps, upload 42.8Kbps;
- Supports standard GSM07.07,07.05 AT commands and Ai Thinker extension commands;
- Supports 2 serial ports, a download serial port, a AT command port;
- AT command supports standard AT and TCP/IP command interface;
- Supports digital audio and analog audio, support HR, FR, EFR, AMR voice coding;
- Supports ROHS, FCC, CE, CTA authentication;
- SMT 42PIN  

Features:
- Four frequency:  900/ 1800/ 850/ 1900 MHz
- GPRS multi time slot: 12, 1~12 can be configured
- GPRS mobile station:  Class B
- Compatible with Phase 2/2+ GSM
  Class 4 (2W @ 850/ 900 MHz)
  Class 1 (1W @ 1800/1900MHz)
- Power supply voltage: 3.3~4.2V typical value 4.0V
- Consumption flow: 1.3mA @ DRX=5; 1.2mA @ DRX=9
- Working temperature: -30 to +80 degrees C
- Size: 22.8 * 16.8 * 2.5mm
- Weight: About 3.0g
- AT command control: Standard GSM07.07,07.05 AT command and Ai-Thinker extension command

Data transmission:
- Class GPRS 10: Max 85.6 Kbps (up) &42.8Kbps (down)
- Support PBCCH
- coding scheme: CS 1, 2, 3, 4
- Support CSD: Max 14.4 kbps
- Support USSD
- Protocol stack: PPP/ TCP/ HTTP/ FTP/ SMTP/ UDP/ MUX

Short message
- Point-to-point messaging
- Cellular broadcast message
- Text /PDU mode

Voice
- Speech coding mode
- Rate Half (HR)
- Rate Full (FR)
- Full Rate Enhanced (EFR)

AMR
- Audio processing mechanism
- Echo cancellation
- Echo suppression
- Noise suppression

Interface
- USIM SIM/ card:  3V/1.8V
- UART: 2
- Analog audio interface: 2 CH(built-in 1 AB class audio amplifier)
- RTC

Certificate: FCC/ RoHS/ CTA CE/

Package Contents:
- 1 x A6 board + camera