Product: GPRS/GPS/GSM A7 Module SMS Voice Development Minimum System Board for STM32 51

Description:
- A7 GPRS/GPS Module
- Dimensions: 22.8 × 19.8 × 2.5mm
- Operating temperature: -30 ℃ to +80 ℃
- Operating Voltage: 3.3V-4.2V
- Power voltage: > 3.4V
- Standby average current: 3ma less
- Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ
- Support China Mobile and China Unicom's 2G GSM network worldwide
- GPRS Class 10
- Sensitivity: <-105
- Support voice calls
- Support SMS text messaging
- Support GPRS data traffic, the maximum data rate, download 85.6Kbps, upload 42.8Kbps
- Supports standard GSM07.07,07.05 AT commands and extended commands Ai-Thinker
- Supports two serial ports, a serial port to download an AT command port
- AT command supports the standard AT and TCP / IP command interface
- Support digital audio and analog audio support for HR, FR, EFR, AMR speech coding
- Support ROHS, FCC, CE, CTA certification
- SMT 42PIN

Package included:
1* GPRS GPS GSM A7 Module SMS Voice Development Minimum System Board for STM32 51

Refund:
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