شیلد GPRS / GSM / GPS چهار باند A7 دارای ارتباط سریال - پشتیبانی از AT Command

The module is controlled by AT command via UART and supports 3.3V and 4.2V logical level.

Features:

    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
    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
    Support GPS and AGPS
    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

Specifications:

    Operating temperature -30 ℃ to + 80 ℃
    Operating Voltage 3.3V-4.2V
    Power voltage> 3.4V
    Sensitivity <-105
    Standby average current 3ma less
    1KG peak suction

Package list

    A7 GPRS+GSM+GPS Shield x1
    GSM antenna x1
    GPS antenna x 1