A7 GPRS GSM Module Adapter Board Plate Quad-band 850 900 1800 1900MHZ เป็นโมดูลที่สามารถทำงานในคลื่นความถี่ 850,900,1800 และ 1900MHZ ใช้ไฟเลี้ยง 3.3V - 4.2VDC ใช้  AT command ในการสื่อสาร รองรับ CALL และ SMS 

With super small size, low power consumption and wide working temperature range, the A7 is the ideal solution for M2M applications, suitable for automotive, industrial, and PDA, personal tracking, electricity environment detection, wireless POS, smart metering and other M2M applications, providing perfect GSM/GPRS SMS, data and voice services.

A7 half hole process, can be through standard implementation module of rapid production of SMT equipment, providing customers with high reliability of connection, especially suitable for automation, large-scale, low-cost way of modern production.

The company adopted the ISO9001 international quality management system, from research and development operations sales purchasing warehouse production quality after-sales service each link provides a basis for the traceability of management, to provide you with high quality low price good service products

Description :

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 for 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.

It supports two serial ports, a serial port to download an AT command port.

AT command supports the standard AT and TCP / IP command interface.

Supports digital audio and analog audio support for HR, FR, EFR, AMR speech coding.

Support ROHS, FCC, CE, CTA certification.

SMT 42PIN