The main characteristics of * Group 3, *Dual frequency 900/1800MHz

* GPRS multi-slot class 10/8

* GPRS mobile station class B

*Meet GSM 2/2+ standard

4 - Class (2 W @900 MHz)

1 - Class (1 W @1800 MHz)

* the receiving sensitivity: < -110 dBm

* Size: 24*24*2.6 mm

* weight: 4G



* control through the AT command (GSM 7.07, 7.05 and HFY enhanced AT command set)

* SIM application toolkit

* supply voltage range: 3.3 -4.8V

* low power: < 1 mA (sleep mode)

* operating temperature range: -40 ° +85 ° C C to

* storage temperature range: -40 ° +85 ° C C to

Data transmission * GPRS class 10: a maximum of 85.6 Kbps (downlink)

* support for PBCCH

* Coding schemes CS 1, 2, 3, 4

* CSD up to 14.4 kbps

* USSD

* non transparent or transparent transmission

* PPP-stack

* TCP/UDP transmission

Short message point to point MO and MT *

* message broadcasting

* text and PDU model

Software features * embedded TCP/UDP protocol

* FTP/HTTP

* MMS (optional)

* Embedded AT

DTU function support * support various network parameters

* configurable heartbeat packet data format, transmission interval, maintain a connection with the server

* can be configured to log data package format, automatic and server to establish a network connection

* support for transparent data transmission

* support for remote configuration, remote execution of the AT command

Voice * Tricodec - half rate (HR)

- full rate (FR)

- enhanced full rate (EFR)

* support echo suppression algorithm

* AMR - half rate (HR)

- full rate (FR)

* support SIM interface card 3V / 1.8V interface

* analog audio interface

* support for RTC

* SPI interface

* serial interface

* the antenna welding disk

* I2C

* GPIO

* PWM

* 10 bit ADC

* T-CARD

* CAMERA

* AT cellular command interface compatibility

Open programming interfaces provide OPEN AT development kit according to the customer demand;

* support in the radius of TCP AT protocol, execute the AT command through TCP/IP network, direct configuration module parameters