Smallest GPRS DTU,UART to GSM/GPRS Module

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Price:	$11.80 $9.80
Availability:	In Stock
Model:	USR-GM3
Manufacturer:	USR IOT
Average Rating:	Not Rated

Buy it now $34.8 USD
include $25 shipping cost.

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Unique Features

1.Support Four frequency: 850/900/1800/1900Mhz

2.Support Httpd Client

3.Support GSM/GPRS and 2G/3G/4G card, but don't support 3G/4G network

4.Support Remote Configuration via SMS

GPRS Module Download

User Manual: USR-GM3

Evaluation Kit: USR-GM3-EVK

Client Support Center: submit your ticket at h.usriot.com If you have technical problems about the product.

GPRS Module Introduction

This is a serial uart to gprs module,used for data transparent transmission.USR-GM3 is highly-integrated UART to GSM/GPRS module.Users can easily make communication with it among serial device,cellphone and network device.USR-GM3 is an embedded GSM module. It is designed for embedded system, and it is so small and convenient that you can integrate it to your system easily.

GPRS Module Feature

Small and completed function GPRS DTU, transmission between serial and GPRS
Support GSM850/900,DCS1800/1900
Support GSM/GPRS and 2G/3G/4G card, but don't support 3G/4G network
Support 2 sockets, Support TCP and UDP
4KB cache for each of sockets, user can choose to cache data or not
Support register packet and heartbeat packet
Support setting parameters via SMS message
Support 3 work modes: SMS transmission mode, network transmission mode and HTTPD mode
Support basic and extend AT command sets
Support class RFC2217, can dynamically modify serial parameter of module via network
Support flow control: RTS/CTS
Support RS485

GPRS Module Parameter

Parameter	Value
Working Voltage	DC 3.4 ~ 4.2V, recommend: 3.8V
Working Current	Average: 55 ~ 90mA; Max: 750mA
Working Temperature	-25 ~ 85°C
Storage Temperature	-40 ~ 125°C
Storage Humidity	5 ~ 95% RH
Max Launch Power	GSM900 class4 (2W), DCS1800 class1 (1W)
Working Frequency	850/900/1800/1900MHz
Size	27.9 x 24 x 3 mm
Network Protocol	TCP, UDP, DNS, Http
Packing List	USR-GM3*1