ماژول مبدل اینترنت GPRS به سریال TTL

Links:

User manual: http://en.usr.cn/download/USR-GPRS232-701-V1.6_en.pdf

Description:

GPRS DTU (Data Transfer unit) is a wireless terminal equipment which can converter serial data to  IP data or converter IP data to serial data, then transmit through wireless communication network. GPRS DTU is to use GPRS network to transmit data, it adopts industrial-grade embedded processor, embedded TCP/IP protocol stack. To provide users with virtual private networks, which is high speed, stable and reliable, data terminal online forever, and a variety of protocol conversion.

Notes:

Support four frequency: 850,900,1800,1900

Support Audio transmission by GPRS

Only support 2G and 2.5G, do not support 3G, CDMA, EDGE

 

Setup with Port fordwrding:

Features:

Support KEEP-Live,support configuration via SMS

Password authentification for SMS configuration.

Support network connection in Max 4 Channel,can be sent data from serial port to different servers.

Support TTL UART interface Easy to use, only configurate few parameters

Using single module embedded protocol stack, no external CPU, higher stability

Embedded TCP/IP protocol stack and GPRS technology

Support remote parameters settings, can change IP, port, ect. by SMS

Support GSM network, four frequency for global

Support public and APN network access

Can configure heartbeat pack data format, transmit interval, and keep connection with server. 

Can configure log pack data format and automatically establish network connection with server.

Support data length control, can set the length of single sending package and data pack waiting time.

Support ALWAYS ONLINE mode, and dropped reconnect.

Completely transparent transmission, can take place of data transfer radio, no changes needed on your original system

Use aluminum alloy case, shielding external disturbance effectively 

Demensions:

Working Voltage: 3.8-4.2V

Working current: 10-100mA, max 1200mA

Working temperature: -20~75Celsius

Storage temperature: -40~85Celsius

Storage humidity: 5%~95%RH

 

Application:

Application with Public Server:

Application with Router Transit:

Application with Server Transit:

More pictures:

 

Packing list:

USR-GPRS232-7S2 with antenna * 1