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Ttl Gprs Gsm Module - China

price: 19.80 Dollar US$

  The Low Cost Gsm Modules, used for data transparent transmission. USR-GPRS232-7S3 is highly-integrated UART to GSM/GPRS module. Users can easily make communication with it among serial device, cellphone and network device. USR-GPRS232-7S3 is based on USR-GM3 gprs module. Clients can use the product to realize bidirectional transparent transmission from serial port to network through simple AT command.

  -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 multi 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


Company Contact:


  • Phone: 86-531-88836739

  • Address: Floor 11,Building 1,No.1166 Xinluo Street,Gaoxin Distric, Jinan, Shandong, China

  • Email: Email


Published date: August 18, 2016 -

  • Business Description: Jinan USR IOT Technology Limited has been focusing on IOT and M2M field for more than 6 years. We offer networking products such as serial device server,Ethernet to serial, GPRS DTU and embedded WIFI module.We have professional R&D teams for hardware and software, phone APP and server. And we can provide OEM & ODM service for clients.

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