NGW-1set GSM Modem Serial RS232 RS485 to GPRS DTU with AT command

Description

GPRS232-730 GSM GPRS Module DTU (Data Transfer Unit) is a wireless terminal equipment which can convert serial data to IP data or convert IP data to serial data through gprs network. 730 is based on GM3. Clients can use this product to realize bidirectional transparent transmission from serial port to network through simple AT command. Point 1 1.Flow control: RTS/CTS 2.Restore factory defaults by hardware and software 3.Support 2 sockets at the same time, Support TCP and UDP 4. Support firmware upgrade via network Point 2 1.Heartbeat packet, ensure connection reliable 2.Register packet, check connection status and use as custom packet header 3.Query IP address through serial setting protocol Character Serial Port RS-232 / RS-485 Port Type RS-232: DB9 male port; RS-485: A/B/G; Baud Rate 2400 bps ~921.6K bps Data Bit 7/8 Stop Bit 1/2 Buffer Receive & Send: 4K bytes; Flow Control CTS/RTS Protect RS-485: ESD/lightning protection/ 2KV electric static protection Frequency Standards GSM/GPRS Frequency Band 850/900/1800/1900MHz Network Buffer Receive: 4K byte / Send: 4K byte Sokets 2 Network Protocol TCP/UDP/DNS/HTTP Power Supply DC 9-24 V (ESD/ Surge prevention) Work Temp -25~85C Software D2D/Setup/USR Cloud