embsys GSM Modem Quectel 95 - Product Features
- Wide Range of Input Supply 5v-24v DC
- Protocols support: PPP/TCP/UDP/FTP/HTTP/SMTP/MUX
- Interface: Both RS232 output and UART TTL 3.3v Output
4G GSM Modem EC200 - Product Features
- 5-12v DC power input
- Push Push SIM card Holder
- RS232 interface
- Antenna Included
RS232 RS485 GPRS Modem USR-GPRS232-730 - Product Features
- Support GSM GPRS 850/900,DCS1800/1900
- Support remote configuration via SMS
- SMS transmission mode,network transmission mode and HTTPD mode
- Support register packet and heartbeat packet
- Support class RFC2217, can dynamically modify serial parameter of module via network