Secure SMS modem
SMS modem front view
GSM modem front
- RS232 on D-SUB9
- Three status LED
SMS modem back view
GSM modem back
SMS modem general
- Temperature range: -25 to 70 degree Celsius
- Enclosure: 57 x 87 x 27 (mm), aluminium
- EN 55011 class A, EN 61000-6-1, IP20
- Quadband GSM / GPRS 850/900/1800/1900 GPRS class 10
- Embedded TCP/IP, UDP/IP, FTP, SMTP
- SMS, data, fax, DTMF
- Several types of hardware watchdog
SMS modem unique features
- Reboot each 4 to 24 hours (by jumper)
- Watch dog of the Python code by external micro controller ( by jumper)
- Reboot of the GSM modem by command on RS232 ( by jumper)
- Emergency battery inside (hardware option)
- Secured against vibration by snap in connectors
- Ready to use Python programs for different tasks
- Free of charge tools to write and upload own Python programs
- Local technical trainings for coding in Python (on request)
SMS modem functions examples
- SMS by AT command on RS232
- SMS by ASCII string on RS232
- SMS by changing input channel (high active, low active, toggle)
- SMS by timer event and transmitting of status
- Trigger of relay by incoming SMS (for gate opener)
- Tons of other DTMF, voice call or GPRS triggered functions
If you have interest in this SMS modem, then just drop an email to harald.naumann (at) gsm-modem.de or use the form to get further details.