There are 3 products.
BENTEL - Transmitter GSM /...
Transmitter GSM/GPRS/SMS alarm central mixed BENTEL ABSOLUTA .
Allows you to use the alarm without telephone line..
Price
€266.76
BENTEL - Transmitter IP to...
Transmitter IP for alarm central, a mixed BENTEL ABSOLUTA .
Allows you to use the alarm with a smartphone app.
Price
€141.96