GX2140 is a Battery-only Operated GSM SMS 4 input alarm device.
It has 4 inputs which allows you to monitor various sensors / switches / dry contact relays /
burglar and fire alarm panels. It will send SMS text messages and optionally call up to 3
numbers.

Usecases:

Simple alarm system for places with no external power usage
Rat-trap monitoring
Letter-box monitoring
Security call for public areas like parks, gardens
Caravans / yachts / boats / warehouses
Water Flooding / Water Loss / Tank Level Alarms
Transformer theft

GX1120-PNC is an External Powered GSM SMS Panic Alarm Device.
When the integrated panic-button is pressed; it instantly sends SMS text messages and
optionally calls up to 8 numbers.
It also has one more input to connect additional external panic buttons.

GX2140-PNC is a Battery Powered GSM SMS Panic Alarm Device.
When the integrated panic-button is pressed; it sends SMS text messages within 30-60
seconds and optionally calls up to 3 numbers.
It also has three more inputs to connect additional external panic buttons.

Usecases:

Emergency cases
Security call for public areas like parks, gardens
Elderly, disabled, bedridden people
Security dialer under the table
Emergency dialer for watchmen