By the TellSystem GSM/GPRS modules, you can find icons concerning the features of the device. It helps to get to know about the abilities of the modules faster and more transparent. Here you can overview the meanings of the different icons:
The device is capable of perceiving GSM jammers.
The device can be programmed via bluetooth.
The module is capable of telephone line simulation.
The device has 3-year manufacturer warranty
The module can be programmed by voice menu with the push buttons of the telephone
The module can be installed easily without programming
Professional programming software for programming the GSM device with PC via USB or bluetooth
Android based application for programming the GSM modules wirelessly via bluetooth
The settings are saved to two memory stock in the module
16 000 events
The module can store 16 000 events simultaneously.