Best ge wireless gsm home security alarm system
GE Simon XT Sum4
$139.99
$205.79
Amazon.com
Last update was on: May 10, 2021 6:13 pm
- 40 wireless zones — two can be hardwired (normally-closed loop only)
- Built-in PSTN 2-way voice capability (over GSM with optional module)
- Supports both crystal and SAW LearnMode sensors
- Supports 2-way RF products (version-specific)
- 1 master access code and 8 programmable user access codes of 3 to 6 digits
