Difference between Qolsys S-Line Sensors and Power G
Qolsys S-Line – S-Line Sensors utilize an advanced encryption scheme between the sensor and the IQ Panel 2 to ensure that sensor event transmissions are always unique, preventing and eliminating common replay attacks. At time of pairing, S-Line technology passes a unique key which enables the encryption algorithm for unique event transmissions. S-Line sensors are backwards compatible with Legacy 319.5MHz systems (though without the encryption)
Power G – Power G sensors operate at 900 MHz frequency and use 128-bit AES encryption. They also offer Multichannel, Frequency Hopping Spread Spectrum technology enables the system to hop between wireless frequency channels to ensure the seamless transmission of secure communications between the devices and the control panel. Sensors feature High transmission ranges about 1.24 miles line-of-sight reducing the need for additional repeaters to service larger premises.
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