Qolsys QS1331-840 IQ Fob-S, Wireless S-Line Encrypted Remote Alarm KeyfobProduct Overview The IQ Fob gives you keychain access to your system. Using our proprietary S Line encryption technology, encrypts signals sent to the IQ Panel while still providing backwards compatibility for legacy 319. 5 systems. The IQ Fob is disguised to look like a standard car remote and allows you to activate or deactivate your system within 100' of the IQ Panel, and has the hidden feature of being able to activate an intrusion or "police"