Lynx Touch system. Cellular alarm communicators provide the most reliable, secure communication path available for your security system. The new generation of GSM Cell Radio for Lynx Touch are now compatible with 2G, 3G, and 4G networks. This product is worth the investment, as older 2G technology will eventually fade out. However, this device will work with 2G while it is still around. While it is also still compatible with 3G as well as 4G networks. Furthermore, this cellular communicator offers an affordable solution for the Honeywell Lynx Touch panels.