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L1-07C.08 – What Is Cellular Alarm Monitoring?

L1-07C.08 – What Is Cellular Alarm Monitoring? Cellular monitoring works by installing a “cellular chip” or “module” in to the Control Panel of the alarm system. The cellular signal is sent through the Data portion of a cellular signal, much like a text message, as...

L1-07C.07 – Coverage Map

L1-07C.07 – Coverage Map Go to the carriers site and check the coverage for your zip code and the type of network your cellphone transceiver  uses. Most marketing info will focus on the latest network – 5G for example and your transciever is probably on an older...

L1-07C.05 – GSM or CDMA

L1-07C.05 – GSM or CDMA The infrastructure that cellular companies use GSM=Global System for Mobiles CDMA=Code Division Multiple Access 7 of the 10 biggest cell carriers in the US use CDMA Europe is mostly...