L1-07D.03 – One-way Radio Communicators Digital Alarm Radio Transmitters (DART) communicate without receiving any acknowledgement from the Digital Alarm Radio Receiver (DARR) Multiple transmissions are communicated in attempt to ensure that at least one transmission...
L1-07D.02 – Radio Frequency The Federal Communication Commission (FCC) has set aside radio frequencies for use in alarm communications Frequency allocation may be viewed at: www.fcc.gov/oet/spectrum/table/fcctable.pdf The Federal Communication Commission (FCC) limits...
L1-07D.01 – Radio Communicators Unlike digital communicators, internet communicators, and cellular communicators, radio communicators do NOT need to involve a third party (phone or company) for service Radio systems are generally maintained by the alarm...
L1-07C.12 – Tips for Improved Signal Reception The higher the antenna the better. So, start in the drop ceiling above the unit and proceed up from there, to the roof if necessary Remember, the antenna should be as inconspicuous as possible for greatest visual security...
L1-07C.11 – Antenna Options Antenna problems are unlikely unless the premises are located in a fringe network coverage area, in a building below ground level, or in a metal...
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