School Security to Local Law Enforcement Emergency Radio Link

The Goal

To establish a fixed, tactical, emergency radio link between school security, school administrators and local law enforcement, enhancing school safety

The Method

To establish this link, the following devices are needed:


ICRI-2P with School Security and Public Safety radios

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1. a small ICRI, such as the ICRI-2P

2. a low cost, school radio….this radio can be simplex

3. a law enforcement radio….this radio can be trunking

4. one power source for each device



The Setup

Once all of the required equipment is gathered, the radios are connected to the ICRI, via radio specific interface cables. The school radio is then tuned to a frequency that is designed for emergency calling by school personnel. Similarly, the law enforcement radio is tuned to a frequency that is monitored by the local law enforcement. The ICRI connects/”bridges” the two radio channels, even if one is simplex and the other is trunked.

The ICRI and the connected radios can be mounted in the ceiling of the school or another location, as long as both radios within range of the of their respective radio systems. All of the devices can be continuously powered by an external source, so that no maintenance is needed.

 How it Works

ICRI-2P functional diagram with School Administration and Law Enforcement radios

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When the school security or administrator needs to contact law enforcement, during an emergency, they simply tune their radio to the same frequency/channel as the school radio connected to the ICRI. The call that is received by the school radio will pass through the ICRI, and be re-transmitted by the law enforcement radio, to be heard by local law enforcement. Any response on the law enforcement radio channel, will be heard on the school’s emergency radio channel. 



We have successfully implemented this concept.


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