The following devices must be provided

1. A device transmitting a non-modulated continuous wave signal

2. A set of two devices with one transmitting at an increased interval, i.e. a packet every second and another device that receives the packets with an indication of successful packet receipt. Examples of this include visual, audible, or monitoring of a communications interface

3. A device with its normal transmit interval

4. If the device is intended to work with a companion device such as a button, the companion device should be provided with a method to trigger the device under test