Stand-alone wireless PA/Intercom solution (does not include companion 2-way radio). Position 1 or more individual LM receivers and PA speakers where needed. Allows authorized 2-way radios to access LM receivers to make PA announcements. LM receiver requires external power for operation. Compatible with other brand 2-way radios, using the same technology (either Analog or DMR digital) and operating in VHF or UHF frequency band.