ORICOM KESP-300-1 kesp300 EARPIECE MICROPHONE SUIT PMR1200 PMR1280 UHF2180
sold as a pair. As per picture
Oricom kesp-300-0 earpice microphones to suit uhf hh radios as follows.
oricom pmr1200 pmr1280 UHF2180 TRADIE PACK
Also suits
motorola t5509r
motorola t5539r
motorola sx709r