Polycom RealPresence Trio 8800 Expansion Microphones for the Polycom RealPresence Trio 8800 Conference phone. Providing extended microphone coverage of your trio 8800 up to 20 ft. Simply plug and play operation the additional expansion microphones for the Polycom RealPresence trio 8800 plug directly into the main unit enhancing the number of people you can conference
Expands the microphone pick up range to + 20 feet Simple Plug and Play operation