FeaturesThe Avaya B100 Expansion Microphones increase the range of your Avaya B100 series conference phone from 30 square meters to up to 70 square meters (750 sq. feet).Used for greater microphone coverage on larger conference tables or when number of participants is greater than 10Increases the range of your Avaya B100 series conference phone from 30 square meters to up to 70 square meters (750 sq. feet)CompatibilityCompatible with Avaya B149, B159, B169, B179, and B189 conference phonesIncludes UnopenedLibrary
