CS-MIC-TABLE-J= The Cisco Table J Microphone with 4-Pin Mini Jack Connector is designed for Cisco video conferencing room systems. It provides omnidirectional coverage for small to large rooms with fixed tables. It can be recessed into the table or rested on a magnetic table plate to keep its 24.6′ long cable hidden away, so that your conference tables is tidy. The frequency range is 80 Hz to 20 kHz.