Poly Blackwire 5200 Y Training Cable, Part# 85S08AA DoorBird IP Video Door Station D20x Series Replacement mounting kit 500ft 28 awg 4-conductor silver

500ft 28 awg 4-conductor silver satin modular cable reel

Adjustable pivoting speakers

and 143 Mbps for upstream

Easy installation with a set-screw connection for incoming up to 8 AWG audio cable on the rear side

Poly Blackwire 5200 Y Training Cable, Part# 85S08AA DoorBird IP Video Door Station D20x Series Replacement mounting kit 500ft 28 awg 4-conductor silverThe quality Poly 85S08AA Blackwire 5200 Y Training Cable can be connected inline of specific corded headset models for being able to connect a second headset for training monitoring purposes. Features: Y Training cable Y Splitter cable Allows 2 headsets to operate with one inline switch for training monitoring purposes Compatible with Blackwire 5200 series only 3. 5mm connection NEW IN THE BOX