Yealink 12-Line Gigabit IP Phone - Unified Firmware Enhanced SIP Phone T43U, Part# SIP-T43U ~ Refurbished DS-2PT3326IZ-DE3 It has polyurethane disks do

It has polyurethane disks do not damage the inner walls of the duct for use in 5-Inch ducts

OUTPUT GEAR

The quality ICFOJ3M502 ICC JUMPER

3-16 Ohms input impedance

Yealink 12-Line Gigabit IP Phone - Unified Firmware Enhanced SIP Phone T43U, Part# SIP-T43U ~ Refurbished DS-2PT3326IZ-DE3 It has polyurethane disks doDual port Gigabit Ethernet 3. 7'' graphical LCD (power supply not included) Yealink T43U is an entry level desk phone for everyday use in the office. The phone has a classic design with 3. 7" display with 8 line keys and 4 soft keys for a familiar user interface. T43U features Optima HD audio quality via the hearing aid compatible handset and full duplex speakerphone with echo cancellation. For hands free communications, use one of the two USB ports