Yealink EXP43 Color Expansion Module for Yealink T43U/T46U/T48U IP phones, Large 4.3-Inch Color-Screen LCD, Color Expansion Module, High Expansibility USB-C Cables Converters Adapters Card dimensions for PCIe slot：190

Card dimensions for PCIe slot：190 x 68

and a total of four pre-installed LED fans that get any build started right

Cpu Height : 90mm

which lets the phone support up to 127 DSS key entries

A USB headset or a WLAN stick can be used

Yealink EXP43 Color Expansion Module for Yealink T43U/T46U/T48U IP phones, Large 4.3-Inch Color-Screen LCD, Color Expansion Module, High Expansibility USB-C Cables Converters Adapters Card dimensions for PCIe slot：190The Yealink EXP43 Color Expansion Module is designed to expand the functional capability of your Yealink T43U T46U T48U IP phones by adding 60 multi functional line keys such as BLF, speed dial, 0 forward, transfer, 0 park, 0 pickup, and more. Features 4. 3' 272 x 480 pixel color screen Color icons for rich visual experience 20 physical keys on each page with dual color LEDs 3 independent control keys with illuminated LED for fast switching pages