Yealink YEA-EXP39 IP Phone Expansion Module

Yealink LCD expansion module
160x320 graphic LCD with 16-level gray scales
20 Physical keys each with a dual-color LED
20 Additional keys through page switch
Supports up to 6 modules daisy-chain The EXP39 module features a 160×320 graphic LCD and 20 physical keys which feature dual-colour LECs to enhance the ease with which functions are set and used.  A further 20 keys are available via a page switch feature.  In addition the ability to 'daisy chain' up to six modules via RJ11 line cord yields a total capacity of up to 240 programmable keys, each supporting all of More »