Yealink T40 Wall Mount Bracket (T40WMB) 

Wall mount bracket for EXP40 (Expansion Module) for use with T46x / T48x series. Note: Also requires SKU #YKT46WMB for T46x series or SKU #YKT48WMB for T48x series. 

This wall mount is for the EXPANSION MODUEL (EXP40) this wall mount will NOT work with the T46x/T48x phones by themselves (only when used in conjunction with with EXP40 expansion module), this wall mount is designed for the EXP40 WALL MOUNT. If you do not own the EXP40 expansion module you should not buy this wall mount bracket as it will not work for you.