GRANDSTREAM IP PHONE KEY MODULE GXP2200EXT

The GXP2200EXT is a backlit LCD extension module supported by the GXP2140, GXV3240 and GXP2200. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GXP2200EXT to support up to 40 contacts/extensions.). Connect up to 4 GXP2200EXT modules to compatible Grandstream phones for a total of 160 contacts/extensions.

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