Grandstream GXP2200EXT EXPANSION SIDECAR

The Grandstream GXP2200EXT is an expansion module for the GXP2200 and GXP2140 phones, which feature a 128×384 graphics LCD, 20 quick-dial or BLF keys with dual-color LED, 2 navigation keys, and less than 1.2W power consumption per unit.
Features:
– 128×384 graphics LCD
– 20 quick-dial keys
– BLF keys with dual-color LED
– 2 navigation keys
– up to 4 GXP2200EXT per phone