Grandstream GXP2200 Extension Module 20 key Expansion Module LCD Screen spirax with a marker ribbon

with a marker ribbon

and a variety of soft and hard surfaces

SKU: DS03172

Adjustable thermostat

Grandstream GXP2200 Extension Module 20 key Expansion Module LCD Screen spirax with a marker ribbonDescriptionSpecificationsShipping The GXP2200EXT extension module is supported by the GXP2140, GXP2170 and GXV3240. 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.) and features a large backlit LCD screen for easy viewing. Connect up to 4 GXP2200EXT modules to compatible Grandstream phones for a total of 160 contacts extensions. This expansion