Grandstream Networks GBX20 caller ID display Grey - Grandstream
The GBX20 is a backlit LCD extension module supported by the GXV3350 and GRP2615. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GBX20 to support up to 40 contacts/extensions.). Connect up to 4 GBX20 modules to compatible Grandstream phones for a total of 160 contacts/extensions. Technical details Phonebook capacity: 40 entries Wall mountable: N Caller ID: Y Package weight: 700 g Weight & dimensions Depth: 33.5 mm Width: 124 mm Height: 210 mm Weight: 360 g Colour Product colour: Grey
