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Grandstream LCD Extension Module features a sleek black and silver design with a touchscreen display, showing multiple contact names and programmable keys on either side.

Grandstream Networks GBX20 caller ID display Grey

by Grandstream Networks

£135.43from 2 retailers
GTIN06947273702931
EAN6947273702931
MPNGBX20
Prices updated 18 Jun 2026

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Product Description

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.

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