Grandstream GXP2120 EXT Expansion Module Category_Best4Systems/3M Peltor An external Power Supply Unit

An external Power Supply Unit (PSU) is included with this product

Additional features: Program / Redial / Auto dial / Auto Answer

Helmet Mount version fits onto many industrial safety helmets without a need for an adapter

Alphanumeric 3 line LCD

Inline Control: Answer

Grandstream GXP2120 EXT Expansion Module Category_Best4Systems/3M Peltor An external Power Supply Unit56 Programmable Keys Dual Colour LEDs Powered by connected phone 2 x GXP2120 EXTcan be connected at one time Supports traditional call features including: BLF Conference Call transfer Forward Pick up Compatible with the following Grandstream IP phones: Grandstream GXP2020 Grandstream GXP2010 Grandstream GXP2110 Grandstream GXP2120