Snom 3xx Expansion Keypad V2
Snom Expansion module V2 for snom 320, 360 and 370. Includes 42 Programmable keys with LEDS.
The new version V2 is capable to cascade up to 3 (three) modules to your phone providing up to 126 additional keys + LEDs.
Note: You do not need an additional power-supply for your Expansion modules.