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SNOM D7 Expansion Module
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SNOM D7 Expansion Module

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An expansion module provides users who experience high call coverage with greater flexibility and increased productivity. The D7 expansion module enhances the 700 series by adding 18 programmable keys with LEDs to deliver features such as speed dial, busy lamp field and presence indication.

The high-resolution display provides an ideal visual interface. The D7 connects to the telephone via a USB cable, and up to three expansion modules can be daisy chained to add 54 function keys. The final D7 in the chain provides a USB port to connect other peripheral devices such as a USB headset. When more than one D7 is used with a telephone, additional external power is needed.

Quick summary

Supports all 700 series telephones with USB ports

High-resolution graphical display with backlight

18 freely programmable multicolor LED function keys

Dual-angle foot stand: 46° and 28°

Fully configurable via host phone

18 highly configurable self-labelling LED keys

High-resolution black & white display with backlight

Daisy chain up to 3 modules

Plug and play

Power supplied by phone via USB port for first D7 module


  • $137.00
  • SKU

General Information

  • Dimensions in millimeters (approx.):
    • 158 x 140 x 40 (LxWxD) w/o foot stand
    • 158 x 140 x 200/220 mm (LxWxD) with foot stand 
  • Weight (approx.): device 400g, footstand 120g
  • Input voltage: 5Vdc (SELV)
  • Power supply: USB or 5Vdc power adapter, 10 Watts
  • USB 2.0 cable with angled type A plug
  • USB 2.0 port, type A
  • Environmental conditions:
    • Ambient temperature: 0°C to 35°C (32°F to 95°F)
    • Non-operation: -10°C to 45°C (14°F to 113°F)
    • Humidity: 5% to 95% (non-condensing)
  • Included in delivery:
    • Base unit
    • Foot stand
    • Quick Start Guide
  • Color: White or black
  • Warranty: 3 Years
  • Part Number:
    • 00003924 (gray - all markets)
    • 00004011 (black - all markets)


  • Plug and Play
  • Completely configurable via host phone


  • High-resolution graphical display with backlight
  • 18 freely programmable multicolor LED function keys 
  • Dual-angle footstand: 46° and 28°
  • Daisy chainable
  • Fully configurable via host phone
  • Powered by host phone 

  • Color
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