Universal Handy Interface

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Universal Handy Interface (UHI) is a Motorola designed universal interface for mobile phone use (Motorola, Nokia, Siemens AG, Sony Ericsson, Samsung) in Mercedes-Benz cars.

The mobile phone is placed in a cradle connected to a telephone network unit and operated using the multi-functional steering wheel controls. It is controlled by a Motorola operating system called COMAND which also allows SMS messages to be read and edited on the existing dashboard display.[1] There are a large number of different cradles now available for various phones[2]

The hands-free capability uses the car's on-board audio system and a microphone located underneath the interior roof light[3].

(Multi-Handset Interface (MHI) is the US sales name for UHI.

[edit] References

  1. ^ Mobile-review.com CeBIT 2003. Products from Motorola for both pedestrians and drivers-users
  2. ^ Mercedes UHI and MHI Phone Cradles
  3. ^ http://www.whnet.com/4x4/radio/uhi_harness.gif