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Home >> BMW >> 2007 >> 335i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 278 (Communication Systems - Si Techniques - E60, E61, E63, E64, E87, E90) >> Basic fittings for mobile phone Business E60, E61, E63, E64, E87, E90 >> Brief description of components >> E60, E61, E63, E64, E87, E90: Compensator

E60, E61, E63, E64, E87, E90: Compensator

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The compensator is fitted in the aerial cable at the customer's express wish.

Retrofitting a compensator. 

The basic fittings for installing a compensator are no longer provided. This means that the compensator can only be retrofitted at considerable expense.

Construction 

Fig 1: Identifying Compensator Components
G00431712Courtesy of BMW OF NORTH AMERICA, INC.
COMPENSATOR COMPONENTS LEGEND

Key Explanation Key Explanation
1 Aerial output to base plate 2 Power supply and switch-on signal for compensator
3 Aerial input from telephone aerial and GPS antenna    

How it works 

The compensator equalizes losses in the aerial cables. The compensator ensures the full transmitting and receiving power of the mobile phone is available at the aerial. The use of the compensator increases the transmission output to the GSM antenna to a maximum of 2 watts. This increases the distance in the GSM mobile phone network.