Quote:
Originally Posted by whoover
A big part of what the $1,500-$1,800 buys you is an amplifier (called a linear compensator) and a dual-band antenna switch. The only reason that the car has an antenna is for Teleaid and the dealer phone installation includes a device that switches the antenna to either Teleaid or the phone cradle, depending on which is in use.
Without this hardware you will still be relying on the phone's internal antenna, and that's probably the biggest source of your problem.
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Dual band linear compensators are available on e-Bay, periodically, for about $50-$75 (perhaps less). So are dual band antenna switches. Both are available from dealers as individual components (last time I checked, compensators were about $400 and antenna switches about $150 from my dealer). It is possible to wire direct from a cradle to the car's external antenna and bypass those components; however, signal strength will be significantly improved with a linear compensator; and an antenna switch is necessary if tele-aid is to be kept functional.
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Warren
2005 S500 4-Matic with
Gateway 500 iPod integration
1978 450SL restoration project
Formerly: 2000 S500 with
Ice>Link Plus iPod integration,
MikBox, and Upgraded voice control