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<blockquote data-quote="Geoff S" data-source="post: 113178"><p>A car phone antenna is tuned for car phone frequencies (800/900/1800/1900MHz depending where you are and what bands it covers).&nbsp; You could use a scanner with it on higher UHF frequencies quite well, however performance would suffer on VHF.&nbsp; Still, it could be a step better than using a tuned rubber duck inside the car.&nbsp; CB is even further off frequency, being around 27MHz.&nbsp; The reception would be shoddy and if you transmitted into it your SWR would be very high and you could ruin your radio.&nbsp; If you replaced the whip with something tunable at the frequencies of interest you could probably use the rest of it.&nbsp; Also, the connector for car phones I believe was a TNC or Mini UHF connector which is different than that used by a scanner (typically BNC) or a CB (also BNC for handheld, SO-239/PL-259 for mobile) so you&#039;d need an adapter to use the connector that&#039;s already on the cable.</p></blockquote><p></p>

[QUOTE="Geoff S, post: 113178"] A car phone antenna is tuned for car phone frequencies (800/900/1800/1900MHz depending where you are and what bands it covers). You could use a scanner with it on higher UHF frequencies quite well, however performance would suffer on VHF. Still, it could be a step better than using a tuned rubber duck inside the car. CB is even further off frequency, being around 27MHz. The reception would be shoddy and if you transmitted into it your SWR would be very high and you could ruin your radio. If you replaced the whip with something tunable at the frequencies of interest you could probably use the rest of it. Also, the connector for car phones I believe was a TNC or Mini UHF connector which is different than that used by a scanner (typically BNC) or a CB (also BNC for handheld, SO-239/PL-259 for mobile) so you'd need an adapter to use the connector that's already on the cable. [/QUOTE]

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