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RFI chances from mobile to scanner

W

Wilrobnson

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Looking for opinions.

Radio shop installed a mobile in my Tahoe, right in the exact spot (of course) I was placing my scanners (Usually a TRX-1). If I lay it in proximity to the mobile, what do y'all think about chances of blowing out the RF amp in the scanner? I don't like leaving the scanner out from cover for sun exposure, even though the windows are about 15% tint.
FWIW the antenna for the mobile is a little 7/800 pepper shaker hidden in the rear quarter panel.
Picture5.jpg
 
H

hill

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You will be OK. I have scanners and radios used on 2 meters/70 CM and GMRS right next to each other in the car.

Being mobile the antennas only about 4 foot separation and that is enough.
 
N9JIG

N9JIG

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I have had several RF sections of mobile scanners damaged by nearby two-way radios, as has my buddy Will, in vehicles. I have since added RF Limiters, like the Stridsberg LIM-01WB (Bias-Tee). These help to prevent strong RF from damaging receivers when the antennas are close. There are also other cheaper alternatives like the HP 5086 series (Look to eBay for these).

I also use a similar device to protect my homebuilt multicoupler at home from my 2M/440, GMRS and HF rigs.

This damage can occur even if the scanner is off.
 
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