![]() They actually have good receivers in them and will often outperform today's digital models but be warned that they are only double conversion so they will be more prone to intermod from other nearby transmitters if you live in an urban area with lots of RF activity. Then you could attach an external antenna to it. ![]() Radioshack sells adapters that will plug into those old scanners and convert it to BNC or SO-239 (UHF). You will need an adapter that radioshack sells as they used to old Motorola car radio type jack for the antenna input. Mine are all hooked to an outdoor antenna but I use Stridsberg multicoupler to tie the all together. You won't really improve them any by swapping the antenna with something else unless you go external and mount an antenna outdoors. I mainly use them for monitoring our local fire and county PD as well as the states low band system. ![]() They all have great sounding audio compared to today's scanners. ![]() I still have working 210, 220, 250 and 300's here. Yep, those old scanners had the adjustable metal whips that stuck out through the top of the cabinet.
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