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TK-780 K vs K2 Sensitivity on 2 Meters

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fourbinlabs

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Has someone checked the SINAD of these radios at the bottom of the 2m band to see if there is an appreciable difference?

If you had a K2 radio on APRS, or perhaps as a repeater receiver, and you replaced it with a K radio, would there be a significant difference in receiver performance? Or is being 2MHz outside of the specified range a small enough difference that it wouldn't be noticeable.

Besides, accessing local FM repeaters, I operate an APRS Igate, and would like to also build a mobile tracker to take on road trips. I have a couple TK-780 K2 radios as well as some of the HK version, and am weighing which radios should be used in each application, or whether it really matters at all.
 
mmckenna

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It's all about the alignment. Taking it 2MHz out of band probably isn't a problem if the radio has been tuned properly.
Since each radio will vary a bit due to component tolerances, age, level of previous abuse, etc. it would be hard to tell you how your specific radio is going to perform.
 
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