sorry if this had been posted before
I was wondering if i could get a list on the differences between the xtr 690 and pro 78. I been reading around and notice that these two are nearly the same and have excellent performance. I have decided to purchase one of these, however, do not know which one. If it makes any difference, the cops are mostly Ka. Other then that my main priority is performance even if it will cost more false alerts.
Btw. i'm upgrading from a xtr-500, i was very pleased with this product but i noticed that for just a few dollars more i could get a 690/78. Also the Ka (which i need) is a bit weak on it.
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