Today I changed the SAW filter on my Lawmate 1.2GHz receiver.
The lawmate receiver is nice and compact…
The underside of the pcb.
The topside. Notice the 90° pin-header solution.
Desolder the case.
Desolder the pin-headers.
The old filter. F480-2.
New narrow band filter D480A
The whole modification took about 30 minutes.
Here is a link to my guide on changing SAW filters in receivers.
I have one original lawmate receiver and one modified now. I’m going to compare them with similar antennas on my diversity switch and see which one performs the best.
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