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Converting a 433mhz transmitter to 315mhz

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waldvogelmj

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I had posted about this a couple years ago but never followed through because I found a source of more transmitters for the frequency I was looking for. Now I'm in need of having to convert again.

I mapped out the markings on the components of the 433 vs 315 board and found all these differences. Some of markings on the little beige components are too difficult to read, so I'm missing 3 parts. The 315 board is also missing the SAW resonator because I had tried soldering in a 433 MHz resonator and that alone didn't work.

Do the experts think I really need to swap this many components to make this work, or are there obvious ones to try first. Thanks much!

Euro - U.S.
1 1002 - 4701
2 Y6G - Y0V
3
4 Y1S - Y1Z
5 560J 8374 - 560J 6036
6
7 Y1l - Y1e
8 MSW64 - MSW67
9 4701 - 2201
10 2201 - 2201
11 Y3P - Y3P
12
13 5620 - 6800
14 2201 - 2201
15 3300 - 3300
16 4701 - 4701
17 331K 6106 - 331K 6106
18 Y4G - Y4G
19 1003 - 1003
20 1003 - 1003
21 Y69 - Y69
22 Y69 - Y69
23 4701 - 4701
24 BB1 U - BB1 F
25 WYB80 - WYB7d
26 1000 - 1000
27 WYB80 - WYB7d
28 WYB80 - WYB7d
29 1003 - 1003
30 T4G - T4G
31 4701 - 4701
32 1000 - 1000

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