Filter Replacement » History » Version 12
Anonymous, 02/19/2016 10:49 PM
We don't sell the kits anymore
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2 | 12 | h2. Motorola filter replacement |
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5 | 10 | nion | In order to use the phone as a passive uplink sniffer, you will have to remove and replace the RX filters. |
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7 | To replace filters on Motorola phones you will need: |
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9 | 12 | * "HHM1526":http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=HHM1526 |
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10 | * "HHM1523C1":http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=HHM1523C1 |
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11 | * "04025A150JAT2A":http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=04025A150JAT2A |
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12 | * "04025A220JAT2A":http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=04025A220JAT2A |
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16 | 12 | h3. Remove existing baluns |
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19 | 1 | First you will need to remove existing balun: |
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21 | 12 | {{thumbnail(motorola_filter_replacement_step_1_low.jpg, size=250)}} |
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22 | {{thumbnail(motorola_filter_replacement_step_2_low.jpg, size=250)}} |
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25 | 12 | h3. Solder new baluns |
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28 | 1 | Clean up the phone and solder HHM1526 and HHM1523C1 on the right places (the black dot goes up): |
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30 | 12 | {{thumbnail(motorola_filter_replacement_step_3_low.jpg, size=250)}} |
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31 | {{thumbnail(motorola_filter_replacement_step_4_low.jpg, size=250)}} |
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32 | {{thumbnail(motorola_filter_replacement_step_5_low.jpg, size=250)}} |
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35 | 12 | h3. Solder ceramic capacitors |
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38 | 2 | Last step is to solder ceramic capacitors 04025A150JAT2A and 04025A220JAT2A: |
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40 | 12 | {{thumbnail(motorola_filter_replacement_step_6_low.jpg, size=250)}} |
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41 | {{thumbnail(motorola_filter_replacement_step_7_low.jpg, size=250)}} |
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44 | 12 | h3. Credits |
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47 | Thanks to "Sylvain":http://246tnt.com/gsm/rx_filter.html and Peter who made this possible. |