For those who want to modify their mambo to use an external antenna like the Peter The Penetrator - Tracer TX antenna
How To:
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Open up the radio and you will find a circular groove located at the top of the radio
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Drill a hole there with a diameter of approximately 6.2 - 6.5mm. Do not make it flush with the groove or the adapter will have no place to secure.
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Connect the ufl side on to the PCB
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Instal RP-SMA adapter with the lock washer and hex nut on the outside.
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Done!