Monthly Archive: March 2017

Mar 20

BITX40: A simple microphone made from scraps

A common question with new BITX40 owner is “Which microphone should I use?” People have used modified CB microphones, Baofeng microphones designed for HT’s, and various homemade microphones. The BITX40 comes with an electret mic element and a small switch to make a microphone with, but the switch is not very good. I purchased 10 small …

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Mar 06

Adding 80m to the BITX40

Update: Because of the lack of filtration, this is a really dirty way of doing it. Instead, a new Band Pass Filter and Low Pass filter should be used. It’s inexpensive and a fairly simple modification. read about it here: Converting the BITX40 to 20M A common question for people have about the BITX40 is “Can I …

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