Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would
be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate
that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views.
It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if
you would like to post something on RF Cafe's
page, please do.
Below are all of the forum threads, including all
the responses to the original posts.
Post subject: Modifying A Baby Monitor - More Wattage Posted: Fri Jun 10, 2005 9:21 pm
licensed ham and I need some diagrams or instructions on how to mod a 49 MHz baby monitor to put out more power.
It's currently at 100 mW. I'm looking to boost that up to at least 500 mW.
subject: Posted: Fri Jun 10, 2005 9:25 pm
I hit the send button too soon.
I've got a replacement
crystal that'll go in as soon as I mod it so that it transmits in the 50 MHz band.
I'd appreciate any
input on this.
Post subject: Baby Monitor modificationPosted: Mon Jun 13, 2005
In my experience, baby monitors come in two varieties:
1. Discrete designs (perhaps with some IC's)
2. Single-chip designs
In the first case, you might be able to modify the PA stage for more power. In the
second, you probably can't do anything. That's how the FCC wants things - hard to make mods that make them illegal
for the intended use.
You might check to see what you've got, and let us know.
Post subject: Posted: Mon Jul 04, 2005 3:32 am
I don't get what you're saying. "It's
hard to make mods that make them illegal for their intended use." What does that mean? If it's operating under
part 97 rules in ham bands then it's legal. I can modify and homebrew anything I want as long as I follow the
rules for part 97. Now, as far as the actuall device. This thing's got a a simple PCB board. There's no IC.
Post subject: Posted: Wed Jul 20, 2005 12:22 pm
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