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
I'm a 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.
Post 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.
any input on this.
Post subject: Baby
Monitor modificationPosted: Mon Jun 13, 2005 1:02 pm
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.
might check to see what you've got, and let us know.
Post subject: Posted: Mon Jul 04, 2005
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.
subject: Posted: Wed Jul 20, 2005 12:22 pm
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