Its just a 12v RF transfer relay that will switch something in line or bypass it. I have not wired it to automatically switch yet and will look at the 44pin connector "TXENB+" pin as a possible keying point.
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XG-100M and features
- Thread starter merlin
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BMDaug
I am licensed…
Yes, that would be ideal. That’s how the Pyramid SVR250 determines whether or not the radio has been granted a channel on a trunking system.
-B
I made one of my XG-100Ms into an underdash version with scan head and mounted to a grab and go plate. Makes a great base station or temp mobile, etc. Any band, anywhere, any time!
I used plywood and routed the outside edges and inside of the handle. There are also rubber feet screwed in the bottom and the brackets holding the radio down were made from some aluminum angle stock I had on hand. I've used cutting boards in the past but its hard to find one that fits just the way you want. It only takes about 20 min to cut and route one of these out then apply a couple coats of paint. I just remounted the speaker so it sits a lot lower to the radio pointing mostly upward.
The first time I saw something like this was the early 80s were a friend who rented radios mounted Motorola mobiles to a cutting board and he attached some sheet metal at the very rear to hold a mag mount UHF antenna. It was a sweet setup he could just hand to a customer and they plugged it into the cig lighter in their car and off they went.
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For the jerk that has everything. Kinda like me....
That's what I did with my XTVA; it's mounted to a board, with a rope loop to hang over a headrest in the back seat. Cigarette light plug for power, and HHCH up front. Works like a charm.
Looks nice, I thought of something similar for my scanner but how do you secure that inside a vehicle to prevent it from becoming a missile in the event of a bad accident?
I have set these on a passenger seat or transmission hump or even a rear seat. You could also attach a loop of rope to the handle and hang it over the passenger seat head rest which would hold it during an emergency stop.
I'm assembling an adapter for an HHC-731 handheld control head since the fleabay ones are way too expensive. I pulled a CAN bus connector off a old 800Mhz radio I bought to get the front mount control head parts for another radio and the adapter has 16ga power leads terminating in Anderson Power Poles which I use everywhere. It almost looks like factory equipment. Now I just need an affordable HHC731 to test this thing.
Thanks very much to BMDaug for posting the schematic for this.
Thanks very much to BMDaug for posting the schematic for this.
BMDaug
I am licensed…
I can send you my spare for testing… pm me if interested!
Thanks for doing this!!!
Having run an HHC731 for a while, it’s pretty handy to have the accessory port available for things like a headphone output, external mic input, and external data I/O. It’s not necessary for operation, but it is useful.
I also have the canbus chassis mount connector part number so you don’t have to rely on salvaging them all the time.
Great work!
-B
BMDaug
I am licensed…
Oh, I also have a DB25 knockout…
Edit: (or punch… whatever you wanna call it)
-B
Edit: (or punch… whatever you wanna call it)
-B
Yea, I got lots of knockout punches. Thanks!.
I don't. Are they expensive?
$500 what??? The one I use is a Challenge Tool and I like it better than the Greenlee for thin sheet metal, especially at $169 new. I have lots of round and square Greenlee punches and I used to have the hydraulic hand pump thing for them but I gave it to a friend who punches way more stuff than I do these days.
I'm a little hesitant in borrowing an HHC-731 in case my adapter is wired wrong and I end up toasting the 731. Thanks for the offer.
Are you making or selling these?
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