So, for some background, I am looking into recording a fireground channel, that is non repeated. I am thinking of using the pinout to plug into the mobile, and get a feed of the audio into a mini computer, has anyone ever done this with an APX Mobile, or even a HT/XTL model mobile? If so, any tips?
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Channel Recording System through Motorola APX Mobiles
- Thread starter Mboy00
- Start date
I've recorded off a Motorola radio using a Zoom H2n connected to the low-level audio output pins on the accessory connector; worked like a charm.
I wouldn't fool around with a mini-computer; just get a portable recorder like a Zoom H2n or equivalent. If you need to record on the fireground, just hit the record button before you leave the truck and let it run. Use the largest SD card it will take so you don't run out of recording space.
The only thing you'll need to worry about is the legalities involved; using an unofficial recording source could cause problems if you ever had to take the recording to court. Wouldn't hurt to consult the city law director or county prosecutor for advice.
I wouldn't fool around with a mini-computer; just get a portable recorder like a Zoom H2n or equivalent. If you need to record on the fireground, just hit the record button before you leave the truck and let it run. Use the largest SD card it will take so you don't run out of recording space.
The only thing you'll need to worry about is the legalities involved; using an unofficial recording source could cause problems if you ever had to take the recording to court. Wouldn't hurt to consult the city law director or county prosecutor for advice.
Yup. Made many of them. You can buy one but sure you can build it cheaper.
albertaradiosupply.com
RX Audio TAPOFF Cable for Motorola APX / XTL / ASTRO
Buy the best RX Audio TAPOFF Cable for Motorola APX / XTL / ASTRO at Alberta Radio Supply. Shop now!
albertaradiosupply.com
Yup. Made many of them. You can buy one but sure you can build it cheaper.
RX Audio TAPOFF Cable for Motorola APX / XTL / ASTRO
Buy the best RX Audio TAPOFF Cable for Motorola APX / XTL / ASTRO at Alberta Radio Supply. Shop now!
Dumb question here. This doesn't mess with the speakers already used for the radio right?
Does anyone know of the wire used for audio to the pins on the back? I am thinking of just adding the pins in for the external audio to the already in accessory port, just don't want to mess anything up. Is there a specific thing I can buy thats premade wire that I can then put into an audio jack?
No. It takes flat audio from pin 21
Okay, do you know of the wire type I’d need to get?
I normally use a jumper from amazon. Crimp my pins on and I'm done.
I get these as I'm normally going to an amp.
I get these as I'm normally going to an amp.
Gotcha, I assume you ground the black onto pin 14 or whatever the ground is as well?
Yes. Its a jumper to emergency. I just tap into that wire.
Cool, so pin 14 to the black and 21 or whatever that RX Audio is to the Red, and then I’ll figure out another thing for the audio to go to. Where do you get your pins/ what tools do you use?
I order from MSI
Part numbers here -
wiki.w9cr.net
There are normally some on the web for sale by various retailers also.
Part numbers here -
XTL Radio - W9CR
There are normally some on the web for sale by various retailers also.
Would you have happened to order recently from MSI and have a lead time??I order from MSI
Part numbers here -
XTL Radio - W9CR
There are normally some on the web for sale by various retailers also.
I’m also thinking of through an O5, having an AUX button that when you click it it will start the recording. Is the VIP out correlated to the Aux things?
Would this work?I order from MSI
Part numbers here -
XTL Radio - W9CR
There are normally some on the web for sale by various retailers also.
ONE Pre-Terminated Lead for APX / XTL accessory connector choose from 10 colors | eBay
Snap-in wire only. Connector housing not included. MONEY-SAVING TIP red, black, white, blue, green, yellow, orange, brown, violet, gray.
www.ebay.com
XTL --> microswitch --> VOX recording device. This would be the physical way I would do it, but I would (preferentially) control recording thru the recording device (software/UI)
I never liked using a radio to enable recording control of something, it's not best suited for that job.
So I'm thinking APX > Button/Switch Trigger > Recording Device. Would this be the same effectively?
Dumb question, will with the RX Tapoff will it also include the TX audio or
No. RX only.
Project25_MASTR
Millennial Graying OBT Guy
There is a special audio interface cable made by Motorola which plugs into the back of the control head and provides line level RX and TX audio for recording. I seem to remember the Astro Siren having this built in to the micro-control head (not the DEK) as well.
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