Alwal Posted August 15, 2017 Share Posted August 15, 2017 TECPRO AD913 Walkie-talkie interfaceHas anyone used the Tecpro radio interface with comms to include radios with their comms system? My school is looking at buying one, and I'm not sure it will provide much benefit. all views welcome Link to comment Share on other sites More sharing options...
Shez Posted August 16, 2017 Share Posted August 16, 2017 It depends entirely on your needs and how useful being mobile whilst still on comms would be. Link to comment Share on other sites More sharing options...
Brian Posted August 16, 2017 Share Posted August 16, 2017 What sort of radio system do you have? The difference between half-duplex and full-duplex can be the difference between an unusable system and a usable one. Likewise the difference between digital and analogue radios. Link to comment Share on other sites More sharing options...
TeeJay Posted August 16, 2017 Share Posted August 16, 2017 The AD913 works but it is fairly basic. You'll need to take a bit of time to balance the wired and radio comms relative to each other - and this will need to include access to both master station/base station for the respective comms systems. Audio quality is best described as functional. However, once set you should be able to leave it alone. Depending on what outputs your master stations have, you may also be able to use the AD903 (2 to 4 wire converter) which I always found a little easier to balance (particularly the PTT button squawks ...) Do remember to purchase the correct adaptors with this (or double check the pin outs if you are making your own) You should also make time (each year for a school) to remind people that only one radio user at once can talk and be heard ... Cheers Link to comment Share on other sites More sharing options...
Stutwo Posted September 9, 2017 Share Posted September 9, 2017 Getting the AD913 to work as you hope it will is, in my experience, an absolute nightmare. I have heard tales of it working with no trouble so it might be worth trying - but we tried on two occasions, didn't get it to work successfully and sent it back. Link to comment Share on other sites More sharing options...
boatman Posted September 10, 2017 Share Posted September 10, 2017 TECPRO AD913 Walkie-talkie interface Has anyone used the Tecpro radio interface with comms to include radios with their comms system? My school is looking at buying one, and I'm not sure it will provide much benefit. all views welcome I would be very surprised if anyone in school management knew what an AD913 was or how it could be used. Do you really mean that you want to buy one and have been asked to justify the expense? If so, put your money into something more useful like some extra gels, lamps or colour frames. Link to comment Share on other sites More sharing options...
sandall Posted September 10, 2017 Share Posted September 10, 2017 I would be very surprised if anyone in school management knew what an AD913 was or how it could be used. Do you really mean that you want to buy one and have been asked to justify the expense? If so, put your money into something more useful like some extra gels, lamps or colour frames. Good idea, but..... Presumably someone with the head's or the finance department's ear thinks that walkie-talkies are a jolly good idea, so it will be bought anyway, won't do what they hoped for & will end up as another item on the school's "white elephant" list. Link to comment Share on other sites More sharing options...
gareth Posted September 10, 2017 Share Posted September 10, 2017 Voted no, because there are much better ways to achieve wireless communication for show operation purposes. Link to comment Share on other sites More sharing options...
mac.calder Posted September 12, 2017 Share Posted September 12, 2017 Are they handy? Sure for certain situations... for example I have worked in venues where there is an emergency channel on 2 way radios for security and paramedics as well as a FOH channel and backstage tech channel. Having these accessible from the sm's console was really nice. Pre show, from the comfort of my headset I could talk to the FOH manager to pass control of the house and monitor FOH comms. When floor lx had to jump up into the roof and fix am issue with a critical special on a foh bridge he could grab his 2 way and quickly radio back to the board op and get him to test a channel. I would say that these interfaces become valuable at scale - I would not be using them to try and replace wireless comms for shiw cuing. Link to comment Share on other sites More sharing options...
Dave m Posted September 12, 2017 Share Posted September 12, 2017 FoH bridge with the audience in? Link to comment Share on other sites More sharing options...
mac.calder Posted September 12, 2017 Share Posted September 12, 2017 FoH bridge with the audience in? Yep - FOH bridges 1 & 2 in this particular venue were recessed in the ceiling space - so there was no risk of items falling - although empty pockets and tools on lanyards was still a requirement - and generally high enough that if you were quiet no one could tell you were up there. Link to comment Share on other sites More sharing options...
paulears Posted September 12, 2017 Share Posted September 12, 2017 Walkie talkies in schools are the bad idea - any form of comms discipline is wrecked by radios. On top of this the TX is initiated by people having to remember to press the yellow button to speak to the radio, otherwise they don't hear anything, but the radios appear on the comms all the time. They're awkward and tricky to make work properly. Give it a miss! Link to comment Share on other sites More sharing options...
sunray Posted October 4, 2017 Share Posted October 4, 2017 OH YES GIVE IT A MISS! Since this topic started a client asked for 2 portables on their techpro intercom. As there is no PTT available I created a VOX system but of course as soon a portable keys up and speaks their audio is also on the system, making the base transmit. My solution was a base radio (VHF) in permanent transmit and a (UHF)for receive. So portables had to carry 2 radios rather like the old police system. Because they could hear themselves coming back, it felt just like using the beltpacks and they tried to both speak together. I resolved this by adding a small mixer and second receiver on a second channel so both portables could speak. As I write this now it doesn't sound too bad but there were 7 radios in use to get 2 portables working (and 3 more for every additional portable). I reckon it's taken 40 hours to set up and keep tweaking and loads of phone calls every time they did something wrong. I think I'd be tempted to try IEMS next time for base TX. Link to comment Share on other sites More sharing options...
sunray Posted December 21, 2017 Share Posted December 21, 2017 Just come across these on ebay https://www.ebay.co.uk/itm/2x-Wireless-Bluetooth-Motorcycle-Helmet-Headset-Motorbike-Intercom-6-Riders1200m/182034216695?hash=item2a6215b6f7:g:TYMAAOSwVF1aM6IU They claim 1200 metres range, perhaps even replace tecpro etc... some hopes Link to comment Share on other sites More sharing options...
Stuart91 Posted December 21, 2017 Share Posted December 21, 2017 Just come across these on ebay https://www.ebay.co.uk/itm/2x-Wireless-Bluetooth-Motorcycle-Helmet-Headset-Motorbike-Intercom-6-Riders1200m/182034216695?hash=item2a6215b6f7:g:TYMAAOSwVF1aM6IU They claim 1200 metres range, perhaps even replace tecpro etc... some hopes I wonder how much latency they have? Link to comment Share on other sites More sharing options...
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