This 2.4 GHz walkie talkie has surprisingly long range

[@markg6jvy135]

Nice test - they were very clear and surprising distance I thought 👍👏👏

[@ElexGamingLifeSafetyGuy]

I have the model DTR 550 and DTR 650, pretty great radios with the digital aspect instead of the analog, works well and preforms well in certain areas while on bike rides

[@kishascape]

The spread spectrum is the great. Outside of california where the 900 MHz ism band isn't flooded the range is actually really good.

[@wisteela]

Very interesting to see. Ringway Manchester has recently done a video about this, and will be doing a range test too.

[@radiosification]

I saw that. He beat me to it! I thought I had a unique idea with buying this radio haha

[@wisteela]

@@radiosification Great minds eh?

[@starrcadeius]

Hey great video. These remind my of some i355's I had. Where did you get them if you don't mind sir?

[@radiosification]

Thanks! They're not manufactured anymore, but I found some used on ebay. If you're in the US or Canada you can get the DTR 700 instead which works on 900 MHz and is newer but operates with the same technology. Or you can get the 900 MHz version of the DTR 2450 which is called the DTR 650.

[@starrcadeius]

@@radiosification Thanks for the information on these. I'm from the UK too, I'm interested as they're licence free. I remember the i355's needed Nextel sim cards in order for them to be able to operate as a two way radio or 'direct connect' as they were calling it back then, the 900mHz were great for penetrating walls and good in the city. Anyway thanks again, keep up the great content 👍

[@radiosification]

@@starrcadeius there are some really cool videos about the i355s on KZbin. I remember seeing a range test out in the US where they had a guy driving miles away and talking. I remember really wanting some of those phones/radios haha

[@MichaelMantion]

Used to 900mhz wireless phone back in the day, they werre awesome. i upgraded to 2.4ghz and the range sucked. That was before I understood longer wave lengths are better.

[@oldmanandguitar]

The quality of the Motorola stands out. The difference between 0.5 watts and 5 watts is only 1 signal point at receiver, although audio normally has a better increase.

[@radiosification]

Neither of these are 5W. The 2.4 GHz radio is I think 100mW.

[@darthgardner]

Notice how the digital transmission does garble a bit the further away you go,analogue does not but it carrys to much white noise so its a difficult choice for some. ive seen american reviews of DMR and again it carrys that garbled audio which you dont get with analogue but does seem cleaner at shorter range.

[@ElectronicNoobBlog]

I would recommend try it out with roof top antenna - should make quite difference

[@Ross13ful]

Nice Radio can you hear any other users on them ?

[@radiosification]

I never have. They're pretty rare and the range is quite short

[@Ross13ful]

@@radiosification oh ok I see well thanks for answering my question

[@Ploggy.]

Great vid 👍

[@radiosification]

Thanks!

[@Ixquick979]

Analogue sounds much better.

[@kishascape]

Pretty neat unique variant, 2.4 is a crap band though i would honestly just get some of the 900mhz normal ones exported and pirate them. FHSS doesn't give off much of a noticeable signature and you'll always be on the move anyways so no big deal.

[@nixter31]

I’m new to this and really confused, so these are my professional radios but their range is a mile???

[@radiosification]

Yes, what's confusing about that? Professional doesn't equal long range. In fact you'll find that amateur radio operators can achieve much longer range than most professional radios

[@nixter31]

@@radiosificationIs the mth 850 better?

[@radiosification]

@@nixter31 not by that much since tetra radios have pretty bad range and you'd require a licence for that radio

[@nixter31]

@@radiosification Well yeah I have applied for the license so I am in the market for a strong radio but I saw a video where someone managed to get 35 km range with a mth 800

[@radiosification]

@@nixter31 which licence? The type of radio you can use depends on the licence. Tetra uses 25kHz wide channels and most business radio licences will only allow 12.5 kHz

[@taylorfeldman5906]

I had some of these about 7 years ago they used to upset my old WiFi router a lot

[@ArclampSDR]

where the heck do i get some of these in australia

[@radiosification]

they're not manufactured anymore so it's difficult. Just look out on auction/selling websites for them.

[@VicGreenBitcoin]

There is a Analoge 2.4Ghz Walkie Talkie for sale at the Aldi Right now, maybe cool for your video`s

[@radiosification]

That sounds very interesting but I was unable to find it with a quick search of their website. Any chance you have a link please?

[@VicGreenBitcoin]

@@radiosification Bro I have seen your Reply, run to the shop and got a pair. Will upload a short video for (upload will be from my other channel)

[@radiosification]

Are you sure there's no link or even a product name? It's quite a hassle for me to go all the way and I don't know if I'd even find it with so little detail. It would be really helpful if you could give me something more to work with

[@radiosification]

@@VicGreenBitcoin if you upload a video can you send me the link so I can look?

[@VicGreenBitcoin]

@@radiosification No sure if KZbin let me send the link: kzbin.infoai_JnC3KBgc

[@TRIPPLEJAY00]

The Retevis is not an official PMR446 radio and the min power is 1 watt. However interesting test the Motorola would be more concentrated on local use. I wonder if you could tap into the 2.4ghz and make a repeater using WiFi Router's 🤔

[@radiosification]

They sell is as a PMR446 radio and it says 0.5W on the back. No you can't use WiFi routers on the dtr radios, they use a completely different system that won't be able to communicate with WiFi. It would be cool though if you could

[@resende12]

Hi radiosification. 73. TKS!

[@radiosification]

Hi!

[@ManuelPinner]

These Radio Transmit on DMR,

[@radiosification]

Where did you get that info from?

[@codgodshotu]

You don't post a lot

[@radiosification]

Yeah, ran out of things I wanted to make videos about

[@codgodshotu]

@@radiosification oof still gonna sub

[@mohamednasse3102]

H