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RADTEL RT-470X

majicc

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Feb 6, 2024
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2
Location
Norwich, Norfolk, England
My first post on RadioReference. Does anybody know what the orange 'SOS/emergency alert function' button does, other than make a loud noise from the speaker? I'm trying to work out if it could be useful in an emergency whilst dinghy sailing.
 

N1SQB

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Jan 25, 2003
Messages
2,832
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Somewhere On Earth
My first post on RadioReference. Does anybody know what the orange 'SOS/emergency alert function' button does, other than make a loud noise from the speaker? I'm trying to work out if it could be useful in an emergency whilst dinghy sailing.
First of all, welcome to RadioReference! I used to have the 470X. That I can remember, it did not do anything useful. They are trying to imitate the emergency or man-down button on the professional radios. I would not rely on it for anything regarding personal safety. Furthermore, the man down buttons are usually going through a repeater system and they are programmed so that when pressed, it sends out an ID and alerts the dispatchers that a certain individual may be in trouble. Hope this helps you.

Manny
 
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majicc

Newbie
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Feb 6, 2024
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Location
Norwich, Norfolk, England
First of all, welcome to RadioReference! I used to have the 470X. That I can remember, it did not do anything useful. They are trying to imitate the emergency or man-down button on the professional radios. I would not rely on it for anything regarding personal safety. Plus, the man down buttons are usually going through a repeater system and they are programmed so that when pressed, it sends out an ID and alerts the dispatchers that a certain individual may be in trouble. Hope this helps you.

Manny
Thanks Manny, that's really useful. I think I'll get a good waterproof cover for it, and run it on Low TX power on the same freq my sailing club uses (if they're happy for me to do that). I'm not currently licenced, but I'm hoping an unrecoverable capsize counts under the 'marine emergency' exemption. I'm intending to take my UK OFCOM foundation licence in the near future.
 

partyguy816

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Sep 8, 2008
Messages
90
Location
Texas
Has anyone had an opportunity to check the transmit power on low, medium & high for the 470X to see what it's putting out at each level?
 

Diederich

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Apr 14, 2021
Messages
5
Location
Oklahoma
I just received my RT 470x and I can program 800mhz but I can't find where to program DCS codes when I'm using DCS can anyone help me please and thank
 

Diederich

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Apr 14, 2021
Messages
5
Location
Oklahoma
Hey dude,

I had the same issue on a Rt-470 and the rt-890. For both radios I had to enable the tail noise clear. Screens attached for the proprietary CPS and Chirp software. You will find it under the "optional settings" to enable the clear.
What software are you using to program your RT 470x
 

dlwtrunked

Member
Premium Subscriber
Joined
Dec 19, 2002
Messages
2,436
UPDATE:
Received the 470X. A few things. First of all, the receive audio is excellent. Sensitivity is most definitely a strong point in this radio. Surprisingly enough, it receives AND transmits from 100-520 Mhz without gaps. ( AM AC band excluded). Incredible. Tunning steps are on point for our country. 6.25 and (2.5 X 3) 7khz.
Radio feels solid in the hand.
Keypad well lit, buttons feel firm
Display is in color with nice large numbers

Here is my one and only complaint.
This radio has a VERY loud and annoying squelch tail. I don't understand what it is about these Chinese radios that pretty much all have this issue. Wouxun, Baofeng, and now I see Radtel has it too. May not be on all radios but a good majority of them do from what I see on other forums. They have a feature on the menu (STE) to eliminate that but it only applies to radio to radio two way communications. Receiving local emergency response traffic is almost impossible without hearing that loud tail noise. Nonetheless, I like this little radio.

Manny
A lot of radios like this transmit over a large frequency range like that. BUT, the power outside the designed range is like 0.01 W. You will not notice that if you are transmitting just a few feet. Though it looks a lot different, the 470 menus, etc. reminds me a whole lot of a Quansheg UV-K5(8)/K6 which I like better. The radios are enough similar that it cannot be a coincidence. I would buy a K6 and install (free and easy) the egzumer firmware. 10W just wastes battery in most cases--put money into better antennas.
 
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