CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

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CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby Alfie » Tue Nov 26, 2013 1:07 am

Image

Does anyone know anything about these CUBOT DT99 Walkie Talkie Dual Sim Mobile Phones that you can get at Under £50 ?

The dual sim on a fairly ok looking mobile phone at a low price is appealing on its own but with a walkie talkie added too it looks interesting. I just cant find out much about the walkie talkie function as in frequency and range but guess it is a digital modualation ? I know motorola did some mobile phones that worked as walkie talkies which pop up on ebay and they have had good reviews. I have seen them on ebay and amazon

ebay link
http://www.ebay.co.uk/itm/CUBOT-DT99-Ou ... 0992194002

amazon
http://www.amazon.co.uk/Interphone-Walk ... B00EF3CM90

Some i see advertised as gps and others as bluetooth. If anyone has any information at all about the walkie talkie feature i would be glad to hear it
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby m0lsx » Tue Nov 26, 2013 11:17 am

Is it a walkie talkie????? Read the information, band is given as GSM 900/1800MHz, nothing else..It looks like it may simply be a mobile phone designed to look like a walkie talkie..However there is a Puxing that incorporates an amateur radio dual band Tcvr..

http://www.eham.net/reviews/detail/9884
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby Alfie » Tue Nov 26, 2013 11:47 am

yes it is a walkie talkie or rather it has a walkie talkie function. The ebay listing says it has PTT and the amazon listing mentions
It comes with the convenient Interphone function; That is, you can use it as a walkie talkie when you have a couple of them. And the working distance is from 30m to 5000m.


I have read some online about the motorola i355 which are mobile phone and walkie talkies there is a video about them here
http://www.youtube.com/watch?v=yh6a_aMZ1f4

The application we are looking to use them in is for internal coms in a large building as we use simple light everywhere but for in the building something more secure is more fitting and the range needs to be only enough to cover the building
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby moj » Wed Nov 27, 2013 1:07 pm

Hi Alfie !

I have the i355,s but there nothing like the cubot DT99 that your showing on here m8 and they only have the one sim card slot which works on the American iden network and like other ppl are saying theres nothing on the specs regarding what frequency these cubots are supposed to transmit on etc

Also the i355 work on digital frequency hopping principle so can't be picked up by scanners or closecall etc and more ideal for short range communication purposes.

good find tho if they have a good transmitting range ;)
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby Lightspeed » Thu Dec 12, 2013 10:05 am

Sadly the Walkie-talkie functionality of the DT99 is outside of spectrum available to any of us in the UK, nor anywhere in the EU for that matter.

The frequency bandwidth is : 409.7500-410.2250MHz

And this is allocated into 20 pre-set channels:

1. 409.7500 MHZ
2. 409.7625 MHZ
3. 409.7750 MHZ
4. 409.7875 MHZ
5. 409.8000 MHZ
6. 409.8125 MHZ
7. 409.8250 MHZ
8. 409.8375 MHZ
9. 409.8500 MHZ
10. 409.8625 MHZ
11. 409.8750 MHZ
12. 409.8875 MHZ
13. 409.9000 MHZ
14. 409.9125 MHZ
15. 409.9250 MHZ
16. 409.9375 MHZ
17. 409.9500 MHZ
18. 409.9625 MHZ
19. 409.9750 MHZ
20. 409.9875 MHZ

Hope this helps?
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby M3TSY » Thu Dec 12, 2013 10:32 am

Welcome to the forum Lightspeed and thanks for the info :thumbup:
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby Lightspeed » Fri Dec 13, 2013 11:29 am

M3TSY wrote:Welcome to the forum Lightspeed and thanks for the info :thumbup:

Thanks for the welcome, and you're welcome.

By the way, good to see a loud 'n proud M3 :-)

73 de

Jon :wave:
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby Frequency Hopper » Fri Dec 13, 2013 12:43 pm

As far as I'm aware 409MHz is allocated to the military in the UK but very sparsely used. Could anyone confirm that?

If so at low power and in digital mode I would guess that though technically not legal you would be unlikely to cause or receive any interference with these in the UK, and it would be very easy to claim ignorance.
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby Lightspeed » Sun Dec 15, 2013 10:07 am

I looked up the allocation and it shows as military and aeronautical navigation.

Any interference created with either of these is going to be treated seriously, and I would expect that considerable efforts to track down the source of that interference could be authorised.

I for one would not risk transmitting on these frequencies.
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Re: CUBOT DT99 Walkie Talkie Dual Sim Mobile Phone Under £50

Postby milly » Sun Dec 15, 2013 10:43 am

Frequency Hopper wrote:As far as I'm aware 409MHz is allocated to the military in the UK but very sparsely used. Could anyone confirm that?


Yes, military allocation..... but still very widely used.
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