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RadioMaster Zorro Transmitter
#16
(19-Dec-2021, 06:46 PM)Rosssiiii Wrote: But what is the difference with CC2500 Version ? maybe alredy that version is enough to run all the main tiny whoops ?

The CC2500-only version uses a cut down multiprotocol module that contains only the Texas Instruments CC2500 RF chip. The CC2500 RF chip supports the following protocols. The ones in bold are the ones most commonly used in the FPV hobby.
  • Corona
  • E016HV2
  • ESky150V2
  • Frsky
  • Futaba/SFHSS
  • Hitec
  • HoTT
  • OMP
  • RadioLink
  • Scanner
  • Skyartec
The 4-in-1 version has 4 different RF chips in it as listed below which support many more protocols (detailed HERE):-
  1. Cyprus Semiconductor CYRF6936
  2. Texas Instruments CC2500
  3. Amiccom A7105
  4. Nordic Semiconductor NRF24L01
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#17
(19-Dec-2021, 07:40 PM)SnowLeopardFPV Wrote: The CC2500-only version uses a cut down multiprotocol module that contains only the Texas Instruments CC2500 RF chip. The CC2500 RF chip supports the following protocols. The ones in bold are the ones most commonly used in the FPV hobby.
  • Corona
  • E016HV2
  • ESky150V2
  • Frsky
  • Futaba/SFHSS
  • Hitec
  • HoTT
  • OMP
  • RadioLink
  • Scanner
  • Skyartec
The 4-in-1 version has 4 different RF chips in it as listed below which support many more protocols (detailed HERE):-
  1. Cyprus Semiconductor CYRF6936
  2. Texas Instruments CC2500
  3. Amiccom A7105
  4. Nordic Semiconductor NRF24L01
Of all the CC2500 you have indicate in the list, frsky is the most famous....i think is more then enough take the CC2500 version right ?

Thanks for the reply Smile
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#18
Someone has posted on Facebook that the internal 2.4GHz ExpressLRS module in the RadioMaster Zorro is only capable of a maximum 100mW of output power. So keep that in mind if you're considering buying this radio.
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#19
Currently at their website RadioMaster states it will be 250mW.

100mW is a limitation that is worth pointing out.
Yet in ELRS technology it is still plenty.

I fly at 10mW around the buildings and through them. I loose vision at less then 0.5 km and at that point I'm far away from any problems with control link.
This is for freestyle flying in urban locations.

As for long range ELRS has it's leader board on their GitHub page with YT videos for verification.
Here are some currently standing flights:
  • 35Km @100mW Snipes
  • 20Km @100mW Paira
  • 10Km @10mW   mrscythe
  • 10Km @100mW Snipes
  • 3Km   @100mW Spec - with little ceramic antenna RX
...I would say 100mW is enough for most pilots.

Additionally, as I understand, they are trying to get it certified, which would be a huge step forward for the ELRS ecosystem.
Currently I'd buy any ELRS radio that is certified in EU and does  100mW or more.

Excerpt from the current state of table at RadioMaster's Zorro webpage:
Quote:RF power | ELRS | Up to 250mw ( CE & FCC Versions will be available)
Control distance | ELRS |
>2klm
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#20
(21-Dec-2021, 09:10 AM)Sherghan Wrote: Currently at their website RadioMaster states it will be 250mW.

100mW is a limitation that is worth pointing out.
Yet in ELRS technology it is still plenty.

They must have literally updated those specs yesterday because prior to that it just stated "TBA" against the power limit for ELRS in that table. I guess the 100mW limitation is for the EU because that is the maximum legal power allowed to be used by non-licensed users on the 2.5GHz frequency. I guess there won't be anything stopping someone in the EU from just changing the region to non-EU like you can with Crossfire and Tracer.

Those leaderboard tables can be a little bit misleading when you see where those pilots are actually flying. Most people won't be flying so high up in such clean RF environments as those pilots, and the closer you are to heavily populated urban area the worse it will be with all the consumer WiFi and other 2.4GHz equipment nearly that is blasting out radio signals on that same frequency band. It is all down to luck. Some urban areas will be much worse than others, but for close proximity flying 100mW should still be plenty of power and in any case you probably shouldn't be blasting out 250mW+ on the 2.4GHz frequency if you are in an urban area because doing that could be impacting other people's data communications on the same frequency.
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#21
(21-Dec-2021, 10:33 AM)SnowLeopardFPV Wrote: They must have literally updated those specs yesterday because prior to that it just stated "TBA" against the power limit for ELRS in that table.
I checked the source just to be up to date - this things change rapidly especially before release. For sure it was not there yesterday.
I assume they were waiting to clear things up with the certifications.

If they could make it legal in EU I would be finally free to use ELRS only and not have keep alternatives laying at hand.
I fly at 10mW, so having 100mW at my disposal would be more than enough.

You are right Snow Leaderboard is for the long range guys and one should read it that in mind. I specifically gave my own example first, as I assume this is more typical usage.
In both cases 100mW of ELRS seems plenty.
Also LoRa technology handles WiFi etc. noise pretty well.
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#22
A ton of reviews just dropped on Youtube.

Pawel’s review has been fairly positive but he doesn’t get into much details about output power of the ELRS internal module:

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#23
So it looks like today was probably the day that any embargo was lifted on details of the RadioMaster Zorro transmitter being officially released because a ton of videos all dropped within the space of about 30 minutes of each other. I wonder what happened to JB supposedly being sent the first Zorro in the US to review, because I don't see his review anywhere in the list below. EDIT: JB's review finally dropped. Now added to the list below.

Anyway, take your pick from your favourite reviewer(s) below Big Grin



















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#24
Haha. I just noticed that kafie beat me to it...just Big Grin
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#25
(28-Jan-2022, 04:00 PM)SnowLeopardFPV Wrote: Haha. I just noticed that kafie beat me to it...just Big Grin

All good, No dramas. The intention is to ensure users browsers on this forum can make an informed decision about a new product.
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#26
Competition is keen. I wonder if TBS has plans for a new gamepad styled controller, perhaps a successor to Tango 2.
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#27
Looks like a great radio, except for the 18350 batteries. Why does every manufacturer have to design at least one critical design flaw into their handset? It's mind boggling.

Oh well, leaves room for the Zorro Pro. There are rumors of AG01 metal gimbals for the Zorro also...
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#28
The 900mAh battery sold by radiomaster is overpriced, and the capacity is on the low side.
A brand I trust for 18350 is KeepPower, rated at 1200mAh and 10A max discharge current. I have used it for high-output flashlights, and it does live up to its ratings.
If sourcing 18350/18650/21700 internationally is troublesome, try local vaping shops. Vapers require high current lipos to operate, and its less likely for customers to get fake cells from reputable vaping shops, because then the vaper wouldn't work properly.
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#29
(28-Jan-2022, 03:53 PM)kafie1980 Wrote: A ton of reviews just dropped on Youtube.

Pawel’s review has been fairly positive but he doesn’t get into much details about output power of the ELRS internal module:


i'm really interested to that radio, should be my first one  Smile

so far i only watched Joshua review and he said 250mw on elrs, but who know what brand is it that elrs module inside ?

anyway i trust by radiomaster so should be a good quality unit.
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#30
(29-Jan-2022, 11:01 AM)leestrong Wrote: The 900mAh battery sold by radiomaster is overpriced, and the capacity is on the low side.
A brand I trust for 18350 is KeepPower, rated at 1200mAh and 10A max discharge current. I have used it for high-output flashlights, and it does live up to its ratings.
If sourcing 18350/18650/21700 internationally is troublesome, try local vaping shops. Vapers require high current lipos to operate, and its less likely for customers to get fake cells from reputable vaping shops, because then the vaper wouldn't work properly.

only 10% short of advertised cap, Quite good for a cell with "power" or "fire" in it :-D
https://budgetlightforum.com/node/57802
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