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Old Sep 30, 2011, 08:12 AM
Chinglish-funny
Joined Mar 2011
786 Posts
Cool
RangePiloting.com --- RangeLink UHF LRS

rangelink set // 165USD
rangelink rx // 59USD/pcs
chainlink rx // 59USD/pcs



Included:
1 ◊ TX module
1 ◊ 433MHz 3dBi 1/4 wave antenna for TX
1 ◊ cable with connector for power supply and PPM input
1 ◊ cable with connector for Headtracker unit
1 ◊ RX module
1 ◊ 24cm 2.15dBi 1/2 wave dipole antenna for RX

Web shop:
www.rangepiloting.com
================================================== =========
The RangeLink Long Range System (LRS) is a new LRS produced by the designer and manufacturer of the original ChainLink LRS (433MHz/70cm Ham band operation). It offers many new features and improvements including some that are not available on other LRS!

RangeLink LRS has been developed to meet the needs of todays modern FPV/UAV pilots and includes the following features
1: RSSI output function: Letís you know the receiver's signal strength during your flight when linked with an On Screen Display (OSD) that allows RSSI inputs. Many of todayís modern OSD units have this capability.
2: PPM output: For some OSDís with PPM input function, you can just plug one wire for the RTH function.
3: High and Low Power switch: The power switch allows the user to quickly switch from the low power 200mw (which is all you need for most flights), to the high power setting 500mw. It can make your flight safer, because you can switch to high power mode immediately when you get into failsafe, which means you can fly without any device that can get your plane back when you lose control, because when you get into failsafe you just pull the switch, and you will get your control back immediately! What's more, RangeLink has a micro-power mode built in, so you can do the pre-flight range test easily. There is no more need to use a small and easily lost dummy load for range testing.
4: 12 channels PPM signal output: As a FPV/UAV flier, RangeLink provides enough channels to allow for the controlling of all your different components.
5: Strongly filtered: Fully tested with different frequency bands of Video transmitters and has a better power design for both the Tx and Rx module meaning less interference.
6: High sensitivity: -115dBm, the highest in the market, which means our 500mw RangeLink system can give the same (or better) range than other 1w and 2w UHF systems. This might sound hard to believe, but it has been tested many times. Essentially it uses less power, but more provides increased range.
7: Compatibility: RangeLink can work with any popular 4-12 Channel radio in the market(include futaba radio 12ch ppm mode), and it does not matter if the PPM signal is positive or negative!

Features/Specification:
1. Robust FHSS Link.
2. UHF ISM Band 433MHZ (431-435MHZ).
3. Two position RF power switch ~ Low power (200mW) ~ High power (500mW).
4. Headtracker input ~ adds head-tracker compatibility to most radios.
5. PPM input ~ ensures compatibility with 3.3v thru 12.0v PPM levels.
6. Single pushbutton range test mode or failsafe settings mode.
7. Flexible binding function and supports MultiMaster mode.
8. TTL UART for firmware upgrades.
9. RangeLink Transmitter Built-in LPF( 900-1300MHZ rejection Loss over 45dB,2.4GHZ band rejection Loss over 40dB).
10. RangeLink Receiver Built-in SAW band pass filter.
11. Failsafe Cancellable ~ useful for MK Failsafe detector.
12. RangeLink Transmitter 7-13 VDC, 80◊64◊24mm , 125g
a) high power mode 500mW 12V@180mA
b) low power mode 200mW 12V@120mA
c) micro power mode < 1mW 12V@50mA
13. RangeLink Receiver 4.8-6 VDC (Recommend 5V), 40◊26◊12mm , 18g
a) 12CH PWM Output(all channel 9bit solution)
b) RSSI Buffered 0-3.2V
c) PPM Signal Output
d) Sensitivity: -115dBm

>new feature support rf rssi or link qulity indicator on the rssi pins, selectable.

New tx units:
(support all type RC radio, just make sure your radio out stardand ppm stream(center 1.5ms).

------------------------------------------------
-RangeLink UAV Application------------
someone like used rangelink for UAV system,(rangelink works at Transparent asynchronous UART mode,that will support any protocol).
plans to do this. but i cannt give you any ETA info.

support Two Way Communication mode:

rangelink rx <----> rangelink rx
rangelink tx <----> rangelink tx
rangelink tx <----> ragnelink rx

that means only two rxs, you also can used them for UAV application. of course you can used this for fpv downlink...

------------------------------------------------

Warnings/Notices:
1. RangeLink operates in the UHF ISM band, which in most countries you can use legally if you have a HAM license. It is the responsibility of the user to ensure they are complying with their local laws when using this product.
2. Although this system can give you a 10km-40km range under proper installation and usage, we still strongly recommend you fly within proper range and height.
3. In order to get the best experience with this system, some basic knowledge of electronics and Radio Frequencies (RF) are needed. The RangeLink LRS comes with detailed installation instructions, and support is also provided to assist your installation via the rcgroups forum.

-----------------------------------------------------------------------------------------------------------------------------------------



-----------------------------------------------------------------------------------------------------------------------------------------
Review:

>tested by DavorVZ

For now, I made some tests with:
-tested on Futaba T6EX, Hitec Aurora9, Graupner MX22(PPM18)
-Mikrokopter,MultiWii,AeroQuad,OpenPilot = all work perfect,PPM out,FS settings,range...
-ground test with stock configuration = 24Km allmost LOS @500mW, RSSI at this distance 34%
-tested interferences on video RX = i cant find it (Lawmate and RaceWood video RX)
-tested side by side with ChainLink = work withouth problems
-tested Headtrackers (X1000,SkyEye GeoMag) = perfect
-failsafe = work in all conditions
-MultiMaster SmartSync option (control one RX with many TX)= work perfect.
-Interference tested =>Rangelink Master (operating in 500mW Mode) Close to Low power 433mhz car wireless remote key(<10mW),them work fine with together.

many thanks. DavorVZ.

//Review from pre version ChainLink:


-----------------------------------------------------------------------------------------------------------------------------------------

//RangeLink side by side test
RangeLink side by side test (0 min 46 sec)



-----------------------------------------------------------------------------------------------------------------------------------------
Install to your radio with radio holder: (use the AB glue).





---------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------------------------------------------


-----------------------------------------------------------------------------------------------------------------------------------------
resource
How to get ppm signal from R/C radio:
http://users.belgacom.net/TX2TX/tx2t...h/tx2txgb3.htm

Camera Noise(with UHF LRS)
http://www.rcgroups.com/forums/showthread.php?t=1258778

//Turnigy 9x mod for CL or DL from markus123456
http://www.rcgroups.com/forums/showthread.php?t=1417350





Sid
thanks.
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Last edited by sid.huang; May 23, 2014 at 10:35 PM.
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Old Sep 30, 2011, 08:00 PM
Team White Llama
Enthlapy's Avatar
United States, IL, Addison
Joined Dec 2010
500 Posts
Eta?
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Latest blog entry: Metal Head Mini FPV
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Old Oct 01, 2011, 12:39 AM
Chinglish-funny
Joined Mar 2011
786 Posts
avail on stock, but now here china ,, holiday.

thanks attention!



Sid
thanks
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Old Oct 05, 2011, 09:13 AM
KISS
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Joined Oct 2009
1,195 Posts
I already have two in my mailbox, should be here pretty soon.

Having in mind that previously designed LRS by Sid performed very well (ChainLink), and this one being sort of the second generation of it with supposedly total redesign. I have high hopes.

Important one is the built-in LPF.
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Old Oct 05, 2011, 04:05 PM
Team White Llama
Enthlapy's Avatar
United States, IL, Addison
Joined Dec 2010
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Where did you get it?
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Old Oct 16, 2011, 11:37 PM
Registered User
Joined Jan 2008
62 Posts
why the price is more expensive that chainlink? and almost price dragonlink
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Old Oct 17, 2011, 01:21 AM
Chinglish-funny
Joined Mar 2011
786 Posts
RF Moudle rise in price over 50% and the tx add some components ,it rising costs...

Slave (rx),keep the same price. i think many people need more and more rx.... so it also save u money....


Sid
thanks
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Last edited by sid.huang; Oct 26, 2011 at 01:15 AM.
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Old Oct 17, 2011, 07:10 PM
Chinglish-funny
Joined Mar 2011
786 Posts
an earlier version :



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Old Oct 24, 2011, 02:26 PM
Registered User
Joined Jun 2007
63 Posts
So, what is the difference between ChainLink and RangeLink?
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Old Oct 24, 2011, 06:01 PM
Chinglish-funny
Joined Mar 2011
786 Posts
rangelink upgrading from chainlink;
chainlink is a trademark by bevrc, so i need to change the name;
rangelink improve:
1.built-in LPF,reduce output rf harmonic, now master(tx) work fine with vrx (900-1300MHZ);
2.RX sensitivity improve a bit;
3.support headertracker mode;
4.support multimaster mode;
5.fw upgrade over ttl232.
-----------------------------------------------------------------------------------

Sid
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Last edited by sid.huang; Oct 25, 2011 at 12:00 AM.
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Old Oct 28, 2011, 03:59 PM
KISS
hefest's Avatar
Joined Oct 2009
1,195 Posts
Mine just arrived
Sid, maybe you should offer optional Futaba square plug cable.
I already got one which was meant for Chainlink, saved me from soldering.

I've just tried TX with my Futaba 9C.
I think this kind of behavior was not mentioned in manual.
Rangelink TX is beeping rapidly.

Other thing is it looks like voltage of the batteries in TX dropped 1V with RangeLink connected
Thats in Low-power mode.
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Last edited by hefest; Oct 28, 2011 at 04:18 PM.
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Old Oct 28, 2011, 06:13 PM
Chinglish-funny
Joined Mar 2011
786 Posts
Sid, maybe you should offer optional Futaba square plug cable.

yea, i need to buy some.

>I've just tried TX with my Futaba 9C.
I think this kind of behavior was not mentioned in manual.
Rangelink TX is beeping rapidly.

Other thing is it looks like voltage of the batteries in TX dropped 1V with RangeLink connected
Thats in Low-power mode.

tx power too low,i think;
range: 9-13v
use 3s lipo is good idea;


Sid
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Old Oct 29, 2011, 02:43 AM
KISS
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Joined Oct 2009
1,195 Posts
Quote:
Originally Posted by sid.huang View Post
Sid, maybe you should offer optional Futaba square plug cable.

yea, i need to buy some.

>I've just tried TX with my Futaba 9C.
I think this kind of behavior was not mentioned in manual.
Rangelink TX is beeping rapidly.

Other thing is it looks like voltage of the batteries in TX dropped 1V with RangeLink connected
Thats in Low-power mode.

tx power too low,i think;
range: 9-13v
use 3s lipo is good idea;


Sid
Looks like my NiMh TX batteries were empty.
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Old Nov 28, 2011, 07:55 AM
Registered User
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Le Havre, FRANCE
Joined Feb 2007
1,875 Posts
Quote:
Originally Posted by sid.huang View Post
rangelink upgrading from chainlink;
chainlink is a trademark by bevrc, so i need to change the name;
rangelink improve:
1.built-in LPF,reduce output rf harmonic, now master(tx) work fine with vrx (900-1300MHZ);
2.RX sensitivity improve a bit;
3.support headertracker mode;
4.support multimaster mode;
5.fw upgrade over ttl232.
-----------------------------------------------------------------------------------

Sid
Hi Sid,

Have you tested it with 5.8Ghz VTX, I have a 200mW 5.8Ghz VTX and wanted to make sure it won't get interference from the Radiolink
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Old Nov 28, 2011, 08:04 AM
Chinglish-funny
Joined Mar 2011
786 Posts
yes, at 5.8GHZ band rejection Loss over 35dB.


Sid
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