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FXT X50-L 25mW (UK Legal) 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA

FXT X50-L 25mW (UK Legal) 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA

£29.90
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SKU:
FPV-TX-X50-L

The FXT X50 is a very popular video transmitter (VTX) with FPV miniquad racers due to its small size, ease of use, vertical antenna mount and compatibility with RaceBand channels.

There are several versions of the VTX available with difference power outputs: 25mW (X50-L), 200mW (X50-2) and 600mW (X50-6). The 25mW is the UK legal version, free to use without a license. With the stock antenna you can get a range of 200m in open space. If you use some circular polarised antennas, this can be increased to over 300m. Low power FPV transmitters like the X50-L are also really good for indoor environments, where high-powered transmitter often cause multipathing. On the other hand, the 600mW version is much better outdoors and for long range FPV. With the stock 2 dBi dipole(Rubber Duck) antenna the transmitter is good for 1km LOS, but this can be extended to 1.5km+ by using a combination of circular polarised and helical antennas. Finally, 200mW is a perfect all rounder. It's a power output used by a lot of FPV mini quad racers because it's enough to provide a decent range and reception and equally won't kibosh everyone else’s fun, or eat into your battery life.

Both transmitters boast a big range of channels and support Raceband frequencies, which makes them compatible with most FPV gear on the market including Fatshark and ImmersionRC gear. RaceBand frequencies basically allow more pilots to race together without interference. Best still, there’s not a dipswitch in sight, it has a channel selection button and LED display that makes changing channels a painless experience. The ability to change channels quickly really comes into its own at drone racing events when lots of people are operating on the same channel.

Race Band channels: 5658, 5695, 5732, 5769, 5806, 5843, 5880, 5817mhz

The X50 transmitter come housed in a neat aluminium case, which helps with cooling and offers some crash protection. Its SMA connection is vertical so you can mount your antenna upwards without needing an adapter.

A wiring harness is provided which features a three-pin connector which is compatible with a lot of FPV cameras.  The Tx also provides a regulated 5V power supply which could be used to power a camera like the Foxeer HS1177.

Features:

  • Aluminium casing for better cooling & crash protection
  • 90 degree upward SMA antenna mount
  • 40 channels includes RaceBand - compatible with Fatshark and ImmersionRC gear
  • Intuitive and easy to use button and LEDs for frequency selection
  • Not affected by 2.4GHz R/C radios
  • Micro sized and very lightweight, only 12g - perfect for racing drones
  • Wide operating voltage (7-20V)

IMPORTANT: Do not turn the transmitter on before attaching the antenna, doing so will permanently damage the board!

Note: Please check with your local authorities regarding the operation of this equipment before you purchase. Regulations on power output, usable frequencies and licenses’ to operate vary from region to region.

Channels:

  • Band A: 5740, 5760, 5780, 5800, 5820, 5840, 5860, 5880
  • Band B: 5705, 5685, 5665, 5645, 5885, 5905, 5925, 5945
  • Band C: 5865, 5845, 5825, 5805, 5785, 5765, 5745, 5725
  • Band D: 5658, 5695, 5732, 5769, 5806, 5843, 5880, 5917
  • Band E: 5733, 5725, 5771, 5790, 5809, 5828, 5847, 5866
FXT X50-L 25mW (UK Legal) 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA
FXT X50-L 25mW (UK Legal) 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA
  • Antenna connector: SMA Female
  • Module : Wideband FM Module
  • Video Format :  NTSC / PAL
  • Output Impedance : 50 Ohm
  • Output Power: 25mW 12dBM
  • Frequency Range: 5645 ~ 5945 Mhz
  • Channels: 40CH (RaceBand)
  • Operating Voltage: 7V~20V
  • Supply Current:  70mA
  • Output Voltage (VOUT) : 5V
  • Operating Temperature:  -10~85 degrees
  • Video Band Width: 8mhz (except R Band, that is 37mhz apart)
  • Audio Carrier Frequency: 6.5MHz
  • Video Input Level: 0.8~1.2 Vp-p
  • Video Input Impedance: 75 Ohm
  • Audio Input Level: 0.5~2.0 Vp-p
  • Input Impedance: 10K Ohm
  • Dimension: 32mm x 22mm x 9.4mm
  • Weight: 12 (without antenna)

Included:

  • 1x X50-L FPV 5.8Ghz 25mW Transmitter
  • 1x Transmitter Connection Cable
  • 1x Antenna
  • 1x Frequency Guide and Booklet
FXT X50-2 200mW 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA
FXT X50-2 200mW 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA
  • Antenna connector: SMA Female
  • Module : Wideband FM Module
  • Video Format :  NTSC / PAL
  • Output Impedance : 50 Ohm
  • Output Power: 200mW 24dBM
  • Frequency Range: 5645 ~ 5945 Mhz
  • Channels: 40CH (RaceBand)
  • Operating Voltage: 7V~20V
  • Supply Current:  200mA
  • Output Voltage (VOUT) : 5V
  • Operating Temperature:  -10~85 degrees
  • Video Band Width: 8mhz (except R Band, that is 37mhz apart)
  • Audio Carrier Frequency: 6.5MHz
  • Video Input Level: 0.8~1.2 Vp-p
  • Video Input Impedance: 75 Ohm
  • Audio Input Level: 0.5~2.0 Vp-p
  • Input Impedance: 10K Ohm
  • Dimension: 32mm x 22mm x 9.4mm
  • Weight: 12 (without antenna)

Included:

  • 1x X50-2 FPV 5.8Ghz 200mW Transmitter
  • 1x Transmitter Connection Cable
  • 1x Antenna
  • 1x Frequency Guide and Booklet
Long Range 600mW Video TX
FXT X50-6 600mW 5.8Ghz 40CH Race Band FPV VTX with Metal Case & 90 Degree SMA
  • Antenna connector: SMA Female
  • Module : Wideband FM Module
  • Video Format :  NTSC / PAL
  • Output Impedance : 50 Ohm
  • Output Power: 600mW 26dBM
  • Frequency Range: 5645 ~ 5945 Mhz
  • Channels: 40CH (RaceBand)
  • Operating Voltage: 7V~20V
  • Supply Current:  260mA
  • Output Voltage (VOUT) : 5V
  • Operating Temperature:  -10~85 degrees
  • Video Band Width: 8mhz (except R Band, that is 37mhz apart)
  • Audio Carrier Frequency: 6.5MHz
  • Video Input Level: 0.8~1.2 Vp-p
  • Video Input Impedance: 75 Ohm
  • Audio Input Level: 0.5~2.0 Vp-p
  • Input Impedance: 10K Ohm
  • Dimension: 32mm x 22mm x 9.4mm
  • Weight: 12 (without antenna)

Included:

  • 1x X50-6 FPV 5.8Ghz 600mW Transmitter
  • 1x Transmitter Connection Cable
  • 1x Antenna
  • 1x Frequency Guide and Booklet

None Available

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FPV equipment and advice: If you like multicopters, you are more than likely going to like FPV flying. Most people dream of piloting an aircraft for real, well with an FPV setup you can actually place yourself in the cockpit (well sort off)! FPV stands for First Person View – it’s achieved by mounting a camera on your multirotor and broadcasting a live video feed so that the pilot on the ground sees the flight from the aircraft’s view. 

When it comes to selecting FPV TX / RX equipment you will soon discover that there is a huge selection to choose from. However, a word of warning; not all of it will be legal to operate in the UK. Only certain frequencies are freely available to use and furthermore there are constraints on transmission power levels. 2.4Ghz video equipment is legal, however most radio control equipment utilizes the 2.4Ghz spectrum and consequently when used together there will be interference. This leaves only one credible option, the 5.8Ghz band, which incidentally is a very clean band due to the low amount of other users. The drawback is its poor penetrative ability; buildings and even trees can have an adverse effect on the signal strength. This means it’s advisable to use it for line of sight (LOS) flying only.

This brings us onto power constraints. In the UK, you are limited 10mw of transmission power on 2.4Ghz and 25mw on 5.8Ghz. Contrary to popular belief, an amateur radio license (HAM) does not exempt you from the power restrictions for airborne use. While you may have seen transmitters with higher power ratings - 200mw is popular, these are not legal to operate in the UK for FPV. You might be wondering why the power level matters anyway? Well, more power gives greater range. However, it’s not that simple; to double the range you have to quadruple the power! Therefore simply buying a very powerful TX to achieve great range is not an especially effective or legal solution.

The best way to achieve greater range is by selecting appropriate antennas. There are a variety of different types; each designed to work slightly differently, for different purposes. Therefore, in order to make the best selection you need to understand how they work.

Most transmitters / receivers come with an omnidirectional, 2.14dbi gain “Rubber Duck” antenna as standard. The key terms to understand here are omnidirectional and gain. Omnidirectional refers to the radiation (or received) pattern of the antenna. Gain on the other hand refers to the antenna’s directivity. To better understand, you can make an analogy with different light sources. If you have a light bulb out in the open, the light will go in every direction, but it will not go very far (this is your omnidirectional low gain antenna). If you take that light bulb and put a reflector behind it, the light will be directed more brightly and much further but in a narrower beam (this like a directional high gain antenna). Radio power works in the same way, you will never get "extra" power from an antenna, but you can direct the radio power where you need it, and it will be many times stronger.

The best thing about increasing the gain of your receiver antenna is the effect it has on your range. For example, if you were to replace your standard 2.14dbi omni antenna with a 17dbi helical antenna you increased your receiver dbi by ~15dbi. 15dbi divided by 3 gives us 5 times the range you think. Well no, 3dbi gain doubles your distance; another 3dbi on top doubles your new distance. So by increasing the gain from 2dbi to 17dbi actually increases the range by 32x its original distance! All this without increasing the TX power at all!

Because high gain directional antennas work by taking power away from some areas, and focusing it in other directions, they need to be aimed,  otherwise your multirotor will fly into weak spots and your video link will be lost. Remember that the higher the gain, the narrower the beam of radiation and hence the greater need for precise aiming.

If the multirotor is far away from you, aiming will be easy, as its position in the sky will change slowly. If it’s close, it is much harder to keep the antenna aimed. The solution is a diversity system. A diversity receiver has multiple video antennas and automatically chooses which antenna is receiving the best signal at any moment. This allows you to have the best of both worlds; you can have a long range directional antenna that you aim when your multirotor is far away (for example a high gain helical antenna), and also a omnidirectional antenna that only works close, but does not need to be aimed for instance a low gain skew planar wheel antenna).

If it are still stuck, then watch this video - it's an excellent layperson's guide to understanding the relationship between range and gain.

If you want a more in detailed explanation watch this video - it will help you understand polarization and also select an appropriate antenna.

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