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5.8GHz 7-Channel A/V Transmitter, 250mW, 2S-4S (FatShark)

5.8GHz 7-Channel A/V Transmitter, 250mW, 2S-4S (FatShark)

The FatShark 5.8GHz 250mW A/V transmitter is ideal for FPV applications that involve small R/C models and robots. It has a regulated 5VDC output to power low power cameras or other video accessories. Latest V3 version, compatible with 2S-4S LiPO batteries.

Your purchase includes a JST/BEC type battery cable, basic 5.8GHz dipole antenna, and A/V pigtail cable.

This transmitter is 100% compatible with 5.8GHz A/V receivers offered by ImmersionRC and FatShark. It is also compatible with our 7-channel Black Pearl Diversity Monitor and 7-channel Flysight receiver. It is NOT recommended for use with competitor branded 5.8GHz video systems.


Features and Specifications:

  • Frequency: 5.8GHz RF band.
  • RF Power: 250mW, +24dBm.
  • RF Port: 50 ohms.
  • Channels: Seven (5740, 5760, 5780, 5800, 5820, 5840, 5860 MHz).
  • Video Input: Composite NTSC / PAL, 75 ohms.
  • Audio Mode: Stereo (left / right channels).
  • Audio Sub-carrier: 6.0 / 6.5 MHz
  • Audio Input: 1V Line Level, >10K ohms.
  • Antenna Connector: SMA type.
  • Operating Voltage: 6 - 17 VDC (compatible with 2S-4S LiPO batteries)
  • Typical current: 8V@370mA / 12V@250mA 
  • Accessory Voltage: 5.0VDC output / 300mA maximum.
  • Weight: 1.2 ounces (34 grams) with antenna and cables.
  • Size: 2.3 x 1.0 x 0.5 inches (57 x 26 x 13 mm).


Wiring Information (reference ID label on transmitter):

GND: Common ground
BATT: DC Power In
AUDR: Audio Input, Right Channel
AUDL: Audio Input, Left Channel
VID IN: Video Input
GND: ground (for 5V Out)
+5V OUT: Regulated 5.0VDC Output (optional camera power)


This transmitter is 100% frequency & modulation compatible with our ImmersionRC, FatShark, and 7-Channel FlySight products. Do not use with competitor brands.

NEVER operate the transmitter without a properly installed antenna. Otherwise the transmitter may be damaged and the warranty will be void.

The transmitter requires sufficient air-flow during use to prevent overheating. If it becomes too hot during use then remove power and allow it to cool. Do NOT operate without sufficient airflow.

The maximum allowed voltage is 17VDC. Do NOT exceed this voltage. The transmitter is compatible with 2S - 4S LiPO batteries. Do NOT use 5S or higher LiPO batteries!

The operating distance will depend on the environment, installation, and other factors. FPV (mobile) applications will perform best with circular polarized antenna systems rather than the provided dipoles. For example, upgrading to a SpiroNet antenna on the transmitter and a +5dBi Circular Polarized Patch antenna on the receiver can provide up to 1500 meters range in wide open line-of-sight environments. Obstructions and interference sources will severely reduce its range.


Notice: This is a ham radio hobby type product. Using this RF device in the USA and most other countries will require an Amateur Radio license. Some countries may forbid its use. It is your responsibility to ensure that its use meets the requirements imposed by your government’s RF spectrum regulations. Do not purchase this product if you are unsure of the government requirements or are not able to comply with them.

Frequency Summary List:

CH1= 5.740 GHz
CH2= 5.760 GHz

CH3= 5.780 GHz
CH4= 5.800 GHz
CH5= 5.820 GHz
CH6= 5.840 GHz

CH7= 5.860 GHz


SKU #TX-5G8-250FS4
Ship Wt. 0.22 lbs
List price: $54.95
Our price: $35.99 Item In Stock!
Here's what is included.
Frequency Switch Layout

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