Main Module

V4 RX 5.8Ghz spectrum analyzer with OLED display, OSD, USB, and Pit Audio.

$74.99 USD
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The Main Module is a 5.8GHz spectrum scanner with OLED Display, mirrored OSD in goggles, Pit Autio, USB, LED Strip and many more features that will forever change the way you FPV.

Designed exclusivly for the Fat Shark module bay. With this main module you will immediately have the power to quickly tune into your crafts channel, or scan the spectrum to find a free channel, or even tune into a friends channel.

But it doesn't stop there; add the Diversity Module for an even more reliable FPV experience.

VRX Module

Custom engineered VRX module with dual 5.8GHz filter capable of receiving the cleanest RF signal.

OLED Screen

Crystal clear 128 x 64 pixel OLED can be seen in daylight and night.


Mirrored On Screen Display only found on the official La Forge V4 main module.

Pit Audio

Record local pit audio along with the drone audio for added highlights to your flying experience.

LED Strip

Add extra style to your goggles by wiring up to 16 (ws2812b) addressable LEDs.

Diversity Port

Add the Diversity Module and extend your flying range by using a directional antenna paired with an omni-directional.


Three dedicated buttons make menu navigation simple.


We are constantly improving the firmware to give you the best performance of any receiver on the market.

Technical Specifications

Product Manual
coming soon...
Available Firmwares
Use the La Forge Updater App to customize your module and upload new firmwares.
length 42.1mm, width 29.5mm, height 8mm (excluding header pins.)
Status LEDs
Indicates power (red), status (blue) and if receiver is active (green).
OLED (External)
128x64 pixel display
OSD (Internal)
  • OLED display is mirrored inside of the goggles
  • Channel and RSSI information will the overlayed on the drone video feed.
Pit Audio
Local microphone to record pit audio durring events. *Requires post proccessing to boost the recorded audio.
LED Strip
  • LED strip pad located on the back allows control of up to 16 (ws2812b) LEDs.
  • Animated RSSI visualizations including Larson Scan, party mode and rainbow colors.
Firmware Features
  • Favorites Mode Quickly switch between you favorite channels and store up to 40.
  • Manual Mode Select exactly which channel you want to be on.
  • Band Scan Mode Bar graph showing the entire 5.8Ghz spectrum.
  • Spectate Mode Scan the 5.8Ghz spectrum for strong signals.
  • Screen Saver Display current channel, call sign, and signal strength.
  • Quad Finder Display current channel, call sign, and signal strength.
  • Settings Menu Change audio, receiver, user interface, and LED strip settings.
  • Auto Save active settings are saved when the screen saver becomes active.
40 channel receiver.

Designed around a custom vRX module only found on LaForge FPV Products. High sensitivity dual filtered 5.8GHz module.
4.25v-5.0v input voltage only.
Fat Shark Goggles
  • Dominators
  • Dominator V2
  • Dominator V3
  • Dominator SE
  • Dominator HD
  • Dominator HD V2
  • Dominator HD V3
  • Dominator HD V4
  • Dominator HDO (OLED)
  • Attitude V3 - Some modification required.
TopSky Goggles
  • F7X V1
  • F7X V2
Eachine Goggles
  • EV200D

Channel Mappings

Band 1 2 3 4 5 6 7 8
A 5865 5845 5825 5805 5785 5765 5745 5725
B 5733 5752 5771 5790 5809 5828 5847 5866
E 5705 5685 5665 *5645 5885 5905 *5925 *5945
F / Airwave 5740 5760 5780 5800 5820 5840 5860 5880
C / Raceband 5658 5695 5732 5769 5806 5843 5880 5917
*L / Low Band *5362 *5399 *5436 *5473 *5510 *5547 *5584 *5621
* Frequency is outside the "HAM" amateur radio license and can not be used in the USA.
* Although it is legal to receive L Band frequencies; they are illegal to transmit on in the USA. Please respect and obey your local laws. These frequencies need to be enabled in the v2.0 firmware settings.


Diversity Module

Secondary RX 5.8Ghz diversity module with beeper and wire harness.


Main Module

V1-3 RX 5.8Ghz spectrum analyzer with OLED display and IR emitter.


Diversity Module

V1-3 Secondary RX 5.8Ghz diversity module with beeper and wire harness.