Main Module

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

$74.99 USD

Find Reseller Update Firmware

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.

OSD

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.

Buttons

Three dedicated buttons make menu navigation simple.

Firmware

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.

Size

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.

Receiver

40 channel receiver.

Designed around a custom vRX module only found on LaForge FPV Products. High sensitivity dual filtered 5.8GHz module.

Power

4.25v-5.0v input voltage only.

Compatibility

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.