Walksnail · Video transmitter

Walksnail Avatar HD Pro Kit

Name: Walksnail Avatar HD Pro Kit
Brand: Walksnail

Walksnail's low-light camera and digital transmitter as a matched pair, feeding Avatar goggles with about 22 ms of delay.

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Check this part against a build See all in Video transmitter

Specification last checked 2026-07-27

Mounting patterns supported20 × 20 mm, 25.5 × 25.5 mmSome boards are drilled for two patterns and bolt into either.
Video systemWalksnail Avatar HDDecides what it fits
Antenna connectorU.FL / IPEXDecides what it fits
Maximum cell count6 SDecides what it fits

Compatibility

What this fits

Checked against every other product in the catalog by the same engine the planner runs, rule by rule. Where a specification is missing the answer is unknown, which is a different answer from compatible.

Frame

Works with (6)14 not yet judged

All frame · All 20 frame checked against this video transmitter

Works with (6)
The frame has a 20 × 20 mm, 25.5 × 25.5 mm mount for the video transmitter.
Rule: Video transmitter mounting

Show the 14 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (14)
Where this frame mounts a video transmitter is not recorded yet. Many frames carry an air unit on a printed mount rather than on the stack.
Rule: Video transmitter mounting
Show the other 2
- TBS Source One V5
- TBS Source One V6 7" Deadcat

FPV camera

Does not work with (17)Works with (3)3 not yet judged

All fpv camera · All 22 fpv camera checked against this video transmitter

Does not work with (15)
A Analog 5.8 GHz camera cannot feed a Walksnail Avatar HD transmitter. Digital systems pair a camera and transmitter from the same family.
Rule: Camera matches the video transmitter
Show the other 3
Does not work with (2)
A HDZero camera cannot feed a Walksnail Avatar HD transmitter. Digital systems pair a camera and transmitter from the same family.
Rule: Camera matches the video transmitter
- RunCam HDZero Micro V3
- RunCam HDZero Nano90
Works with (3)
Both are Walksnail Avatar HD.
Rule: Camera matches the video transmitter

Show the 3 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (3)
Not enough recorded specification to judge this combination.
Rule: Camera matches the video transmitter

Battery

Works with (28)

All battery · All 19 battery checked against this video transmitter

Works with (11)
1S is inside the Walksnail Avatar HD Pro Kit supported range.
Rule: Battery voltage within supported range
Works with (8)
6S is inside the Walksnail Avatar HD Pro Kit supported range.
Rule: Battery voltage within supported range
Works with (6)
4S is inside the Walksnail Avatar HD Pro Kit supported range.
Rule: Battery voltage within supported range
Works with (3)
3S is inside the Walksnail Avatar HD Pro Kit supported range.
Rule: Battery voltage within supported range

Goggles

Does not work with (15)Works, with a compromise (2)Works with (2)4 not yet judged

All goggles · All 23 goggles checked against this video transmitter

Does not work with (1)
BetaFPV VR02 Goggles does not receive Walksnail Avatar HD.
Rule: Video system match
- BetaFPV VR02 Goggles
Does not work with (1)
BetaFPV VR03 Goggles does not receive Walksnail Avatar HD.
Rule: Video system match
- BetaFPV VR03 Goggles
Does not work with (1)
BetaFPV VR04 Goggles does not receive Walksnail Avatar HD.
Rule: Video system match
- BetaFPV VR04 Goggles
Does not work with (1)
DJI Goggles 3 does not receive Walksnail Avatar HD.
Rule: Video system match
- DJI Goggles 3
Does not work with (1)
DJI Goggles Integra does not receive Walksnail Avatar HD.
Rule: Video system match
- DJI Goggles Integra
Does not work with (1)
DJI Goggles N3 does not receive Walksnail Avatar HD.
Rule: Video system match
- DJI Goggles N3
Does not work with (1)
Eachine EV800D does not receive Walksnail Avatar HD.
Rule: Video system match
- Eachine EV800D
Does not work with (1)
Fat Shark ECHO does not receive Walksnail Avatar HD.
Rule: Video system match
- Fat Shark ECHO
Does not work with (1)
Fat Shark HDO+ does not receive Walksnail Avatar HD.
Rule: Video system match
- Fat Shark HDO+
Does not work with (1)
HDZero BoxPro does not receive Walksnail Avatar HD.
Rule: Video system match
- HDZero BoxPro
Does not work with (1)
Orqa FPV.One Pilot does not receive Walksnail Avatar HD.
Rule: Video system match
- Orqa FPV.One Pilot
Does not work with (1)
Skyzone Cobra SD does not receive Walksnail Avatar HD.
Rule: Video system match
- Skyzone Cobra SD
Does not work with (1)
Skyzone Cobra X does not receive Walksnail Avatar HD.
Rule: Video system match
- Skyzone Cobra X
Does not work with (1)
Skyzone SKY04O Pro does not receive Walksnail Avatar HD.
Rule: Video system match
- Skyzone SKY04O Pro
Does not work with (1)
Skyzone SKY04X Pro does not receive Walksnail Avatar HD.
Rule: Video system match
- Skyzone SKY04X Pro
Works, with a compromise (1)
HDZero Goggles does not receive Walksnail Avatar HD natively, but accepts it through its AV or HDMI input. Expect a little added latency.
Rule: Video system match
- HDZero Goggles
Works, with a compromise (1)
HDZero Goggles 2 does not receive Walksnail Avatar HD natively, but accepts it through its AV or HDMI input. Expect a little added latency.
Rule: Video system match
- HDZero Goggles 2
Works with (1)
Walksnail Avatar Goggles L receives the Walksnail Avatar HD system.
Rule: Video system match
- Walksnail Avatar Goggles L
Works with (1)
Walksnail Avatar Goggles X receives the Walksnail Avatar HD system.
Rule: Video system match
- Walksnail Avatar Goggles X

Show the 4 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (4)
Not enough recorded specification to judge this combination.
Rule: Video system match

Antennas

Works, with a compromise (21)Works with (6)

All antennas · All 10 antennas checked against this video transmitter

Works, with a compromise (10)
This antenna is SMA and Walksnail Avatar HD Pro Kit takes U.FL / IPEX. A pigtail adapter is needed, and it adds a little loss.
Rule: Antenna connector match
Works, with a compromise (6)
This antenna is RP-SMA and Walksnail Avatar HD Pro Kit takes U.FL / IPEX. A pigtail adapter is needed, and it adds a little loss.
Rule: Antenna connector match
Works, with a compromise (5)
This antenna is MMCX and Walksnail Avatar HD Pro Kit takes U.FL / IPEX. A pigtail adapter is needed, and it adds a little loss.
Rule: Antenna connector match
Works with (6)
Both use U.FL / IPEX.
Rule: Antenna connector match

Offers

Where to buy

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This listing does not say which warehouse ships it. Most orders leave China, so expect import VAT and a carrier handling fee unless an EU warehouse is chosen at checkout.

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Evidence

Recorded specification

Every value carries the source it was read from. A property with no recorded source is marked as such rather than presented as a fact. If one of them is wrong, tell us: it is the fastest way it gets fixed.

Property	Value	Source
Mounting patterns supported decides fitSome boards are drilled for two patterns and bolt into either.	20 × 20 mm25.5 × 25.5 mm	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
Video system decides fit	Walksnail Avatar HD	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
Antenna connector decides fit	U.FL / IPEX	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
VTX control protocolHow the flight controller changes channel and power.	MSP / Canvas Mode	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
Glass-to-glass latencyTime from the scene reaching the camera to it reaching your eye. The number racers choose a system on, and the one thing analog still wins.	22 ms	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
Onboard recordingThe best resolution the unit itself records, separate from what the goggles' DVR captures. Analog gear records nothing onboard, and that is recorded as its own answer rather than left blank.	1080p	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 2, below the table
Maximum cell count decides fit	6 S	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
Carries a cameraA complete drone is not in the camera category but carries one, and a digital air unit is a camera and a transmitter in one part. Many countries trigger registration on the camera regardless of the drone's weight.	Yes	Walksnail / CaddxFPV product specificationschecked 2026-07-27Quote 1, below the table
WeightBuild-critical rather than compat-critical: needed to answer registration and class questions.	32 g	Oscar Liangchecked 2026-07-27Quote 3, below the table

Walksnail / CaddxFPV product specificationschecked 2026-07-27Walksnail Avatar HD Pro Kit — Supports 6S input (6–25.2V); Mounting Holes 25.5*25.5mm; 20*20mm; OSD Canvas mode; Latency Average delay 22ms; Antenna 1(IPEX); Interface IPEX-1; Fully compatible with Walksnail Avatar HD Goggles X and L
Walksnail / CaddxFPV product specificationschecked 2026-07-271080p/720p; 1080P/60fps; 720P/120fps, 720P/60fps; 1080P/120fps; 8G
Oscar Liangchecked 2026-07-27Walksnail Avatar HD Pro kit — Connectors: JST1.0 4-pin (Power in), JST0.8 6-pin (USB); Mounting holes: 25.5*25.5mm; 20*20mm; Input Voltage: 6V-25.2V; OSD: Canvas mode; VTX Dimension: 33*33*10.5mm; Weight: 32g (Camera 10g, VTX 19g, antenna 3g); Connector: IPEX-1

Guides

The standards this part is judged by

What the properties above actually mean, which differences are absolute, and where the names used in shops mislead.