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Walksnail AvatarHD NANO KIT V3

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HD Nano Kit V3

4:3 Native Sensor

Retains maximum flexibility for post-processing: Can be freely cropped to any ratio such as 16:9 or 9:16, allowing for more flexible composition and richer lens language.

3.1 - 13V Ultra-wide Voltage Input

Supports a full range of drones from 1S micro-controllers (3.1V) to 6S professional machines (13V)

3.1 - 13V Ultra-wide Voltage Input

500mW Full power output

The signal penetration power has been enhanced by 40% compared to the 350mW version, and it remains stable even in complex environments.

500mW Full power output

Avatar HD Nano Camera V3 Camera

Avatar HD Nano Camera V3 Camera

Built-in 32G storage space

Directly record 1080P/60fps uncompressed video, instantly save without removing the card

Built-in 32G storage space

Supports full series of flight controllers such as Betaflight/KISS/iNav

Perfect compatibility: Betaflight/KISS/iNav/ArduPilot/Fettec/Falcox
Compatible with all historical firmware versions of BF4.3+

Supports full series of flight controllers such as Betaflight/KISS/iNav

Circuit Diagram

Circuit Diagram

Pairing Instructions

  • 01
    Connect the VTX to the power supply of the glasses.
  • 02
    After the equipment is powered on, the VTX green light starts to flash and the status icon appears on the goggles.
  • 03
    Press the frequency matching buttons of the VTX and the glasses respectively (as shown in the figure). When the pairing process is completed, the VTX indicator light turns red, and the glasses end emits a "drip... drip... drip..." sound as a notification.
  • 04
    After frequency matching is successful, the indicator light on the VTX turns green and stays on constantly. The glasses' buzzer stops and displays the video transmission screen.

Firmware Upgrade

Please download the latest firmware from the official website.Avatar_Sky_X.X.X.img: Firmware for the VTX unit.AvatarGnd_X.X.X.img: Firmware for the goggles
Copy the corresponding firmware files to the SD cards of the VTX and the goggles respectively.Do not rename the files.Note: The VTX must be powered on in order to enable USB mass storage functionality.

Status Indicators

Goggles Beep Sounds
Power-on failurebeep.. beep...... beep.. beep......
Pairingbeep.... beep.... beep.... beep....
Firmware upgradingbeep......beep......beep......beep——
Firmware upgradebeep.. beep.. beep.. beep..
VTX LED Status
Pairing / No firmware detectedsolid red
Firmware upgradingrapid red flash
Wireless connected, video output normalsolid green
Wireless not connectedrapid green flash
Camera not detectedslow green flash
Transmission overheatingalternating red and green flash

Key Differences Comparison

Key SpecificationsAVATAR 1s (V3 Version)AVATAR 1s LiteAVATAR Nano V3
Video Transmission500 mW, with enclosure500 mW, with enclosure500 mW, without enclosure
CameraStandard version (with mounting holes)Lightweight version (requires 3D-printed mount)Standard version (with mounting holes)
Race Mode

Not supported

Not supported

supported

Input Voltage Range3.1V – 13V (V3 upgrade)3.1V – 5V (V2 version)3.1V – 13V
Weight AdvantageCamera 3.5 g + VTX 6.8 gCamera only 1.8 g + VTX 6.8 gCamera 3 g + VTX 13.4 g

Important Notes

Dimensional Drawing

Dimensional Drawing

In the Box

Avatar HD Nano Kit V3 | 4-pin USB Cable | 4-pin Power Cable | M2×4 / 5 / 6 mm Screws | M2×14 mm Screws | M2×5×0.5 mm Spacers | 14–19 mm Bracket

In the Box

Specification

Camera Specifications

ModelAvatar HD Mini Camera V3
Image Sensor1/3.2 inch 4Mp 4:3 sensor
Resolution1080P/60fps, 720P/120fps, 720P/60fps
Ratio4/3 16/9
Lens2.1mm
FOV160°
ApertureF2.0
ShutterCurtain shutter
Weight3.0g (excluding cable)
Overall dimensions141416.8mm
Coaxial cable90mm

VTX Specifications

ModelAvatar HD Mini VTX V3
Communication Frequency5.725 - 5.850 GHz
Transmission Power (EIRP)FCC: < 27 dBm; CE:<14dBm; SRRC:<20dBm; MC:<25dBm
InterfaceJST1.04 (power cable); JST0.84 (USB)
Installation hole spacing25.525.5mm (M2 hole); 2020mm (M3 hole)
Overall dimensions31.531.59.4mm
Internal storage32G
Recording specifications1080p/720p
Weight13.4 grams
Operating temperature range-20 - 40℃
Number of frequency points8
Wide power input3.1V - 13V
Supports flight control systemBetaflight; Inav; Fettec; Kiss; ArduPilot
OSDCanvas mode
End-to-end delayAverage delay 22ms
Antenna1 (IPEX)

VTX Antenna

ModelAvatar V2 Antenna
Polarization DirectionLeft Hand Circular Polarization (LHCP)
Operating Band5600 MHz - 6000 MHz
Average Gain1.9 dBi
Input Impedance50Ω
Return Loss<1.5
InterfaceIPEX-1
DimensionsR15*45mm (excluding cable)
Weight2 grams

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