Product overview
The CADDX Walksnail Avatar HD Nano Kit V3 provides a compact camera and video transmitter for an FPV aircraft installation. Its rolling-shutter camera combines a native 4:3, 4Mp sensor with a 2.1mm F2.0 lens and 160° field of view. Video modes include 1080P/60fps and 720P at 120fps or 60fps. The camera measures 14*14*16.8mm and weighs 3.0g without its cable. A 90mm coaxial cable connects the camera within the installation, while the supplied 14–19mm bracket provides mounting hardware for the small camera format.
The VTX occupies 31.5*31.5*9.4mm, weighs 13.4g and offers 25.5*25.5mm M2 and 20*20mm M3 mounting patterns. It accepts 3.1V-13V and provides separate power and USB interfaces. The package includes four-pin power and USB cables, screws and washers. Integration support covers Betaflight, Inav, Fettec, Kiss and ArduPilot, with Canvas mode OSD. Storage descriptions differ between an advertised 8G and a detailed 32G specification; enclosure descriptions also differ between a metal housing and an unenclosed Nano V3 transmitter. Racing mode is unsupported. Standby restricts output to 10mW, and operation requires attention to antenna installation and heat.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | CADDX Walksnail Avatar HD Nano Kit V3 |
| Included equipment | Avatar HD Nano Kit V3; 4-pin USB cable; 4-pin power cable; M2*4/5/6mm screws; M2*14mm screws; M2*5*0.5mm washers; 14–19mm bracket.Supplied package. |
| Transmitter enclosure descriptions | Metal transmitter enclosure is advertised. The Nano V3 comparison entry separately specifies a transmitter without an enclosure. |
| Transmitter output, camera mounting and racing mode | 500mw transmitter, without enclosure; standard camera with mounting holes; racing mode not supported.AVATAR Nano V3 column. |
| Supply voltage | 3.1V-13V |
| Component weights | Camera: 3.0g excluding cable; VTX: 13.4g.Detailed camera weight excludes its cable. |
| Camera model | Avatar HD Mini Camera V3 |
| Image sensor | 1/3.2-inch 4Mp 4:3 sensor |
| Camera video modes | 1080P/60fps,720P/120fps,720P/60fps |
| Aspect ratios | 4/3; 16/9 |
| Lens | 2.1mm |
| Field of view | 160° |
| Aperture | F2.0 |
| Shutter | Rolling shutter |
| Camera dimensions | 14*14*16.8mm |
| Coaxial cable length | 90mm |
| VTX model | Avatar HD Mini VTX V3 |
| Communication frequency | 5.725-5.850GHz |
| Electrical interfaces | JST1.0*4 power cable interface; JST0.8*4 USB interface. |
| VTX mounting patterns | 25.5*25.5mm with M2 holes; 20*20mm with M3 holes. |
| VTX dimensions | 31.5*31.5*9.4mm |
| Internal storage descriptions | 32G in the detailed VTX specification; 8G is also advertised in the product description. |
| Recording formats | 1080p/720p |
| Audible diagnostics |
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| Visual diagnostics |
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| Transmitted power limits |
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| Operating temperature, channels and latency | Operating temperature: -20–40°C; 8 frequency channels; average end-to-end latency: 22ms; one IPEX antenna connection.Latency is an average. |
| Flight controller integration | Betaflight; Inav; Fettec; Kiss; ArduPilot; Canvas mode OSD. |
| VTX antenna | Avatar V2 antenna; LHCP; 5600MHz-6000MHz; average gain 1.9dBi; input impedance 50Ω; standing-wave ratio less than 1.5; IPEX-1 connector; R15*45mm excluding cable; 2g.Antenna dimensions exclude the cable. |
| Installation and operating limitations | Install all antennas before applying power. Arm the flight controller or disable standby before takeoff to remove the 10mW standby restriction. Use different channels alongside other 5.8GHz equipment. Take off promptly after powering on because of heat generation; avoid touching the operating hardware because of burn risk.Standby mode limits power to 10mW; simultaneous use with other 5.8GHz equipment requires different channels. |
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