Holybro Kopis Freestyle 4 FPV drone

Photo of Holybro Kopis Freestyle 4 FPV drone

Holybro’s new 4-inch Kopis Freestyle drone is available with two types of FPV systems. While the analogue editions come equipped Foxeer Micro Razer camera and Atlatl HV Micro 800mW 5.8GHz VTX, the digital version with Caddx Nebula NANO system.

It is built on a 180 size two-layer carbon fibre frame. Without a battery weighs less than 180 grams. Its F1404 KV3800 motors are equipped with Gemfan Hurricane 4023-3 propellers.  It can carry a Naked GoPro style camera in addition to the onboard FPV camera.

By default, the Kopis Freestyle 4″ is compatible with the DJI FPV transmitter, but if you want another long-range solution you can opt for TBS Crossfire NANO RX.

Holybro Kopis Freestyle 4″ features

  • 180mm size carbon fibre frame;
  • Sub-250g class drone compliant (weights 173 grams without battery);
  • Can carry a Naked GoPro, SMO 4K, or Insta360 GO2 camera;
  • Analog and Digital versions;
  • F1404 KV3800 motors with Gemfan Hurricane 4023-3 propellers;
  • 4S LIPO compatible (650~850mAh recommended).


Flight Controller: Kakute F7 mini V3
  • MCU: STM32F722RET6 32-bit processor,216MHz, 256Kbytes RAM, 512Kbytes Flash
  • IMU: MPU6000 (SPI)
  • Barometer: BMP280
  • USB VCP Driver (all UARTs usable simultaneously; USB does not take up a UART)
  • 5hardware UARTS (UART1,2,3,4,6)
  • Supports serial receivers (SBUS, iBus, Spektrum, Crossfire) only. PPM and PWM receivers are not supported.
  • Onbord 16Mbytes for Blackbox logging
  • 5V Power Out: 1.0A max
  • 3.3V Power Out: 0.2A max
  • Dimensions: 30x30mm
  • Mounting Holes: Standard 20mm square to centre of holes
  • Weight: 4g
Tekko32 F3 4in1 35A mini
  • F3 MCU, double the speed of F051, the MCU works at 108Mhz
  • 32bit ESC with BLHELI32 firmware
  • Supports 3-6S lipo input
  • Default PWM output 96K
  • Amperage meter scale ratio has been adjusted to 185.
  • PWM input, TLM supported
  • Voltage output (VBAT)
  • NO output BEC
  • Supports oneshot / Multishot / Dshot PWM
  • Supports damped light
  • Ext. cap needed for 6s (1000uf 35v for 6s usage.)
  • Mounting holes: 20x20mm(M3)
  • Size:32 x 38 mm
  • Weight: 8g
Analog version:
5.8G VTx: Atlatl HV Micor
  • Output Power: 0.5mW (pit mode), 25mW, 200mW, 500mW, 800mW
  • Audio: 6.5 MHz Mono
  • Protocol: smart audio2.0
  • Antenna Connector: MMCX
  • Input Voltage: 7 to 28 volts (2-6S LiPo)
  • Dimensions: 30x26mm
  • Mounting Holes: 20x20mm (M3)
  • Weight: 3.6g
HD version:
CDDX FPV Vista Kit
  • Dimensions: Module: 30.45 x 29 x 13mm
  • Weight: 29g (inc. camera); Module: 19g
  • Antenna Connector: u.FL
  • Operating Frequency: 5.725-5.85GHz
  • Transmitter Power (EIRP)
  • FCC/SRRC/MIC: <20dBm;       CE: <14dBm
  • I/O Interface: USB-C, IPEX, 3-in-1 Port
  • Min. Latency: Low Latency Mode (720p 120fps): 21-28ms
  • High-Quality Mode (720p 60fps): 30-40ms
  • Max Transmission Distance: FCC/SRRC: 4km; CE: 0.7km
  • Input Power: 7.4-26.4v
  • Nebula Nano Camera

Sensor: 1/3″ CMOS;                Lens: 2.1mm;                            Shutter: Rolling Shutter;          FOV: 150°;14x14x21mm


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