Product overview
The GEPRC MARK4 HD5 DJI FPV HD is a complete FPV quadcopter built around a full 3K carbon-fiber frame and DJI FPV Air Unit. Its architecture uses a 224mm motor-to-motor span, a 138*176mm frame footprint and 5mm arms, with thinner body and protective plates. The camera arrangement keeps propellers out of view. For electronics integration, the frame provides 30.5*30.5mm and 20*20mm mounting patterns, while the flight controller uses soft mounting. Aircraft weight is specified as 400g without a battery; a separate 900 g weight entry has no configuration qualification.
Procurement choices cover DJI Receiver or TBS Crossfire Nano RX, alongside 4S 2450KV and 6S 1850KV motor configurations with their respective battery ranges. The base package includes one quadcopter; additional bundles add DJI HD FPV Goggles and, optionally, a DJI Remote Controller in Mode 1 or Mode 2. The current controller is identified as a single-gyro F722 BT HD, although the detailed electronics specifications also describe a dual-IMU controller. The DJI video link has mode-dependent latency and regional transmission limits, and its operating temperature range is 0° to 40°C.
Specifications
| Specification | Value & conditions |
|---|---|
| Listed weight | 900 g |
| Quadcopter weight | 400g without batteryWithout battery. |
| Receiver options | DJI Receiver; TBS Crossfire Nano RX |
| Motors and battery configurations | 4S: GR2306.5 2450KV motors, 4S 1300~1550mAh battery; 6S: GR2306.5 1850KV motors, 6S 1050~1300mAh battery4S and 6S power configurations respectively. |
| Equipment configurations | MARK4 HD5 QUAD; quad plus DJI HD FPV Goggles; quad plus goggles and DJI Remote Controller (Mode 2); quad plus goggles and DJI Remote Controller (Mode 1)Selectable equipment bundles; remote controller offered in Mode 1 or Mode 2. |
| Flight control system | GEP-F722-BT |
| Black box memory | 32Mb onboard flash memory |
| Frame dimensions | Motor to motor: 224mm; size: 138*176mm |
| Mounting holes | 30.5*30.5mm/20*20mm |
| Frame plate thicknesses |
|
| Operating frequency | 5.725-5.850 GHzDJI FPV Air Unit. |
| Transmitter power (EIRP) | FCC/SRRC: less than 30 dBm; CE: less than 14 dBmDJI FPV Air Unit; FCC/SRRC and CE settings respectively. |
| Video latency | Low Latency Mode (720p/120fps): less than 28 ms; High-Quality Mode (720p/60fps): less than 40 msDJI FPV Air Unit; minimum end-to-end latency in the specified video modes. |
| Maximum transmission distance | FCC/SRRC: less than 4 km; CE: less than 0.7 kmDJI FPV Air Unit; FCC/SRRC and CE settings respectively. |
| Video format | MP4 (Video format: H.264; Audio format: ACC-LC)DJI FPV Air Unit. |
| I/O interfaces | USB-C, MMCX, 3-in-1 port, microSD card slotDJI FPV Air Unit. |
| Operating temperature range | 32° to 104°F (0° to 40°C)DJI FPV Air Unit. |
| Input power | 7.4-17.6 V, about 4-9 WDJI FPV Air Unit. |
| Sensor and lens | 1/3.2-inch CMOS; effective pixels: 4 M; lens: 2.1 mm, f/2.1DJI FPV camera. |
| ISO and field of view | ISO: 100-25600; FOV: 150°(D), 122°(H), 93°(V)DJI FPV camera; diagonal, horizontal and vertical fields of view respectively. |
| Camera dimensions | 22.1 × 21.1 × 20.1 mmDJI FPV camera. |
| Flight controller MCU | STM32F722RET6Detailed F722 DUAL ICM20689 flight controller configuration. |
| Gyro configuration | Current: F722 BT HD single gyro. Detailed dual-controller specification: 2x ICM20689(SPI).Current equipment is specified as a single-gyro F722 BT HD controller; the detailed F722 DUAL configuration lists two IMUs. |
| IMU specification | 2x ICM20689(SPI)Detailed F722 DUAL ICM20689 flight controller configuration. |
| On-screen display | BetaFlight OSD with AT7456E chipDetailed F722 DUAL ICM20689 flight controller configuration. |
| Barometer | BMP280Detailed F722 DUAL ICM20689 flight controller configuration. |
| BEC outputs | 5V@2A / 9V@2ADetailed F722 DUAL ICM20689 flight controller configuration. |
| Firmware target | EXF722DUALDetailed F722 DUAL ICM20689 flight controller configuration. |
| Controller board dimensions and holes | 36x36mm board; φ4mm holes with φ3mm grommetsDetailed F722 DUAL ICM20689 flight controller configuration. |
| Included aircraft | 1 × MARK4 HD5 QuadcopterBase supplied configuration. |
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