Product overview
The GEPRC Tern40 LR V2 O4 Pro is a 4-inch FPV flight platform intended for long-range aerial filming. Its deadcat frame arranges the aircraft for cleaner forward-facing shots, with a 186.7 mm wheelbase, 4 mm arms and plates measuring 1.5 mm, 2 mm and 1.5 mm at the top, middle and bottom. The integrated imaging equipment comprises a DJI O4 Air Unit Pro transmitter, camera module and antenna. A four-point suspended camera mount addresses vibration, while ventilated side plates support cooling around the installed equipment.
Flight electronics combine the GEPRC TAKER F722 45A 32Bit AIO with 1404 3000KV motors and HQProp T4X2.5Grey propellers. Procurement choices are PNP, ELRS 2.4G or ELRS 915M, each with GPS; equipment includes GEP-M10nano GPS and a configurable alarm buzzer. The O4 Pro PNP version weighs 178g±5g. The 12-minute flight-time figure applies with a LiHV 4S 720mAh battery and landing at 3.6V per cell. Supplied accessories include propeller sets, battery pads and straps, camera and BEC mounts, side plates, damping balls, spare fasteners and a screwdriver.
Specifications
| Specification | Value & conditions |
|---|---|
| Configuration options | PNP With GPS, ELRS 2.4G With GPS, ELRS 915M With GPS |
| Model | Tern40 LR V2 O4 Pro |
| Frame | Tern40 LR V2 Frame |
| Wheelbase | 186.7 mm |
| Top plate thickness | 1.5 mm |
| Middle plate thickness | 2 mm |
| Bottom plate thickness | 1.5 mm |
| Arm thickness | 4 mm |
| Flight controller | GEPRC TAKER F722 45A 32Bit AIO |
| MCU | STM32F722 |
| Gyroscope | ICM42688-P (SPI) |
| OSD | Betaflight OSD w/AT7456E |
| ESC | 32Bit 45A |
| Video transmitter | DJI O4 Air Unit Pro |
| Camera | DJI O4 Air Unit Pro Camera Module |
| Antenna | DJI O4 Air Unit Pro Antenna |
| Power connector | XT30 |
| Motors | 1404 3000KV |
| Propellers | HQProp T4X2.5Grey (2CW + 2CCW) |
| Weight | 178g±5gO4 Pro PNP version. |
| Receiver options | PNP / ELRS24 / ELRS915 |
| Recommended batteries | LiPo 4S 660mAh–850mAh / 18650 3000mAh |
| Flight time | 12 minutesWith a LiHV 4S 720mAh battery, landing at 3.6V per cell. |
| Product purpose and size class | GEPRC 4-inch long-range FPV drone for aerial filming |
| Frame layout | Deadcat frame designed for cleaner forward-facing shots |
| Camera suspension | Four-point suspended camera damping system intended to reduce vibration and improve footage stability |
| GPS | GEP-M10nano GPS |
| Buzzer | Built-in buzzer with configurable low-battery and lost-model alarms |
| Cooling architecture | Ventilated side plates for cooling |
| Supplied configuration and accessories | Flight platform supplied with 1 drone; 2 HQProp T4X2.5Grey propeller sets (2CW + 2CCW); 2 battery anti-slip pads; 1 spare screw pack; left and right 3D-printed camera mounts; 1 3D-printed BEC mount; left and right side plates; 4 silicone damping balls; 2 M11*150 mm and 2 M11*200 mm battery straps; and 1 hex 4-in-1 screwdriver. Spare screws: 4 M2*3.5 button-head hex screws with 7.5 mm washers, 4 M2*3.5 flat-head hex screws, 4 M2*5 flat-head hex screws, 12 M2*7 button-head hex screws, and 4 M2 hex nuts. |
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