Product overview
The GEPRC MARK4 Drone for Freestyle FPV 4s/6s is supplied as a completely assembled and tuned quadcopter for freestyle FPV flying. Its GEP-Mark4 frame uses full 3K carbon fiber and an ultra-low center-of-gravity layout, with a 225mm motor-to-motor distance. The bottom, top and side plates are each 2.5mm thick, supported by a 2mm reinforcement plate and 5mm arm plates. Aircraft weight is 346g without a battery; a separate listed weight is 900 g, alongside dimensions of 300 × 200 × 100 mm.
The integrated electronics comprise a SPAN F722-BT-HD V2 flight controller with an STM32F722RET6 MCU and four 45A BLHeli_S ESC channels. This controller replaced the SPAN F722 HD on June 28, 2022. The FPV equipment includes a Caddx Ratel camera with a 2.1mm flat-head lens, a Momoda RHCP antenna and a 5.8GHz video transmitter offering 48 channels, IRC Tramp control and PIT/25/100/200/600mW settings. The ESC specification supports 3~6S LiPo power and lists Dshot 600/1200, PWM, Multishot and OneShot protocols.
Procurement choices include 4S motors rated at 2450KV or 6S motors rated at 1850KV, with battery specifications of 4S 1300~1550mAh and 6S 1050~1300mAh respectively. Receiver selections include Frsky XM+, Frsky R-XSR, Flysky FSA8SV2 and TBS Nano RX; the PNP configuration requires a separately purchased receiver. The supplied aircraft is a flight platform, with one MARK4 freestyle quadcopter included and G5*4.3*3 propellers specified as six pairs. A Hero 7/8 camera and its TPU printed camera mount are excluded, so these recording accessories require separate provision.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | GEPRC MARK4 Drone for Freestyle FPV 4s/6s |
| Supplied platform | Completely assembled and tuned freestyle FPV quadcopter |
| Included aircraft | 1 × MARK4 Freestyle Quadcopter |
| Aircraft weight | 346gWithout battery. |
| Additional listed weight | 900 g |
| Dimensions | 300 × 200 × 100 mm |
| Receiver options | PNP(Without Receiver), Frsky XM+, Frsky R-XSR, Flysky FSA8SV2, TBS Nano RX |
| Receiver requirement | Receiver must be purchased separatelyPNP configuration. |
| Motor options | 2306.5 2450kv 4S; 2306.5 1850kv 6S4S or 6S configuration, respectively. |
| Flight controller update | SPAN F722 HD replaced by SPAN F722-BT-HD V2Change dated June 28th,2022. |
| Frame and material | GEPRC GEP-Mark4; full 3K carbon fiber |
| Frame architecture | Ultra-low center-of-gravity design |
| Motor-to-motor distance | 225mm |
| Bottom plate thickness | 2.5mm |
| Top plate thickness | 2.5mm |
| Side plate thickness | 2.5mm |
| Reinforcement plate thickness | 2mm |
| Arm plate thickness | 5mm |
| Flight controller and MCU | SPAN F722-BT-HD V2; STM32F722RET6 |
| Gyro, OSD and firmware target | 6-Axis gyro; BetaFlight OSD; OMNIBUSF4SD firmware target |
| ESC | 45A * 4 BLHeli_S; Dshot 600/1200/PWM/Multishot/OneShotSupports 3~6S LiPo. |
| Video transmitter | 5.8GHz; 48 channels; IRC Tramp; PIT/25/100/200/600mW |
| 4S motor | GR2306.5 2450KV4S power configuration. |
| 4S battery specification | 4S 1300~1550mAh4S power configuration. |
| 6S motor | GR2306.5 1850KV6S power configuration. |
| 6S battery specification | 6S 1050~1300mAh6S power configuration. |
| FPV camera and lens | Caddx Ratel with 2.1mm flat-head lens |
| Propellers | G5*4.3*3; 6 pairs |
| Antenna | Momoda 5.8g RHCP |
| Excluded camera equipment | Hero 7/8 camera and TPU printed camera mount are not includedSupplied configuration. |
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