Experience the brand-new solution. The GEPRC TAKER F405 BLS 50A Stack features an innovative design that seamlessly integrates a high-performance STM32F405 flight controller with a heavy-duty 50A BLHeli_S 4-in-1 ESC. Engineered with user-friendly dual-side plug-and-play ports, it eliminates complex wiring, ensures a clean build, and delivers rock-solid reliability for your FPV freestyle and racing drones.
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Top highlights
STM32F405 Flight Controller：High-performance processing core delivers stable, responsive flight control for precise handling.
Direct DJI Air Unit Plug-and-Play：Solder-free integration simplifies installation, reduces build time and wiring clutter.
Dual Independent 9V/5V BEC: Provides clean, reliable power for your DJI FPV system and other onboard accessories.
GEP-BLS50A 4-in-1 ESC: 50A continuous current support enables smooth throttle response and powerful motor output.
ICM42688-P Gyro + 16MB Blackbox: Ensures accurate motion tracking and offers ample data logging for flight analysis and tuning.
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Description
FAQ
Bidirectional Dshot Tracking
Unlock ultimate stability. Supporting Bidirectional Dshot for real-time motor RPM telemetry, this stack enables precise RPM filtering to eliminate high-frequency noise and prop wash—delivering an incredibly locked-in flight experience.
Precision ICM42688-P Gyroscope
Fly with razor-sharp response. The stack integrates the industry-standard ICM42688-P gyroscope, offering high-speed sampling rates and ultra-low noise filtering to deliver a locked-in, wobble-free flight experience.
16MB Onboard Black Box
Tuning made effortless. Equipped with a 16MB onboard black box flash memory, it records comprehensive flight log data in real time, giving you the exact telemetry needed for precise PID and filter tuning.
Onboard TVS Protection
Fly with zero risk. Featuring an onboard TVS diode adjacent to the Type-C port, this stack effectively absorbs high-voltage spikes and power surges—safeguarding your crucial electronic components during aggressive flights.
Specifications
GEP-F405-HD v2 Flight Controller
● MCU: STM32F405
● IMU: ICM42688-P(SPI)
● Air Unit Connection: Direct plugging into DJI Air Unit
● Black Box: 16M onboard
● USB Connector: Type-C
● OSD: BetaFlight OSD w/ AT7456E chip
● BEC: 5V,9V dual BEC
● Firmware Target: GEPRCF405
● Size: 36.8×36.8mm, hole 30.5×30.5mm，φ4mm hole becomes φ3mm after using a silicone shock-absorbing circle.
● Input Voltage: 3-6S LiPo
● UART: 6
● Power Filter: Integrated LC filter
● Weight: 7.7g
GEP-BLS50A-4IN1 ESC
● Input Voltage: 3-6S Lipo
● Galvanometer: Support
● Continuous Current: 50A
● Burst Current: 55A（5s）
● Support Protocol: Oneshot125/Oneshot42/Mulishot modes/Dshot 150/300/600
● Size: 42.9×39.7mm, hole30.5×30.5mm，φ4mm hole becomes φ3mm after using the silicone shock-absorbing circle.
● Weight:13.7g
● Target: G_H_30
Recommendations:
Reviews
B****i
Verified
50A ESC feels strong enough for my 2207 motors on 6S. No desync so far and temps stayed normal after hard packs.
Specification：F405 BLS 50A
t************n
Verified
Clean throttle feel and stable gyro data. Setup took some care, but once wired correctly it has been rock solid.
Specification：F405 BLS 50A
Replied by MEPSKING:Thank you for the review. Careful wiring and setup help get the best reliability from an FC and ESC stack.
l*******x
Verified
Flown in warm weather and the stack stayed reliable. I used the capacitor and gave the ESC some airflow. No issues.
Specification：F405 BLS 50A
Additional reviews after 25
days
Still reliable after more packs. Temps are fine and no random resets so far.
h***y
Verified
Very good 50A stack for 5 inch freestyle. Motors sound smooth, power is strong, and the quad feels locked in.
Specification：F405 BLS 50A
Replied by MEPSKING:Thanks for sharing your flight results. We are happy the stack is giving smooth motor output and stable performance.
b*****s
Verified
Buon stack, clean layout and easy install. It fits nice in my freestyle frame and the included cables are helpful.
Specification：F405 BLS 50A
Additional reviews after 26
days
After about one month, still solid. No random resets and the USB-C port feels durable.
a****k
Verified
Sehr gutes Stack for FPV. ELRS signal and DJI video wiring were clean, and the 16M blackbox is useful for tuning.
Specification：F405 BLS 50A
Replied by MEPSKING:Thank you for your review. We are glad the stack is working well with your ELRS and DJI setup.
w**********r
Verified
Proper tidy stack for DJI builds. Plugging in the Air Unit saves time, and Type-C feels much better than old micro USB.
Specification：F405 BLS 50A
s****r
Verified
Works well in cold weather. The 9V and 5V BEC outputs are useful, and I have not had brownouts with my digital setup.
Specification：F405 BLS 50A
Replied by MEPSKING:Thanks for sharing the cold weather feedback. Stable BEC power is important for digital video and external devices.
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FAQFeel free to ask us any questions
ASK A QUESTION
Q: What is the GEPRC TAKER F405 BLS 50A Stack designed for?
A: The GEPRC TAKER F405 BLS 50A Stack is designed for 5-inch FPV freestyle and racing drones using 3–6S LiPo setups, offering plug-and-play DJI Air Unit support.
Q: Is this stack compatible with DJI O3 / Air Unit?
A: Yes — it supports direct plug-and-play DJI Air Unit / O3 systems, reducing soldering and wiring complexity.
Q: What makes this stack beginner-friendly?
A: Its plug-and-play design, Type-C USB, and pre-integrated wiring make it easier to build compared to traditional stacks.
Q: What flight controller chip does it use?
A: It uses the STM32F405 processor, known for stable performance and wide Betaflight compatibility.
Q: What gyro is used in this stack?
A: It features the ICM42688-P gyro, offering low noise and high precision for smooth flight control.
Verified
