SpeedyBee F405 V4 BLS 55A 30x30 FC & ESC Stack
SpeedyBee · MPN SB-F4V4-55-STACK · Maglev ID dr-speedybee-f405-v4-stack
CN Maker in China, factory not confirmed Not NDAA VERIFIED
Very common low-cost Betaflight FPV stack (F405 FC + 55 A BLHeli_S 4-in-1); now marked discontinued by the maker.
Specifications
| Processor | STM32F405 |
|---|---|
| IMUs | 1x ICM42688P |
| Weight | 10.5 g FC (ESC 23.5 g) |
| Interfaces | 6 UARTs (UART4 Bluetooth, UART5 ESC telemetry), baro, AT7456E OSD; 3-6S |
Who makes it
MakerSpeedyBee (Zhuhai KuaiFeng Technology Co., Ltd.)
Based inChina
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Loading duty data…
Compliance
| HTS classification | unknown |
|---|---|
| NDAA | non-compliant |
| Blue UAS | not-listed |
| FCC | n/a |
| Notes | Store footer names Zhuhai KuaiFeng Technology Co., Ltd. (China; footer also shows Hong Kong). A flight controller from a PRC-domiciled maker falls under NDAA §848 / ASDA. Marked 'Discontinued' on maker store. NDAA FY2020 §848 bars DoD use of UAS whose flight controllers, radios, data transmission devices, cameras, gimbals, ground control systems or operating software are made in a covered foreign country (incl. China) or by an entity domiciled there; FY2024 §1823 (American Security Drone Act) extends this to federal agencies. |
Equivalents from other makers
Works with
Sources
- https://www.speedybee.com/speedybee-f405-v4-bls-55a-30x30-fc-esc-stack/FC + ESC specs, SKU, price, maker name
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.