B-Link 2 Bluetooth Interface (011-0181-00)
The B-Link 2 Bluetooth Interface is a wireless adapter designed to program, tune, and update Castle ESCs via Bluetooth—no laptop needed. It offers improved connection speed, broader compatibility (including Cobra series), and secure, waterproof construction.
Key Features
Enables wireless programming & firmware updates for compatible Castle ESCs
Real-time viewing of data logs and parameter adjustment
Newly redesigned architecture and companion Castle Link 2 app
Compatible with Cobra, Talon, Copperhead, X-Series, most Mamba & Sidewinder ESCs, and CC BEC Pro / CC BEC 2.0
Secure & waterproof design, compact enough to remain installed
Supports profile sync across devices and models
Technical Specifications & Operating Details
Input voltage: 4.5 V to 13 V
Maximum continuous current: 10 A
Maximum burst current: 20 A
Dimensions (without wires): ~30.5 mm × 20.55 mm × 6 mm
Weight: ≈ 8 g
Operating environment: waterproof for field use
Passcode protection prevents unauthorized access
Not compatible with Castle Telemetry Link for Spektrum X-Bus or Futaba S.Bus2
Usage Notes
Requires the Castle Link 2 mobile app (iOS 12.0+ / Android 7.0+)
Must be used with ESCs or accessories that support Castle Link
Can stay installed in the model during operation
Ideal for field tuning, minimizing the need for wired programming
Covered by a 1-year manufacturer warranty
