Holybro XBP9X Radio
Product Overview
The Holybro XBP9X Radio is a versatile telemetry module designed for reliable, long-range data communication. It can be easily configured using Digi's free XCTU software or simplified AT/API command sets. The radios offer secure data transmission with 256-bit AES encryption.
With RF line-of-sight ranging up to 65 miles* and strong interference blocking capabilities, the XBP9X Radio is ideal for applications requiring a combination of extended range, data redundancy, and high data reliability.
Key Features
- USB Type-C port with integrated USB to UART converter.
- 6-position JST-GH connector, allowing direct connection to Pixhawk4 flight controllers.
- On-board high voltage BEC, supporting DC7~35V power supply.
- Can be powered via USB or flight controller when operating in 100mW transmit power mode.
- UART transmission LED indicator.
- Three-stage RSSI LED indicator for signal strength monitoring.
- 256-bit AES encryption for secure data communications.
- DigiMesh networking topology for enhanced redundancy and reliability.
- Fully certified for use in unlicensed 900 MHz band.
Specifications
Specification | Details |
---|---|
Frequency Range | ISM 902 to 928 MHz |
Transmit Power (Software Selectable) | Up to 30 dBm* |
Channels | 10 hopping sequences share 50 frequencies |
RF Data Rate | Low data rate: 10 kb/s; Middle data rate: 110 kb/s; High data rate: 250 kb/s |
Maximum Data Throughput | High data rate: 120 kb/s |
Available Channel Frequencies | Low and middle data rate: 101; High data rate: 50 |
Receiver Sensitivity | Low data rate: -113 dBm; Middle data rate: -106 dBm; High data rate: -103 dBm |
Receiver IF Selectivity | Low data rate, +/- 250 kHz: 40 dB; Low data rate, +/- 500 kHz: 50 dB; Middle data rate, +/- 250 kHz: 30 dB; Middle data rate, +/- 500 kHz: 40 dB; High data rate, +/- 500 kHz: 30 dB; High data rate, +/- 1000 kHz: 45 dB |
Receiver RF Selectivity | Below 900 MHz and above 930 MHz: > 50 dB |
Rural Range Line of Sight | Low data rate: Up to 105 km (65 mi) |
Urban Range Line of Sight | Low data rate: Up to 18 km (11 mi) |
Indoor Range | Low data rate: Up to 300 m (1,000 feet) |
Modulation | Gaussian Frequency Shift Keying |
Spreading Technology | Frequency Hopping Spread Spectrum (FHSS) |
Supported Network Topologies (Software Selectable) | Peer-to-peer (master/slave relationship not required), point-to-point/point-to-multipoint, mesh |
Encryption | Optional 256-bit AES CBC encryption. Encryption is enabled with the ATKY command. |
Power and Status Indicators
Power
- Supply voltage: 5V DC from USB or 6-position JST-GH (100mW).
- Supply voltage: 7~35V DC from 4-position JST-GH (500mW or 1000mW).
- Transmit current: 300 mA/5V at 20dBm, 500mA/7V at 27dBm, 800 mA/7V at 30dBm.
- Receive current: 40 mA.
- Serial interface: 3.3 V UART.
- Dimensions: 51.9x35.4 x 11.5mm (without antenna).
- Note: When using 500mW or 1000mW output, a battery must be used for power supply to ensure stable transmission.
Status LEDs
The radios feature 6 status LEDs: one blue, two orange, and one green. Their states indicate module status and data activity.
Status LED (Green) - Heartbeat Indicator
- Green blinking: Module is alive.
- Green off or solid: Module is in a crash state.
RSSI LEDs (Blue) - Receive Signal Strength Indicator
RSSI | 25 (LED) | 50 (LED) | 100 (LED) |
---|---|---|---|
<25% | off | off | off |
25%~50% | on | off | off |
50%~85% | on | on | off |
85%~100% | on | on | on |
UART LEDs (Orange)
These LEDs indicate data transmitting or receiving over the UART interface.
Pinouts, Dimensions, and Antenna
Pinouts
Main Unit Pins:
- 1. VCC
- 2. RX
- 3. TX
- 4. CTS
- 5. RTS
- 6. GND
Power Pins:
- 1. BAT+
- 2. BAT+
- 3. BAT-
- 4. BAT-
Dimensions
The radio module measures 51.9 x 35.4 x 11.5 mm (excluding the antenna).
Antenna Specifications
Specification | Details |
---|---|
Model | QT900L |
Frequency Range | 902~928 MHz |
Band Width | 26 MHz |
Polarization | Vertical |
Gain | 3 dBi |
Input Impedance | 50Ω |
SWR | ≤1.5 |
Maximum Power | 20W |
Connector | RPSMA (female) |
Total Length | 19.6 cm (foldable antenna) |
Weight | 40g |