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| Specification | Details |
|---|---|
| Product Name | Holybro SiK Telemetry Radio V3 |
| Radio Type | SiK Telemetry Radio |
| Available Power / Frequency | 100 mW 433 MHz; 100 mW 915 MHz |
| 500 mW Versions | 433 MHz |
| Max RF Power | 20 dBm (100 mW) |
| Receive Sensitivity | −121 dBm @ 2 kbps; −105 dBm @ 64 kbps |
| Antenna Gain | 2 dBi |
| Line-of-Sight Range | Approx. 300–500 m with 2 dBi antenna |
| Frequency Band | 902–928 MHz or 414–460 MHz |
| RF Data Rate | 2–250 kbps |
| Serial Data Rate | 1.2–115.2 kbps |
| Default RF Data Rate | 64 kbps |
| Default Serial Rate | 57.6 kbps |
| Communication | 2-way full-duplex |
| Protocol | MAVLink / Standard framing |
| Interference Protection | FHSS, configurable duty cycle |
| Frequency-Hopping Channels | Up to 50 |
| Network Topology | Point-to-point |
| Network ID | 0–255 |
| Configuration | Mission Planner or AT Commands |
| Error Correction | Up to 25% bit-error correction |
| Serial Interface | 6-pin JST-GH, 3.3V TTL |
| USB | Micro-USB |
| RF Connector | RP-SMA female |
| Input Voltage | 5 V DC |
| Operating Temperature | −40°C to +85°C |
| Dimensions | 28 × 53 × 10.7 mm, without antenna |
| Weight | 23.5 g with antenna |
| Serial Interface | 3.3 V UART |
| Transmit Current | 100 mA @ 20 dBm |
| Receive Current | 25 mA |
| FCC ID | 2AP22-HT03-V3 |
