RFD900 Long-Range Telemetry
RFDesign offers long-range SiK-compatible telemetry radios. The radios provide reliable connectivity at greater than 5km ranges with normal antennas (and have been reported to achieve much greater ranges).

The raw modems expose bare pin headers, multiple vendors—along with RFDesign themselves—offer productized versions. Depending on your region and target deployment, several turn-key solutions and regional bundles are available:
Official RFDesign Store:
Productized Enclosures & Bundles:
- Bask Aerospace AeroLink System (Rugged, weather-resistant base station and drone adapters)
- IR-Lock RFD900x TXMOD V2 Bundle (Complete ground-to-air transmitter kit)