Compact 9 To 1 Balun With Input Protection In Aluminum Enclosure For HF And Shortwave Antennas, Budget Friendly For SDR Setups Like RTL SDR, SDRPlay And Ham It Up Upconverter, Includes Three Antenna Adapters And SMA Barrel Connector
✔️ Single unit balun in aluminum enclosure with 3 adapters
This compact 9:1 balun connects long-wire or dipole HF antennas to HF-capable SDRs or upconverters. It’s a budget-friendly option for RTL-SDR, SDRPlay and Ham It Up setups.
✅ 9:1 balun for HF antennas to SDRs and Ham It Up upconverters
✅ Aluminum enclosure, compact 38mm x 25.0mm footprint
✅ Includes 3 antenna connector adapters and a male SMA to male SMA barrel connector
✅ Low insertion loss, max input power +24dBm, supports up to 80MHz+
✅ AntennaGuard input varistor provides ESD protection (IEC61000-4-2, 8kV)
✅ Made in North America; ideal for budget SDR setups like RTL-SDR, SDRPlay
💡 What is a 9:1 balun used for in HF SDR setups? This handy device helps match impedance between long-wire or dipole HF antennas and SDR inputs.
- Impedance matching from unbalanced to balanced input
- Supports HF bands up to 80 MHz+ with low insertion loss
- Built-in input protection and aluminum enclosure for rugged use