Features 1.With this known RF SWR Bridge board, you can measure in thru-mode filters, amplifiers and in reflective mode antennas, impedances, inductance, capacitance and impedance matching etc. 2.Can be used with HiQSDR or compatible SDR Transceivers with N2ADR software and NWT series of USB RF Analyzers. 3.Fine workmanship and good performance. 4.Easy to use. 5.Long service life. Specification Features: 1. With this known RF SWR Bridge board, you can measure in thru-mode filters, amplifiers and in reflective mode antennas, impedances, inductance, capacitance and impedance matching etc. 2. Can be used with HiQSDR or compatible SDR Transceivers with N2ADR software and NWT series of USB RF Analyzers. 3. Fine workmanship and good performance. 4. Easy to use. 5. Long service life. Specifications: Condition: brand new Working frequency: 0.1- 3000MHZ Return loss: more than 35db Connector: SMA PCB board size: approx. 45*90mm/1.77*3.54in Package List: 1 * RF SWR Reflection Bridge Package List