Frequency range::144-525 Mhz. Power ranges: 20/200 W. Measurement: Average- or PEP. Accuracy: +/- 10% full scale (+/- 15% 160-200 MHz) SWR measurement. Input impedance 50 ohm. Losses: < 0.13 dB. Dispaly size: 90x70 mm (bxh). Connectors: 2 x SO-239 Dimensions: 157x117x117 mm (bxhxd). Weight: 1 kg.