Daiichi Dempa Kogyo Diamond SX600 Pass-Through SWR/Power Meter (1.8-525MHz, 2 Built-in Sensors)

Dimensions: W155 x H63 x D103 mm; Weight: 630 g; Frequency range: S1 (1.8-160 MHz), S2 (140-525 MHz) Power measurement range: 5W, 20W, 200W; Power measurement accuracy: ±10% (F.S); Sensor: 2-sensor system (S1/S2) SWR measurement minimum power: S1 (1W), S2 (4W) Insertion loss: S1 (0.2dB or less), S2 (0.3dB or less) Measurement functions: Forward power, reflected power, SWR, PEP monitor Input connector: M-J Lighting indicator: Illuminates when external DC13.8V sensor power supply is connected, and LEDs indicate sensor switching. Power supply: 13.8V *The 13.8V power supply is for lighting the meter and is not required for normal measurements.