160MHz 100W SDR Transceiver Radio Switch Antenna Sharer TR Switch Box Kit with Cable Signal Device Set Accessory. Specification: Impedance: 50 Ω, Frequency range: DC - 160MHz, Maximum transmitting power: 100W, RF induction threshold: < 10MW, Opening time: < 20ms / release time: < 190ms, Insertion loss: < 0.3dB @ 144mhz, RX isolation: > 38dB @ 144mhz, Gas discharge protection, Power supply: 13.8V DC 200mA. Package includes: 1 x SDR Transceiver, 1 x 3.6CM SMA to SMA Connecting Line, 1 x PTT Control Line, 1 x Power Cord.