频率范围:10KHZ-3.5GHZ -114dbm~20dbm 分辨率:1KHZ 9成新 频率范围:10KHZ-3.5GHZZ Dynamic range: -116 dBm - +20 dBm 输入阻抗:50 欧姆 Residual FM:-80 dBc Resolution Bandwidth:1 kHz - 1 MHz Video Bandwidth:10 Hz - 1 MHz