Russound Cam 6.6. Signal-to-Noise Ratio (SNR): 45 dB, Impedance: 6 Ом, Sensitivity: 20 dB. Connectivity technology: Wired. AM band range: 530 - 1710 kHz, FM band range: 89.7 x 107.9 MHz. Depth: 0.5 mm, Height: 9 mm, Weight: 8.1 kg. Dimensions (WxDxH): 43 x 30.5 x 9 mm