[Product description] Product Name: Specific Area Mixer UUM-204J Model Number: UUM-204J Details; Specifications: Usage Channels: 1-12, 13-28ch, 30-62ch, Impedance (Input) 1-12, 13-28ch: 75Ω(F shape) (output) 1-12 13-28 ch: 75 Ω (F shape) 30 - 62 ch: 75 Ω (F shape) Pass-Band loss 1 - 12 / 13 - 28 ch: less than 1.5 dB (FM / ch.1 - 12) / Below 6.0 dB (ch.13 - 28) 30 - 62 dB ~28ch: Above 10.0 dB 30 - 62 ch: 10.0 dB and above Input ATT 1 - 12 / 13 - 28 ch: 0, -10 dB 30 - 62 ch: 0, -10 dB VSWR 1 - 12 / 13 - 28 ch: 3.0 or less Dimensions: H82 0.1 inch (3 mm) Weight: 0.4.5 lbs (21 kg) Accessories: F-5 x 3, Waterproof Cap x 3, Note: For Kanto District