Direction: male to female. Female (center socket): signal output. Male header (center pin): signal input. Model (optional): 1dB, 2dB, 3dB, 5dB, 6dB, 10dB, 15dB, 20dB, 25dB, 30dB, 40dB, 50dB. Impedance: 50 ohms.
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