BNC 4-way Switch Box.  Loss 0dB at DC, 2dB at 240MHz.  Made in Dorset UK.

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Spectrum Communications

Response from 2 or 3 to common is 0dB at DC and flat within 2dB from DC to 260MHz. Isolation between 2 & 3 is 26dB at 260MHz, and 30dB at 200MHz, 40dB at 80MHz, 46dB at 30MHz and 52dB at 10MHz. Isolation between 2 & 4 or 1 & 3 is 30dB at 260MHz, 37dB at 150MHz, 40dB at 125MHz, 50dB at 30MHz, and 56dB at 10MHz.

36 GBP