Used condition; may have wear and age related marks. See pics for condition / what’s included / testing conducted. Used vintage Anritsu MP59B 50 Ω manual coaxial transfer switch, serial M 79794, date-marked 1969/12. Official Anritsu specifications cover DC–3 GHz operation, insertion loss ≤0.2 dB below 1 GHz and ≤0.5 dB from 1–3 GHz, with isolation ≥55 dB below 1 GHz and ≥40 dB from 1–3 GHz. RF performance and contact repeatability have not been tested. Supplied as photographed. Includes x1 Anritsu MP59B manual coaxial switch