If the photograph is clicked, it grows.

HP 11664C Detector adaptor JPY45,000　1stock	net010

Detector adaptor HP8756A 8657 with External Detector Detector BNC-Input 50ohms Detector type :Low Barrier Schottkey,Point contact crystal,Planer doped detector Bisa current +-50uA Max input voltage +-10V Length 122cm 170g