Apollo Command Module (Block II) Radio Frequency Transmission Line Switch, measuring approximately 5.5″ x 4″ x 3.25″, with a Transco tag on top: "Switch—RF XMSN Line, SP5T, MFG SN 090880000032, PN 245D30900, Ser. 32…Contr. No. NAS 9-150, NAA/S&ID Cont No. ME 452-0052-0122." The front panel features six ports, with a seventh on the side. Reverse bears a circuit diagram. This would allow for selection between different antennas for connection to the VHF radio. In fine condition.
From The Peter Gerry Collection.
