Backward wave tubes

OV-1 Frequency range 2,95-4,6cm Output power 15mW OV-12 Frequency range 5,6-6,0cm Output power 8mw OV-13 Frequency range 3,7-5,7cm Output power 5mW OV-14 Frequency range 3,0-3,8cm Output power 5mW OV-19 Frequency range 10170-6530MHz Output power 25mW OV-2 Frequency range 4,4-6,8cm Output power 20mW OV-20 Frequency range 6980-4420MHz Output power 45mW OV-21 Frequency range 1,5-1,66cm Output power 0,5mW OV-22 Frequency range 1,65-2,55cm Output power 1,2mw OV-24 Frequency range 1,14-1,67cm Output power 1mW OV-30 Frequency range 0,8-1,16cm Output power 1mW OV-32 Frequency range 0,56-0,81cm Output power 0,6mW OV-33 Frequency range 5550-8300MHz Output power 60mW OV-38 Frequency range 12420-6850MHz Output power 30mW OV-38A Frequency range 12420-6580MHz Output power 30mW OV-38B Frequency range 12420-8150MHz Output power 50mW OV-38V Frequency range 10345-7140MHz Output power 40mW OV-41 Frequency range 5000-2500MHz Output power 60mW OV-47 Frequency range 5,45-8,31cm Output power 10m OV-48 Frequency range 3,78-5,75cm Output power 10m OV-49 Frequency range 7,92-8,08cm Output power 50mW OV-51 Frequency range 2,832-1,416GHz Output power 18mW OV-52 Frequency range 5,0-2,5GHz Output power 20mW OV-603 Frequency range 4832-2500MHz Output power 30mW OV-604 Frequency range 2725-1540MHz Output power 40mW OV-605 Frequency range 18-36cm Output power 30mW OV-611 Frequency range 1000-488MHz Output power 200mW OV-619 Frequency range 9933-6860MHz Output power 20mW OV-620 Frequency range 7059-4477MHz Output power 25mW OVS-5 Frequency range 3,1-3,3cm Output power 30mW