The M1555 from Nisshinbo Micro Devices Inc. is a Magnetron with Frequency 3.04 to 3.06 GHz, Anode Voltage 7.2 to 8.5 kV(Peak), Peak Anode Current 6 to 12 A, Output Power 25 to 30 kW(Peak). Tags: Fixed Frequency. More details for M1555 can be seen below.