The M1568B(J) from Nisshinbo Micro Devices Inc. is a Magnetron with Frequency 9.38 to 9.44 GHz, Anode Voltage 7.2 to 8.5 kV(Peak), Peak Anode Current 6 to 10 A, Output Power 22.5 to 25 kW(Peak). Tags: Fixed Frequency. More details for M1568B(J) can be seen below.