Thermal interface - cheap thermal grease. Size 100 x 90 x 50(h) mm.
The item "50-70 MHz power amplifier 500W MRF300 with copper plate" is in sale since Thursday, October 8, 2020. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". The seller is "v_r3kr" and is located in Voronezh. This item can be shipped worldwide.