I purchased this $35 enclosed amplifier from AliExpress, put a 0 dBM signal in and received 35 dBM (3 Watts) output. The level was pretty even from 1 to 1000 MHz. Supply was 15 VDC.
I purchased this $35 enclosed amplifier from AliExpress, put a 0 dBM signal in and received 35 dBM (3 Watts) output. The level was pretty even from 1 to 1000 MHz. Supply was 15 VDC.