... to corresponding module socket, the operator can easy set the output frequency and power level locally, and the LCD screen can ... by CNC, the shielding performance is superior. JH-UPC860H is high output (60dBmV) with 30dB adjustable range, power detection, LCD screen ... key-board interface. JH-UPC860L has smaller size, fixed low output (50dBmV), non-power detection, no LCD screen interface, and ...