This amplifier provides 22 dB gain wherever you need it. DC power supply directly or via the coax cable. Metal housing included.
Specifications:

1. gain: 22dB
2. power supply: 12V to 15V / 3mA
3. input- and output impedance: 50 - 75ohm
4. frequency range: 10MHz to 150MHz
5. dimensions: 86 x 36 x 24mm / 3.4 x 1.4 x 0.9"

resistor_colour_code.pdf

module_diy_kit_guide.pdf

manual_hwsah2622.pdf