Feature:
Frequency:80-108MHz
Impedance:75Ohm Nominal
V.S.WR:2.0:1MAX
Return Loss:-10dB MAX
Radiation:Direct
Gain(Peak):25-30dB
Cable Loss:2.5dB/m Max #1575.42MHz 
Polarization:Right-handed Circular
Current Consumption:35mA
Voltage:12V
With this adaptor,you will have better radio reception.

Package included:
1xAntenna Signal Amplifier Booster