15 rd booster requires only 0.5 watts of input capable of out 15 watts, the voltage of 13.8 volts it needs. in this series are made to work freq 87-108 mhz fm broadcast. but did not rule to be modified in other freq.
Electronic Circuit is a good site for hobbyist also who would like to try DIY because it shared good circuits. If you have a personalized circuit requirement you may feel free to request it through the comment box or contact me.