Yagi antenna frequency can customized 1.high gain 2.signal quality stability 3.Receiving distance 4.Anti-interference Our ... can work long time outdoor. Yagi antenna specification: Specification : Input Frequency:470-1100MHz (can select) Gain:7dBi,9.5dB, ... your services?Re: Factory supply directly,OEM service available,Supply high quality after sale services . More Information and products , please ...