The TX490-JK-11 with Antennas 108mmx9mm RoHS is an RF (Radio Frequency) antenna manufactured by ZIISOR. It is constructed of a high-quality metal, designed to be durable and reliable. This antenna is RoHS (Restriction of Hazardous Substances) compliant, meaning that it does not contain any hazardous materials. It has a maximum operating frequency of 4.9 GHz with an impedance of 50O. This antenna is designed to be easily integrated with wireless devices, to aid in networking and communication. It has a directional gain of 5dB and a half-power beamwidth of 60° (°H-plane), 80° (°E-plane). This antenna is designed to operate in indoor/outdoor environments.