The 3N0401BK-033 antenna is manufactured by HJ Technology and is RoHS compliant. This antenna is designed for use in a number of wireless applications and is a medium gain dipole antenna. It features a high performance gain of 3.1 dBi, a gain bandwidth of 500-6000 MHz, and an impedance of 50 ohms. This antenna is durable, and features an IP68 waterproof rating. It is capable of handling high power levels, and can withstand shock, vibration, and temperature extremes. The 3N0401BK-033 is an ideal choice for a number of industrial, medical, and consumer applications.