https://www.acantcomm.com/products/433mhz-terminal-antenna-with-n-male-connector-ac-q433-l20nz/ 433MHz Terminal Antenna With N Male Connector (AC-Q433-L20NZ) This is a tough antenna for outdoor or indoor applications. Measuring is 185mm tall. UHF antenna's revolutionary design features vertical polarization components. This antenna has low visibility, wide bandwidth and a low angle radiation pattern that is superior to traditional gain antennas in most applications. This technology is beneficial when high performance is desired and extreme ruggedness and low profile is required.