Features 1、SMOOTHER DATA TRANSMISSION AND RECEPTION: High gain suction cup antenna possess good signal through the wall, smoother data transmission and reception, and longer communication distance 2、EASY TO INSTALL: Magnetic base is easy to install and widely used, provide great convenience for your life 3、FIRM AND DURABLE CONNECTION: Antenna base adopt brass screw connector, signal transmission is more stable, connection is firm and durable 4、CORROSION RESISTANCE: Made of stainless steel material, possess corrosion resistance, good mechanical properties, and high strength 5、5.0DBI GAIN: RG174 antenna possess 5.0dBi gain, S.W.R. less than 1.5, input impedance for 50 ohm, and adopt SMA plug Specification Item Type: Wireless Module Antenna Product Material: Stainless steel Gain: 5.0dBi S.W.R.: <1.5 Input Impedance: 50ohm Cable Type: RG174 Connector Type: SMA plug straight Model Applicable frequency Antenna height Cable length 433MHz(TB450) 315MHz/433MHz/470MHz 145mm / 5.71in 1.5meter / 4.9ft 868MHz(TB451) 868MHz/915MHz 110mm / 4.33in 1meter / 3.3ft Package List 1 x Wireless Module Antenna