Features: Brand new and high quality The antenna is an ultra-wideband equiangular spiral + Archimedes circularly polarized antenna, which is divided into left-handed circularly polarized and right-handed circularly polarized antennas. It can be used for direction finding, spectrum analysis, signal analysis, navigation and positioning, broadband measurement, direction finding, etc. It provides 3-6dBi circular polarization directional gain in the frequency band range of 800MHz-8.5GHz. Low standing wave, high gain and remarkable performance. The connector adopts general SMA head, the mass is 50g, and the size is 100mmx110mm. Specifications: Material: ABS Style: Left Spiral, Right Spiral (optional) Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Isometric Helical Antenna