Specification Model No. : QHA.01 Part No. : QHA.01.A.0159111 Product Name : Screw Mount L-Band Quad Helix Antenna Features Permanent Screw Mount Passive for Transmitters & Receivers IP67 Diameter 92.5mm, Height 120mm 150mm LMR195 Cable - Customizable Output Connector: SMA (M) - Customizable RoHS Compliant DSP-18-8-007/A/PF Page 1 of 14 1. Introduction The QHA.01 L-band quadrifilar helix antenna is a versatile, high-performing passive L-band antenna. With excellent efficiency of nearly 70%, as well as superior axial ratio over a wide beamwidth, the QHA.01 provides a reliable solution for demanding L-band applications, even without the active front end. This wide-bandwidth antenna works well across a range of frequencies used for satellite navigation and telecommunications, including GPS, GLONASS, Beidou, and 1620 MHz SatCom. The QHA.01 is ready for outdoor industrial and commercial usage with a UV- resistant, IP67 waterproof housing rated for temperatures from -40 to +85C. Cables and connectors are customizable. Contact your regional Taoglas sales office for support. Quadrature Coupler Figure 1. QHA.01 block diagram DSP-18-8-007/A/PF Page 2 of 14