KYOCERA AVX and Iridium have collaborated to introduce a new LDS cap antenna and evaluation board designed for use with Iridium Certus™ 9704 IoT modules. This antenna is specifically developed for low Earth orbit (LEO) satellite connectivity in IoT systems.
The antenna utilizes laser direct structuring (LDS) technology to create three-dimensional RF patterns on molded parts. It aims for a compact size, lightweight design, and wide operating bandwidth. Compared to traditional ceramic patch antennas in satellite IoT products, the LDS cap format offers reduced volume and weight. It supports right-hand circular polarization and maintains consistent gain across different satellite elevation angles, enhancing link performance. Additionally, it provides wider bandwidth and higher radiation efficiency than ceramic alternatives.
With a diameter of 35.7 mm, a height of 17.98 mm, and a mass of 6.85 g, the antenna is compatible with surface-mount assembly and allows for component mounting underneath, saving PCB space. It supports GNSS (1,559–1,610 MHz) and Iridium (1,616–1,626.5 MHz) bands, offering approximately 2 dBi peak gain, 60% efficiency, 4 W power handling, 50-ohm feed impedance, and an operating temperature range of −40°C to +85°C. The unit undergoes rigorous mechanical and environmental evaluations and meets RoHS and REACH requirements.
An evaluation board measuring 70 × 70 × 32.5 mm is available to facilitate system integration. Both the antenna and evaluation board are qualified for use with Iridium Certus 9704 products, including IoT modules and development kits.
Target applications for this technology include satellite-based IoT functions like telematics, asset tracking, remote monitoring, agriculture, and municipal infrastructure.
Filed Under: IoT
