Description
The Ruijie RG-ANT20S-90 is a high-gain sector antenna purpose-built for the RG-AirMetro Series wireless bridges, extending point-to-multipoint (PTMP) network coverage across large outdoor areas. It’s a strong fit for WISP deployments, video surveillance backhaul, and city-scale connectivity projects that need targeted, long-range signal in a defined coverage zone.
Featuring a powerful 20 dBi gain, the Ruijie RG-ANT20S-90 extends wireless reach up to 10 km, ensuring consistent, high-quality connectivity over long distances when paired with the RG-AirMetro550G-B base station. This makes it especially well suited for demanding PTMP networks spanning significant outdoor distances.
Coverage precision is where this antenna truly stands out. With a horizontal beamwidth of 90° and a vertical beamwidth of 7°, the RG-ANT20S-90 is tailored for sector-based wireless coverage, making it an ideal choice for connecting multiple remote locations within a clearly defined area rather than broadcasting in every direction.
Performance is further enhanced through dual-slant polarization, which maintains high data throughput even in crowded wireless environments—helping ensure critical video surveillance feeds and high-speed data links operate without signal degradation.
Built on 5 GHz dual-stream 2×2 MIMO technology, the antenna is engineered specifically to work with the RG-AirMetro550G-B wireless bridge base station, delivering enhanced throughput and reliability across every connected PTMP link.
Installation is designed for speed and simplicity. With a straightforward mounting system and one-touch pairing feature, along with app-based pairing support, setting up the RG-ANT20S-90 is quick and efficient, letting installers get a wireless network up and running with minimal delay.
Built for the outdoors, the RG-ANT20S-90 carries an IP55 rating, providing solid protection against dust and water. Industrial-grade weatherproof materials further protect internal components from UV rays, heavy rain, and strong winds, ensuring dependable performance in harsh environments.
Management is fully integrated with Ruijie’s all-in-one cloud management system, allowing administrators to remotely monitor, manage, and optimize the antenna’s performance, with real-time updates and easy troubleshooting from a single platform.
Altogether, the Ruijie RG-ANT20S-90 combines high-gain 90° sector coverage, long-range 10 km performance, and rugged IP55 durability, making it a smart choice for organizations building large-scale outdoor PTMP wireless networks.
RG-ANT20S-90 Hardware Specifications
RG-ANT20S-90 Antenna
| SpecificationDetails | |
|---|---|
| Antenna horizontal orientation | 90° |
| Antenna vertical orientation | 7° |
RG-ANT20S-90 Dimensions and Weight
| SpecificationDetails | |
|---|---|
| Product dimensions (W x D x H) | 139.9 mm x 48.9 mm x 694 mm (5.51 in. x 1.93 in. x 27.32 in.) (excluding mounting bracket) |
RG-ANT20S-90 Environment and Reliability
| SpecificationDetails | |
|---|---|
| Operating temperature | –40°C to +80°C (–40°F to +176°F) |
| Operating humidity | 5% RH to 95% RH (non-condensing) |
| MTBF | 400,000 hours (about 45 years) |
| IP rating | IP55 |



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