# Sentrax GmbH — BLE RTLS Hardware, Software and Indoor Positioning > Sentrax GmbH is a Swiss company that designs and supplies Real-Time Location Systems (RTLS) and IoT sensing products based on Bluetooth Low Energy (BLE). Its portfolio covers BLE Angle-of-Arrival (AoA) and RSSI locators and gateways (Zenix), BLE tags and anchor beacons (Pinix), bi-directional relay anchor nodes (Nodix / Bi-Link), an RTLS and IoT management platform with REST and WebSocket APIs (Solix), a mobile positioning SDK (POSIX), and a device configuration app (SDM). Systems support indoor and outdoor tracking, hybrid multi-level accuracy on a single tag, environmental sensing, on-premises or cloud deployment, and omlox / DeepHub interoperability. Sentrax sells primarily through system integrators and solution providers, serving healthcare, manufacturing, warehousing and logistics, smart buildings, and safety and security. Company: Sentrax GmbH, Platz 4, 6039 Root, Switzerland · +41 41 505 0065 · info@sentrax.com Canonical domain: https://sentrax.com (the `www` host redirects here) ## Start here - [Home](https://sentrax.com/): Overview of Sentrax BLE RTLS hardware, software and solutions. - [About Sentrax](https://sentrax.com/about-us/): Company background and positioning in RTLS and IoT. - [Contact](https://sentrax.com/contact-us/): Enquiry form covering sales, technical, and partnership requests by industry and region. - [Understanding RTLS](https://sentrax.com/understanding-rtls/): Introduction to real-time location systems and core concepts. - [Technology](https://sentrax.com/technology/): How Sentrax's BLE AoA, RSSI and hybrid positioning technologies work. ## Solutions by positioning method - [Proximity Tracking (BLE RSSI)](https://sentrax.com/solutions/proximity-track/): Zone and room-level location of people, equipment and assets using received signal strength. - [Accurate Tracking (BLE AoA)](https://sentrax.com/solutions/aoa-rtls/): Angle-of-Arrival positioning with multi-antenna locators for sub-meter accuracy. - [Hybrid Tracking (AoA + RSSI)](https://sentrax.com/solutions/hybrid-tracking/): Mixed accuracy levels across a single floor using one tag type — proximity where sufficient, sub-meter where required. - [Indoor Positioning (IPS)](https://sentrax.com/solutions/ips/): Phone-side positioning using anchor beacons and the POSIX mobile SDK, operable offline. - [Hybrid RTLS overview](https://sentrax.com/hybrid-rtls/): Summary of the hybrid multi-level accuracy approach. ## Industry applications - [All applications and use cases](https://sentrax.com/applications/): Index of industry use cases. - [Healthcare and hospitals](https://sentrax.com/applications/healthcare/): Equipment tracking, patient and staff tracking, SOS call localisation, infant protection, fall detection, hygiene monitoring, environmental sensing. - [Manufacturing and warehousing](https://sentrax.com/applications/manufacturing/): Staff safety, mixed indoor/outdoor tracking, 3D and rack-level inventory, equipment lifecycle and maintenance, evacuation guidance. - [Smart buildings and smart city](https://sentrax.com/applications/smart-city/): Inventory and asset tracking, automated check-in/out, visitor management, location-based notification, emergency responder guidance. ## Hardware — locators, gateways and scanners (Zenix) - [Locators and scanners category](https://sentrax.com/product-category/locators-scanners/): Full index of Zenix locator and gateway products. - [ZENIX LON-2](https://sentrax.com/product/zenix-lon-2/): Indoor BLE AoA locator and gateway with Wi-Fi and PoE; sub-meter positioning with on-device processing. - [ZENIX LOF-2](https://sentrax.com/product/zenix-lof-2/): Outdoor BLE AoA locator and gateway. - [ZENIX LEN-1](https://sentrax.com/product/zenix-len-1/): Indoor BLE RSSI locator and gateway for simple, low-cost deployment. - [ZENIX LEN-2](https://sentrax.com/product/zenix-len-2/): Indoor BLE RSSI locator and gateway with optional climatic, motion and light sensors; also scans Bi-Link anchor nodes. - [ZENIX LEF-3](https://sentrax.com/product/zenix-lef-3/): Outdoor BLE locator and gateway with LTE and GPS, IP67 rated. ## Hardware — tags, beacons and anchor nodes (Pinix, Nodix) - [Beacons and tags category](https://sentrax.com/product-category/beacons-tags/): Full index of Pinix tags and anchor beacons. - [Bi-Link anchor category](https://sentrax.com/product-category/bilink-anchor/): Bi-directional relay anchor nodes. - [NODIX CEN-1](https://sentrax.com/product/nodix-cen-1/): Battery-powered bi-directional BLE anchor node. Deployed in rooms as a relay to a central hallway scanner, giving room-level presence detection without a scanner in every room and without additional wiring. - [PINIX TEN-2](https://sentrax.com/product/pinix-ten-2/): Indoor anchor beacon for RSSI positioning and mobile-side indoor positioning. - [PINIX TEF-1](https://sentrax.com/product/pinix-tef-1/): Outdoor anchor beacon, IP67 rated. - [PINIX TOP-5](https://sentrax.com/product/pinix-top-5/): Smart-card format BLE badge tag for personnel, with temperature and accelerometer sensing. - [PINIX TOW-1](https://sentrax.com/product/pinix-tow-1/): BLE AoA/RSSI asset tag with MEMS sensors. - [PINIX TOW-5](https://sentrax.com/product/pinix-tow-5/): BLE AoA/RSSI asset tag variant with MEMS sensors. - [PINIX TOK-1](https://sentrax.com/product/pinix-tok-1/): BLE tag; see the product page and datasheet for form factor and sensor configuration. - [Full product catalogue](https://sentrax.com/products/): All hardware and software products. ## Software — platform, SDKs and apps - [SOLIX RTLS and IoT Management Platform](https://sentrax.com/product/solix/): Device management, configuration, live 2D map tracking, environmental monitoring, device health monitoring, geofencing, alerts and rule-based automation. Available as Sentrax-hosted cloud or on-premises. - [SOLIX RTLS Integration SDK / middleware](https://sentrax.com/product/solix-rtls-sdk/): REST and WebSocket APIs and backend modules for forwarding location and sensor data into ERP, MES, WMS and other enterprise platforms. - [POSIX Positioning SDK](https://sentrax.com/product/posix/): Android and iOS SDK for BLE positioning and sensor data streaming inside customer mobile apps; supports offline operation and overlay on floor-plan images or 3D indoor maps. - [SDM — Sentrax Device Manager](https://sentrax.com/product/sdm/): Mobile app for configuring, maintaining and updating beacons and tags, with single and bulk scanning. Available for Android and iOS. ## Evaluation kits - [Evaluation kit category](https://sentrax.com/product-category/evaluation-kit/): Index of available kits. - [BLE AoA Evaluation Kit](https://sentrax.com/product/ble-aoa-eval-kit/): Out-of-the-box AoA RTLS trial with locators, tags and Solix access. - [BLE RSSI Evaluation Kit](https://sentrax.com/product/ble-rssi-kit/): Proximity tracking and environmental sensing trial kit. - [BLE evaluation kits overview](https://sentrax.com/docs/ble-evaluation-kits-overview/): What each kit contains and how to choose between them. - [BLE AoA RTLS startup guide](https://sentrax.com/docs/ble-aoa-startup-guide/): Step-by-step hardware installation, tag configuration and Solix setup. ## Technical documentation - [Documents index](https://sentrax.com/documents/): Entry point for datasheets, user guides and integration guides. - [Hardware portfolio overview](https://sentrax.com/docs/product-portfolio-overview/): Consolidated hardware reference. - [Software platform overview](https://sentrax.com/docs/software-overview/): Consolidated software reference. - [Integration guides overview](https://sentrax.com/docs/integration-guides-overview/): Setup and deployment integration documentation. - [BLE tag integration and selection guide](https://sentrax.com/docs/ble-tag-integration-guide/): Choosing and deploying tag types. - [Support](https://sentrax.com/support/): Support entry point. - [Product documents](https://sentrax.com/support/product-documents/): Product documentation library. - [User guides](https://sentrax.com/support/user-guides/): User guide library. - [FAQs](https://sentrax.com/faqs/): Common questions on products, software, use cases and partnership. - [RMA / returns](https://sentrax.com/sentrax-rma/): Return material authorisation process. ## Datasheets (PDF) - [Zenix LON-2 specifications](https://sentrax.com/docs/datasheets/Zenix%20LON-2%20Device%20Specifications.pdf) - [Zenix LOF-2 specifications](https://sentrax.com/docs/datasheets/ZENIX%20LOF-2%20Device%20Specifications.pdf) - [Zenix LEN-1 specifications](https://sentrax.com/docs/datasheets/Zenix%20LEN-1%20Device%20Specification.pdf) - [Zenix LEN-2 specifications](https://sentrax.com/docs/datasheets/Zenix%20LEN-2%20Device%20Specification.pdf) - [Zenix LEF-3 specifications](https://sentrax.com/docs/datasheets/Zenix%20LEF-3%20Device%20Specification.pdf) - [Nodix CEN-1 specifications](https://sentrax.com/docs/datasheets/NODIX%20CEN-1%20Device%20Specification.pdf) - [Pinix TEN-2 specifications](https://sentrax.com/docs/datasheets/PINIX-TEN-2%20Device%20Specifications.pdf) - [Pinix TOW-1 specifications](https://sentrax.com/docs/datasheets/PINIX%20TOW-1%20Device%20Specifications.pdf) - [Pinix TOP-5 specifications](https://sentrax.com/docs/datasheets/PINIX%20TOP-5%20Device%20Specifications.pdf) - [Solix Suite datasheet](https://sentrax.com/docs/datasheets/Solix%20Suite%20Datasheet.pdf) - [POSIX SDK datasheet](https://sentrax.com/docs/datasheets/POSIX%20SDK%20Data%20Sheet.pdf) - [SDM — Sentrax Device Manager datasheet](https://sentrax.com/docs/datasheets/SDM%20-%20Sentrax%20Device%20Manager%20Data%20Sheet.pdf) - [Solix brochure](https://sentrax.com/docs/brochures/Solix-Brochure-V2.0.pdf) - [Hybrid RTLS brochure](https://sentrax.com/docs/brochures/Hybrid%20RTLS%20Brochure.pdf) - [BLE AoA brochure](https://sentrax.com/docs/brochures/BLE-AoA-Brochure.pdf) - [BLE RSSI brochure](https://sentrax.com/docs/brochures/BLE%20RSSI%20BROCHURE.pdf) ## Technology comparisons and selection guides - [RTLS technology comparison: BLE vs UWB vs RFID](https://sentrax.com/technology-comparison-rtls-technologies-for-business-ble-vs-uwb-vs-rfid/): Trade-offs across accuracy, cost, infrastructure and use case. - [UWB vs BLE 5.1 for indoor positioning](https://sentrax.com/uwb-vs-ble-5-1-navigating-the-future-of-indoor-positioning/): Direct comparison of the two direction-finding approaches. - [Choosing an RTLS platform beyond basic asset tracking](https://sentrax.com/how-to-choose-the-right-rtls-platform-moving-beyond-basic-asset-tracking/): Platform selection criteria. - [Choosing RTLS technology for a healthcare facility](https://sentrax.com/guide-to-choosing-the-right-rtls-technology-for-your-healthcare-facility/): Hospital-specific selection guidance. - [How hybrid BLE RTLS (AoA + RSSI) is redefining location intelligence](https://sentrax.com/how-hybrid-ble-rtls-aoa-rssi-is-redefining-location-intelligence/) - [Combining AoA and RSSI for hybrid RTLS](https://sentrax.com/combining-aoa-and-rssi-revolutionizing-location-based-services-with-hybrid-rtls/) - [Full analysis of the Sentrax BLE RTLS tag portfolio](https://sentrax.com/a-full-analysis-of-sentraxs-ble-based-rtls-tag-portfolio/): Tag types, gateway pairing and omlox DeepHub interoperability. - [3D tag tracking in BLE AoA systems](https://sentrax.com/enhancing-indoor-localization-with-3d-tag-tracking-in-ble-aoa-systems/): Elevation and azimuth positioning. ## Healthcare and industry deep-dives - [BLE RSSI and BLE AoA in hospitals](https://sentrax.com/ble-rssi-and-aoa-in-hospitals/) - [RTLS transforming healthcare in Europe](https://sentrax.com/rtls-transforming-healthcare-in-europe/) - [RTLS in smart hospitals under Saudi Vision 2030](https://sentrax.com/rtls-smart-hospitals-saudi-arabia-vision-2030/) - [Sentrax hybrid RTLS and INDUTRAX IAE integration](https://sentrax.com/bluetooth-aoa-rssi-meets-iae/) - [Cold chain visibility with Sentrax and MokoSmart](https://sentrax.com/how-sentrax-and-mokosmart-deliver-end-to-end-cold-chain-visibility/) - [Blog index](https://sentrax.com/blog/): All technical articles and insights. - [White papers](https://sentrax.com/whitepapers/): Long-form technical and market papers. - [Newsletters](https://sentrax.com/newsletter/): Monthly product and partner updates. ## Partners and channel - [Partners](https://sentrax.com/our-partners/): Technology and distribution partners. - [Partnership programme](https://sentrax.com/partnership-program/): How system integrators and solution providers work with Sentrax. ## Optional - [Careers](https://sentrax.com/careers/) - [Privacy policy](https://sentrax.com/privacy-policy/) - [Terms and conditions](https://sentrax.com/terms-conditions/)