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Industrial UWB RTLS for Real-Time Visibility
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Airport & Port Personnel Real-Time Location System (UWB RTLS)

Airports and seaports operate 24/7 with thousands of people on the ground: apron crews, maintenance, security, baggage and cargo teams, stevedores and yard workers. They move between terminals, gates, breakbulk and container yards, often working close to aircraft, cranes and heavy vehicles. Traditional radios and CCTV give only a partial picture of who is on site and where they are at any moment.

The Airport & Port Personnel RTLS uses UWB real-time location technology to provide live visibility of staff and contractors in terminals, on aprons and in port yards. Indoors, anchors are installed in passenger terminals, baggage halls, control rooms and maintenance buildings. Outdoors, robust anchors and wireless beacons cover aprons, gate areas, loading berths, Ro-Ro ramps and container blocks. Workers carry compact UWB badges, wristbands or helmet-mounted tags that update their position several times per second.

Solution Details

Industries
Aviation & Airports Transportation & Rail Warehousing & Logistics
Environments
Warehouse Yard Outdoor
Implementation
complex

Overview

Airports and seaports operate 24/7 with thousands of people on the ground: apron crews, maintenance, security, baggage and cargo teams, stevedores and yard workers. They move between terminals, gates, breakbulk and container yards, often working close to aircraft, cranes and heavy vehicles. Traditional radios and CCTV give only a partial picture of who is on site and where they are at any moment.

The Airport & Port Personnel RTLS uses UWB real-time location technology to provide live visibility of staff and contractors in terminals, on aprons and in port yards. Indoors, anchors are installed in passenger terminals, baggage halls, control rooms and maintenance buildings. Outdoors, robust anchors and wireless beacons cover aprons, gate areas, loading berths, Ro-Ro ramps and container blocks. Workers carry compact UWB badges, wristbands or helmet-mounted tags that update their position several times per second.

On top of the positioning layer, the GridRTLS platform supports practical operations and safety use cases: locating the nearest ground crew or technician, enforcing safety zones around aircraft and quay cranes, monitoring entry into restricted areas, and generating digital muster lists during emergencies. Historical tracks and heatmaps help operations and HSE teams review incidents, optimise routes and prove compliance to authorities and customers.

Pain Points

Limited visibility of ground staff across terminals, aprons and yards

Operations centers often know which shift is on duty but not where people are at this moment. When a task or incident occurs at a gate, stand or berth, dispatchers must call around to find available staff, and may not know who is closest or already nearby.

High risk environments around aircraft, cranes and heavy vehicles

Aprons, quay areas and yards concentrate moving equipment: pushback tractors, fuel trucks, forklifts, reach-stackers, straddle carriers and terminal tractors. Ground staff and dock workers have to work close to this traffic, often in poor visibility or tight time windows, increasing the chance of near-misses and accidents.

Slow headcount and mustering during emergencies

In case of fuel spills, cargo fires, security incidents or severe weather, supervisors must quickly check who is inside affected zones and whether they have reached assembly points. Manual muster boards and radio check-ins are slow and can miss contractors or external service providers.

Fragmented records for audits and investigations

Airport and port operators must prove compliance with safety procedures, access rules and training requirements. However, attendance logs, access control events and radio recordings are scattered across different systems, making it difficult to reconstruct who was on stand 12 or at berth B3 at a specific time.

System Architectures & Topology

Wired UWB RTLS for Airport Terminals, Aprons and Port Frontlines

Architecture ID: air_port_uwb_poe

Warehouse Yard Outdoor
  • Indoor SN2 and SW UWB anchors are installed in terminals, baggage halls, cargo buildings and control rooms, all powered by PoE switches.
  • Outdoor STD anchors are mounted on masts and structures along aprons, quay fronts and Ro-Ro ramps, creating a continuous UWB coverage strip where most personnel activities take place.
  • All anchors forward timestamped UWB ranging data over Ethernet or fibre to a central RTLS server located in the operations centre.
  • The system delivers high-accuracy positioning in indoor areas and along critical aprons and berths, supporting personnel safety and dispatch use cases without relying on public networks.

Key Advantages

  • High accuracy and stability in terminals and key outdoor frontline zones
  • Uses existing industrial network practices and does not rely on public mobile networks
  • Strong basis for extending to vehicle tracking and collision avoidance later
  • Clear separation of infrastructure between secure landside and airside or port areas

Limitations / When Not To Use

  • Coverage is concentrated around aprons, berths and nearby buildings; remote yards still require additional infrastructure
  • Installing anchors on masts and structures may require coordination with airport or port engineering authorities
  • For very large, low-density yards, hybrid architectures may be more economical

Notes: Recommended where the main requirement is high-accuracy personnel tracking in terminals and frontline areas close to aircraft and vessels.

Architecture Components / Layers

Sensing layer – Personnel tags

Ground staff, dock workers and security teams use GP badge tags or SH wristbands. Devices provide UWB positioning and SOS capability and are rated for outdoor and industrial use.

Indoor anchor layer – Terminal and building coverage

SN2 and SW anchors cover passenger terminals, baggage halls, cargo sheds and workshops. They are typically ceiling or wall mounted and powered via PoE switches, forming a dense mesh for accurate indoor positioning.

Outdoor anchor layer – Apron and quay coverage

STD dual-channel anchors are installed on light poles, building facades or quay structures to cover aircraft stands, fueling areas and pier fronts. Their longer range and dual-channel design suit linear layouts such as stands and quay lines.

Backbone and RTLS server layer

Anchors connect to industrial PoE switches and aggregation points. Data is forwarded over dedicated VLANs or fibre links to a redundant RTLS server in the operations centre, where positioning, zoning and alarm logic are executed.

Hybrid Airport & Port RTLS (UWB + Wireless Beacons + GPS)

Architecture ID: air_port_hybrid

Yard Outdoor
  • Indoors and around core aprons or berths, the system uses the same wired UWB anchors as in the primary architecture.
  • In extended aprons, container yards and remote parking or laydown areas, battery-powered wireless UWB beacons are installed on masts and structures, reducing the need for new cabling.
  • Hybrid UWB/GPS badges can be issued to staff who regularly move across large, open areas. UWB is used for precise positioning near anchors, while GPS provides coarse positions elsewhere.
  • Gateways and industrial routers backhaul data from wireless beacons to the RTLS server, giving operations centres a unified view of personnel across the whole airport or port.

Key Advantages

  • Extends RTLS coverage to large aprons and port yards without extensive new cabling
  • Same personnel tags can be used indoors, on frontline zones and in remote yards
  • Flexible: beacons and gateways can be relocated as layouts and traffic patterns change
  • Strong support for security, HSE and operations teams across the whole site

Limitations / When Not To Use

  • Requires adequate outdoor connectivity for gateways and routers
  • GPS accuracy is lower than UWB and can be affected by structures and weather
  • Battery-powered beacons and tags introduce maintenance tasks for replacement

Notes: Recommended for airports and seaports where personnel move across wide outdoor areas and remote yards in addition to core terminals and frontline zones.

Architecture Components / Layers

Hybrid tag layer – UWB/GPS personnel badges

UBK hybrid badges are assigned to ramp supervisors, yard controllers, security patrols and other roles that frequently move across the entire site. Indoors they behave like normal UWB tags; outdoors GPS helps maintain continuity in wide, open spaces.

Wireless beacon layer – Extended aprons and yards

WX wireless UWB beacons are mounted on lamp posts, fencing and yard structures. They form local UWB cells in remote or temporary areas such as remote stands, overflow container stacks or laydown yards, without requiring Ethernet cabling.

Gateway and backhaul layer

Industrial gateways and routers connect wireless beacons to the RTLS server over Wi‑Fi bridges, private LTE or wired links, depending on site infrastructure. This maintains coverage even when areas are far from existing network nodes.

RTLS server and applications

The same RTLS server used for wired UWB zones receives data from hybrid tags and wireless beacons. Operators see all personnel in a single map, with filters for terminals, stands, berths, yard blocks and assembly points.

Workflow

This workflow applies to all architecture options above. Specific hardware selection varies depending on the chosen architecture.

1

Operational survey and zone definition

Survey airport or port operations together with ground handling, terminal, security and HSE teams. Map buildings, terminals, gates, berths, yard blocks and vehicle routes. Define priority zones: terminal halls, baggage and cargo areas, active stands, fueling zones, quay crane working areas, Ro-Ro ramps, breakbulk sheds and container yards. Decide which zones need continuous RTLS coverage and which only need entry/exit detection.

Estimated time: 1–2 weeks depending on site size
2

UWB anchor and beacon deployment

Install indoor UWB anchors in terminals, baggage halls, cargo sheds, maintenance workshops and key corridors. Outdoors, deploy robust anchors on lighting masts, building facades and gantry structures to cover aprons, berths and yard blocks. In remote or temporary areas such as overflow yards, use wireless UWB beacons powered by batteries. Connect anchors via PoE switches and fibre or industrial wireless links back to the RTLS server in the operations centre.

Estimated time: 3–6 weeks for a mid-size airport or port
3

Tag assignment for staff, contractors and visitors

Issue UWB badges to ground staff, stevedores, security officers and technical teams. Use wristbands or helmet-mounted tags where hands-free use is preferred. Map each tag ID to an employee or contractor record, team, company and role (for example ramp agent, tug driver, crane electrician, security patrol). Configure different profiles for permanent staff, shift-based contractors and short-term visitors.

Estimated time: 1–3 weeks including registration and training
4

Safety rules, zones and integrations

Configure electronic zones around critical areas: aircraft stands, fueling zones, jet bridges, quay crane working envelopes, Ro-Ro ramps, rail tracks and dangerous goods storage. Define rules for unauthorised entry, over-stay, SOS button events and man-down detection. Integrate RTLS with existing SCADA, fire alarm, access control, TOS/GH systems or radio consoles where needed, so that operations centres receive location-enriched alerts and can dispatch the nearest available team.

Estimated time: 2–4 weeks including testing and integration
5

Pilot, optimisation and full roll-out

Start with one apron zone or a subset of terminals and berths. Validate positioning accuracy under real operations, including during low visibility or night shifts. Check how alarms behave around aircraft movements and vessel operations, and adjust refresh rates and zone boundaries where needed. Once stakeholders are satisfied, extend the RTLS to additional stands, berths and yards, and incorporate lessons learned into standard operating procedures.

Estimated time: 4–8 weeks depending on roll-out plan

Key Outcomes

-30–50% reduction
Time to locate nearest qualified staff
Dispatchers can see which ground crew, technician or security officer is closest to a gate, stand or berth.
-40% reduction
Emergency muster and headcount time
Digital muster lists shorten the time to confirm who is still in affected zones and who has reached assembly points.
+80–95% events detected
Unauthorised entries into restricted areas
Electronic geofences capture more unauthorised presence in safety-critical zones than manual patrols alone.
-70–90% reduction
Manual paperwork for patrol and attendance
Automatic presence and patrol histories reduce reliance on paper logs and ad-hoc radio notes.

Recommended Products

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SN2 UWB PoE Anchor

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SW UWB Anchor

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STD UWB Dual Channel Base Station

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WX UWB Wireless Positioning Beacon

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SH UWB Positioning Wristband Tag

The SH UWB Positioning Wristband Tag is a high-precision wearable device designed for real-time personnel tracking and safety monitoring in industrial environments such as factories, construction sites, and tunnels.

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GP UWB Positioning Employee Card

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UBK UWB + GPS Hybrid Positioning Badge

The UBK UWB + GPS Hybrid Positioning Badge is a rugged industrial-grade personnel tracking card designed for high-precision positioning in factories, warehouses, tunnels, and other demanding environments. It integrates UWB centimeter-level positioning with GPS outdoor positioning, features SOS emergency button, motion detection, TTS voice broadcast, 4G cellular communication, and optional NFC functionality. Equipped with a 3000mAh rechargeable battery and an IP66 protection rating, the UBK badge ensures reliable real-time personnel visibility and safety monitoring both indoors and outdoors.

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URT Hybrid Positioning Terminal

The URT Hybrid Positioning Terminal is an industrial-grade wearable tracking device that integrates UWB high-precision positioning, RTK centimeter-level positioning, GPS outdoor positioning, and 4G wireless communication. It provides real-time personnel tracking, SOS emergency alerts, TTS voice broadcasting, motion detection, and optional NFC/Lora/5G expansion. With an IP66 rugged design and a 3000mAh magnetic-charging battery, the URT terminal is ideal for complex industrial environments such as factories, tunnels, construction sites, rail transit, and energy facilities.

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Bill of Materials

Example BOM (based on the recommended architecture above)

ModelSummary
SN2 UWB PoE AnchorThe SN2 is an industrial‑grade UWB positioning anchor designed for high‑accuracy real‑time location systems. It supports Standard PoE or 12–24 V DC power, delivers sub‑meter performance (<30 cm LoS), and features an IP66 enclosure for harsh indoor/outdoor environments. Multiple mounting options (ceiling, wall, pole clamp) make deployment easy in factories, warehouses, and tunnels. Optional 4G/Wi‑Fi backhaul, AI video add‑on, and sound‑light alarm extend the anchor’s capability for safety and analytics. (Actual performance depends on anchor density, layout, and site RF conditions.)
SW UWB AnchorThe SW UWB Positioning Base Station is an industrial-grade device designed for sub-meter accuracy tracking of personnel, vehicles, and assets in factories, tunnels, and other complex environments.
STD UWB Dual Channel Base StationThe STD UWB Dual-Channel Base Station is an industrial-grade positioning device designed for tunnel, mining, and underground environments.
WX UWB Wireless Positioning BeaconThe WX UWB Wireless Positioning Beacon is a battery-powered industrial-grade UWB device designed for wireless deployment without cable installation.
SH UWB Positioning Wristband TagThe SH UWB Positioning Wristband Tag is a high-precision wearable device designed for real-time personnel tracking and safety monitoring in industrial environments such as factories, construction sites, and tunnels.
GP UWB Positioning Employee CardThe GP UWB Positioning Employee Card is a compact, intelligent badge-style positioning device designed for industrial personnel management and safety monitoring. Built on UWB (Ultra-Wideband) technology, it achieves 10–30 cm accuracy, supports real-time location tracking, and enables instant SOS alerts via a one-touch button. The device includes vibration reminders, motion/static detection, and optional NFC/RFID, E-ink display, and LoRa communication modules. With an IP66-rated enclosure and 900 mAh rechargeable battery, it operates continuously in demanding environments such as factories, construction sites, logistics parks, and tunnels.
UBK UWB + GPS Hybrid Positioning BadgeThe UBK UWB + GPS Hybrid Positioning Badge is a rugged industrial-grade personnel tracking card designed for high-precision positioning in factories, warehouses, tunnels, and other demanding environments. It integrates UWB centimeter-level positioning with GPS outdoor positioning, features SOS emergency button, motion detection, TTS voice broadcast, 4G cellular communication, and optional NFC functionality. Equipped with a 3000mAh rechargeable battery and an IP66 protection rating, the UBK badge ensures reliable real-time personnel visibility and safety monitoring both indoors and outdoors.
URT Hybrid Positioning TerminalThe URT Hybrid Positioning Terminal is an industrial-grade wearable tracking device that integrates UWB high-precision positioning, RTK centimeter-level positioning, GPS outdoor positioning, and 4G wireless communication. It provides real-time personnel tracking, SOS emergency alerts, TTS voice broadcasting, motion detection, and optional NFC/Lora/5G expansion. With an IP66 rugged design and a 3000mAh magnetic-charging battery, the URT terminal is ideal for complex industrial environments such as factories, tunnels, construction sites, rail transit, and energy facilities.
TXWG Industrial Communication GatewayA high-performance LPWAN-based industrial communication gateway designed for long-distance, low-power IoT communication. It supports LORA self-organizing networking, 4G cloud transmission, GPS time sync, multi-channel data forwarding, and explosion-proof applications.

Example Configuration

SN2 UWB PoE Anchor (Installed on ceilings and structures inside passenger terminals, baggage halls, cargo buildings and maintenance workshops to provide indoor coverage.)
Qty: 70
SW UWB Anchor (Used in large open interiors (hangars, large warehouses) and at covered aprons or quay sheds where robust housing and wider coverage are needed.)
Qty: 30
STD UWB Dual Channel Base Station (Mounted on lighting masts or structures along aprons, berths and yard lanes to provide long-range coverage for personnel in outdoor working areas.)
Qty: 24
WX UWB Wireless Positioning Beacon (Battery-powered beacons for remote or temporary areas such as overflow parking, remote stands or temporary container stacks, where pulling cables is difficult.)
Qty: 16
GP UWB Positioning Employee Card (Assigned to ground staff, supervisors, stevedores and key contractors for real-time tracking and zone control.)
Qty: 600
SH UWB Positioning Wristband Tag (Used for workers who need rugged, hands-free tags – for example dock workers handling mooring lines or ramp crews working under aircraft.)
Qty: 200

Compliance & Regulations

Support for airport and port safety procedures

Audit-ready incident and attendance history

Data privacy and role-based access

🌍 Industries using this solution

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