Technical WiFi guides
Deep, expert-led technical guides on guest WiFi, analytics, captive portals, and venue technology.
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Browse by topic
Start with the pillar guide for your project, then use the step-by-step guides below for the detail.
Guest WiFi guide
The master hub: deployment models, sign-in methods and compatibility with Cisco Meraki, HPE Aruba and Ruckus.
Captive portal guide
How captive portals authenticate guests, from click-through and social login to SMS and vouchers.
Enterprise WiFi security guide
WPA3 Enterprise, EAP-TLS, iPSK and PEAP compared, with where each one fits.
Multi-tenant WiFi guide
Per-resident networks for apartments, student housing and coworking, with iPSK and VLAN segmentation.
WiFi analytics guide
Measure footfall, dwell time and return visits from the access points you already run.
WiFi marketing guide
Turn guest WiFi sign-ins into consented first-party data for email, SMS and CRM campaigns.
431 guides

What is a WLC (Wireless LAN Controller) and Do You Still Need One?
This comprehensive guide explores the evolution of Wireless LAN Controllers (WLCs) and provides a technical framework for determining the right architecture in 2026. It covers traditional hardware, cloud-managed, and controller-less models, detailing their impact on compliance, scalability, and guest experience.

Power over Ethernet (PoE) for Access Points: An Implementation Guide
This guide provides infrastructure technicians, network architects, and IT decision-makers with a definitive technical reference for deploying Power over Ethernet (PoE) access points across enterprise venues including hotels, retail estates, stadiums, and public-sector facilities. It covers IEEE standards from 802.3af through 802.3bt, power budget calculation, cabling requirements, VLAN segmentation, and security compliance, with concrete implementation scenarios and measurable ROI benchmarks. Understanding PoE architecture is foundational to any [Guest WiFi](/guest-wifi) or [WiFi Analytics](/guest-wifi) deployment, as the reliability of the physical layer directly determines the quality of data capture, user experience, and operational uptime.

Mesh Network vs Access Points: Which is Better for Large Venues?
This technical guide provides a definitive comparison between mesh networks and traditional wired access points for large-scale venues, covering architecture, performance trade-offs, and deployment strategy. It equips IT managers, network architects, and CTOs with actionable frameworks to design high-performance, compliant WiFi infrastructures for hospitality, retail, events, and public-sector environments. The guide also maps these architectural decisions to Purple's hardware-agnostic guest WiFi and analytics platform, demonstrating how the right infrastructure choice drives measurable business outcomes.

Cisco Meraki vs. Aruba: A Technical Comparison for Guest WiFi
An authoritative technical comparison of Cisco Meraki and HPE Aruba for enterprise guest WiFi deployments. This guide provides actionable insights for IT managers and architects on architecture, authentication, network segmentation, and hardware-agnostic analytics integration.

Comparing Controller-Based vs. Cloud-Managed Access Points
This technical reference guide compares controller-based and cloud-managed Access Point architectures for enterprise environments. It provides IT leaders with a vendor-neutral framework for evaluating deployment models, total cost of ownership, and integration capabilities with guest intelligence platforms like Purple.

Access Point vs. Router: A Guide for Commercial Networking
This comprehensive guide explores the technical distinctions between access points and routers, providing actionable deployment strategies for commercial environments. It equips IT managers and venue operators with the knowledge required to architect scalable, secure, and high-performance wireless networks.

WiFi Repeater vs. Extender: Enterprise Use Cases
This technical reference guide provides a definitive comparison between WiFi repeaters and extenders for enterprise environments. It equips IT managers and network architects with the decision frameworks needed to deploy the right hardware for specific venue requirements, ensuring optimal performance, compliance, and ROI.

Heatmapping vs Presence Analytics: Technical Differences
This authoritative technical guide details the critical architectural and operational differences between WiFi heatmapping and presence analytics for enterprise venue operators. It provides IT leaders, network architects, and operations directors with actionable deployment frameworks, real-world implementation scenarios, and vendor-neutral best practices for extracting maximum ROI from their existing wireless infrastructure.

How to Calculate Dwell Time Using WiFi Location Analytics
This guide provides a comprehensive technical reference for calculating WiFi dwell time using WiFi location analytics, covering the full architecture from 802.11 probe request capture through RSSI-based trilateration to geofenced zone analysis. It is designed for IT managers, network architects, and venue operations directors who need to deploy accurate, scalable location intelligence across retail, hospitality, healthcare, and public-sector environments. Readers will gain actionable implementation guidance, real-world case studies, and a clear framework for translating raw spatial data into measurable business outcomes.

What is a Probe Request? Understanding How Devices Discover Networks
This technical reference guide provides a deep-dive into IEEE 802.11 probe requests, active versus passive scanning, and the impact of MAC randomization on venue analytics. It delivers actionable implementation strategies for network architects to optimize high-density deployments, mitigate probe storms, and ensure accurate, CCPA/CPRA-compliant data collection using authenticated identity layers.

How to Track Unique Devices on Enterprise Wireless Networks
This guide provides a comprehensive technical overview of tracking unique devices across enterprise wireless networks. It addresses modern challenges like MAC randomisation and details implementation strategies for venue operators and IT teams to maintain accurate analytics and user identification.

WiFi 6 vs WiFi 5: Does it Solve Channel Interference?
This guide provides a technical deep dive into how WiFi 6 (802.11ax) addresses channel interference in high-density enterprise environments through OFDMA and BSS Coloring. It equips IT managers, network architects, and CTOs with actionable deployment strategies, real-world case studies from hospitality and healthcare, and a framework for evaluating the ROI of infrastructure upgrades in venues where wireless performance is business-critical.

How MAC Address Randomisation Affects Guest WiFi Analytics
This guide provides a technical deep-dive into how MAC address randomisation impacts guest WiFi analytics. It offers practical strategies for IT leaders and network architects to restore visibility, ensure accurate metrics, and maintain compliance across large-scale deployments. Covering the mechanics of per-network and ephemeral randomisation, identity resolution architecture, and real-world deployment scenarios, this is the definitive reference for any organization relying on WiFi-derived spatial data.

5GHz DFS WiFi Channels: When to Use & Avoid in Enterprise
Learn how 5GHz DFS WiFi channels work, radar interference risks, CAC wait times, weather radar channels, and enterprise channel planning best practices.

How to Fix Slow WiFi Without Upgrading Your Internet Plan
A comprehensive technical reference guide for IT managers and network architects on optimizing enterprise WiFi performance without increasing ISP bandwidth. Covers RF tuning, client density management, QoS implementation, and how to leverage WiFi analytics to diagnose and resolve bottlenecks.

The Best WiFi Analyzer Tools for Troubleshooting Channel Overlap
This comprehensive guide provides IT managers and network architects with actionable strategies for identifying and resolving WiFi channel overlap in high-density environments. It evaluates the best WiFi analyzer tools and outlines a proven methodology for optimizing RF performance to ensure a seamless guest experience and maximize infrastructure ROI.

Why 5GHz is Faster but 2.4GHz is More Reliable
This comprehensive technical guide explores the architectural trade-offs between 2.4GHz and 5GHz wireless frequencies, providing actionable deployment strategies for IT managers and network architects. It covers the physics of frequency propagation, channel planning, band steering, and real-world implementation scenarios across hospitality, retail, and public-sector environments. Venue operators and CTOs will find concrete guidance on optimizing coverage, mitigating interference, and measuring ROI from their wireless infrastructure investments.

Managing Public IP Exhaustion in Student Housing
This guide provides a definitive technical reference for network architects deploying Carrier-Grade NAT (CGNAT) and Port Address Translation (PAT) to manage IPv4 exhaustion in dense Student Housing and multi-tenant WiFi environments. It covers NAT444 architecture, RFC 6598 shared address space, Port Block Allocation sizing, CCPA/CPRA-compliant logging strategies, and a dual-stack IPv6 migration path. The guide is essential for any operator managing hundreds or thousands of concurrent devices on a constrained public IP pool, providing actionable configuration guidance, real-world case studies, and ROI analysis.

Mitigating Rogue Access Points on Enterprise Networks
This technical reference guide details the architecture, deployment, and operational procedures for mitigating rogue access points on enterprise networks using Wireless Intrusion Prevention Systems (WIPS) and Wireless Intrusion Detection Systems (WIDS). It provides actionable frameworks for IT security administrators to detect, classify, and neutralize unauthorized APs across complex physical environments including hospitality, retail, healthcare, and public sector venues. The guide covers threat classification, automated containment mechanisms, compliance implications (PCI-DSS, CCPA/CPRA, HIPAA), and measurable business outcomes.

DNS Over HTTPS (DoH): Implications for Public WiFi Filtering
This technical reference guide explains how DNS over HTTPS (DoH) bypasses traditional port 53 content filtering on public WiFi networks. It provides actionable, vendor-neutral mitigation strategies for network architects and IT managers to regain visibility, enforce compliance, and secure guest access in enterprise environments.

How to Scan for WiFi Interference and Find the Best Channel
This comprehensive technical guide provides enterprise IT leaders with actionable methodologies for identifying RF interference and selecting the optimal 5GHz channels. It covers spectrum analysis, DFS considerations, and practical deployment strategies to maximise throughput and reduce latency without requiring new hardware investments.

How to Improve WiFi Speed Without Buying New Access Points
This guide details how enterprise venues can reclaim 30%+ of their WiFi bandwidth without purchasing new access points. By implementing DNS filtering, band steering, and QoS policies, IT teams can extend hardware lifespans, reduce CapEx, and improve network performance and security.

Reducing Latency on High-Density WiFi Networks
This guide details how eliminating unnecessary DNS lookups for tracking domains drastically lowers latency on high-density WiFi networks. It provides actionable architecture, implementation, and ROI guidance for IT leaders managing congested venue environments.

Why Your Stadium WiFi Grinds to a Halt (And How to Fix It)
This authoritative technical guide examines the root cause of stadium WiFi congestion - the simultaneous background chatter of 50,000 devices loading programmatic advertisements and telemetry - and provides a detailed architectural blueprint for deploying edge DNS filtering as the primary mitigation strategy. Designed for IT Directors, CTOs, and Network Architects, it delivers actionable implementation guidance, real-world case studies, and measurable ROI frameworks to help venue operators reclaim bandwidth and deliver high-performance connectivity at scale.
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