Technical Guides
Deep, expert-led technical guides on guest WiFi, analytics, captive portals, and venue technology.
366 guides
Troubleshooting 802.1X Authentication Failures (RADIUS/EAP)
This guide provides a comprehensive, actionable reference for IT managers, network architects, and venue operations directors on diagnosing and resolving 802.1X authentication failures across RADIUS and EAP infrastructure. It covers the full authentication chain — from supplicant misconfiguration and certificate expiry to RADIUS shared secret mismatches and network transit fragmentation — with real-world case studies from hospitality and retail environments. Teams responsible for PCI DSS compliance, WPA3-Enterprise deployments, and multi-site network access control will find structured diagnostic frameworks, implementation checklists, and risk mitigation strategies directly applicable to their operations.
How to Identify and Resolve Co-Channel Interference (CCI)
Co-channel interference (CCI) is the leading cause of degraded throughput and elevated latency in high-density enterprise WiFi deployments, occurring when multiple access points share the same frequency channel and are forced into CSMA/CA contention. This guide provides network architects, IT managers, and venue operations directors with a structured, vendor-neutral framework for identifying CCI through RF diagnostics and analytics, and resolving it through channel planning, transmit power optimisation, data rate management, and physical AP placement. Mastering CCI resolution is a prerequisite for delivering reliable guest WiFi, operational connectivity, and measurable ROI across hotels, retail chains, stadiums, and public-sector facilities.
How to Implement Time and Bandwidth Restrictions on Guest WiFi
An authoritative technical reference guide on implementing time and bandwidth restrictions on enterprise guest WiFi networks. This guide provides actionable architectural blueprints, vendor-neutral configurations, and real-world case studies to help IT leaders balance network performance, security compliance, and visitor experience.
Monetising Guest WiFi Through Data Analytics and Splash Pages
This authoritative guide provides IT managers, network architects, and CTOs with a comprehensive technical framework for transforming guest WiFi from a cost centre into a high-yield first-party data asset. It outlines network architecture, data analytics integration, captive portal optimisation, and global compliance strategies to drive measurable venue revenue.
The Ultimate Guide to Secure Guest WiFi Architecture
This guide provides IT managers, network architects, and CTOs at hotels, retail chains, stadiums, and public-sector organisations with a complete technical blueprint for deploying secure enterprise guest WiFi. It covers the three core architectural pillars — network segmentation, WPA3-OWE encryption, and identity-aware access control — alongside PCI DSS and GDPR compliance requirements, real-world case studies, and step-by-step deployment guidance.
VLAN Segmentation Best Practices for Multi-Tenant Environments
This guide provides IT managers, network architects, CTOs, and venue operations directors with an authoritative, vendor-neutral blueprint for implementing VLAN segmentation in multi-tenant WiFi environments. It covers the IEEE 802.1Q standard, Dynamic VLAN Assignment via 802.1X and RADIUS, and step-by-step deployment guidance for hospitality, retail, stadium, and public-sector venues. Proper VLAN segmentation is the foundational control for PCI DSS and GDPR compliance, lateral movement prevention, and delivering high-performance wireless connectivity across shared physical infrastructure.
Captive Portal vs Splash Page
This authoritative guide breaks down the critical distinction between captive portals and splash pages in guest WiFi networks. It clarifies how the underlying network interception mechanism works in tandem with the visual guest interface, helping IT leaders and venue operators make informed architectural and procurement decisions.
Managing BYOD (Bring Your Own Device) Security on Staff Networks
An authoritative, technical reference guide for enterprise IT managers and network architects on securing Bring Your Own Device (BYOD) access on staff networks. This guide outlines the exact network architecture, authentication protocols, and MDM integration workflows required to mitigate data leakages and maintain regulatory compliance across high-footfall venues.
Captive Portal for Cisco Meraki
An authoritative, intermediate-level technical reference guide for integrating Cisco Meraki MR access points with Purple's cloud captive portal. Covers step-by-step Meraki Dashboard configurations, RADIUS server settings (ports 1812/1813), walled garden wildcard domain exceptions, and session timeout parameters for high-performance guest WiFi deployments.
How to Implement 802.1X Authentication with Cloud RADIUS
This technical reference guide provides a comprehensive framework for implementing 802.1X authentication with Cloud RADIUS across distributed enterprise estates. It details the architecture, EAP method selection, deployment sequencing, and risk mitigation strategies required to secure network access while eliminating the operational overhead of on-premises infrastructure.
What is Cloud RADIUS? A Comprehensive Guide to RADIUS as a Service
This comprehensive guide explores Cloud RADIUS (RADIUS as a Service), detailing its architecture, EAP methods, and implementation strategies. It provides IT leaders with actionable insights on migrating from on-premise servers to a scalable, secure, and compliant cloud-based authentication model.
Migrating from On-Premises RADIUS (NPS) to RADIUS as a Service
This authoritative guide details the technical architecture, implementation methodology, and business impact of migrating from on-premises Microsoft Network Policy Server (NPS) to a cloud-native RADIUS as a Service model. It provides IT leaders and network architects with practical frameworks to reduce operational overhead, eliminate single points of failure, and secure enterprise authentication across distributed venues.
Understanding RSSI and Signal Strength for Optimum Channel Planning
This guide provides a comprehensive technical deep-dive into RSSI, Signal-to-Noise Ratio (SNR), and RF propagation principles for optimum channel planning. It equips IT managers, network architects, and venue operations directors with actionable strategies to mitigate Co-Channel and Adjacent Channel Interference, optimise AP placement, and leverage analytics for measurable business impact across hospitality, retail, and public sector environments.
Privacy by Design: Anonymising WiFi Data for GDPR Compliance
This authoritative guide details the technical architecture and implementation strategies for anonymising WiFi data to ensure GDPR compliance. It provides IT leaders and network architects with actionable frameworks for balancing robust venue analytics with strict data privacy requirements.
20MHz vs 40MHz vs 80MHz: Which Channel Width Should You Use?
This guide provides a definitive, vendor-neutral technical reference for IT managers, network architects, and venue operations directors on selecting the correct WiFi channel width — 20MHz, 40MHz, or 80MHz — across enterprise deployments in hospitality, retail, events, and public sector environments. It covers the underlying IEEE 802.11 mechanics, real-world capacity trade-offs, and step-by-step deployment guidance to help teams make the right call this quarter. Understanding channel width selection is one of the highest-impact decisions in any wireless LAN design, directly impacting throughput, interference, client density support, and the reliability of guest-facing services.
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-marketing-analytics-platform) 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.
The Best Wi-Fi Access Points for Enterprise and Homelabs
This technical guide evaluates the best enterprise Wi-Fi access points for 2025-2026, covering Wi-Fi 6E and Wi-Fi 7 hardware from Cisco, HPE Aruba, Ruckus, Juniper Mist, and Ubiquiti across high-density hospitality, retail, and public venue deployments. It provides actionable architecture strategies, vendor comparisons, security frameworks, and ROI metrics for IT leaders building next-generation wireless networks. Purple's hardware-agnostic guest WiFi and analytics platform is mapped throughout as the intelligence layer that transforms network infrastructure into a first-party data asset.
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 v. 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 assessing 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 v. 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 correct 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.