An access point (AP) connects wireless devices to a wired LAN, enabling seamless Wi-Fi connectivity. Enterprise access points provide secure, high-performance, and scalable networking, often using PoE, VLANs, and cloud management to support modern workplaces and IoT environments.
What is an Access Point?
An access point (AP) is a networking device that acts as a bridge between wired and wireless networks. It connects laptops, smartphones, tablets, and IoT devices to a company’s LAN using Wi-Fi. Unlike a home router, which combines routing and wireless functions, an enterprise AP focuses on delivering strong, secure, and scalable wireless coverage across larger areas.
In a typical enterprise setup, access points connect to network switches or controllers via Ethernet, often powered by Power over Ethernet (PoE). The AP then broadcasts one or more SSIDs (network names) for users to connect, authenticates them, and forwards their traffic into the LAN or to the cloud.
Why are Access Points Important?
- Scalable coverage: Deploy multiple APs to cover office floors, campuses, or hotels.
- High performance: Modern APs use Wi-Fi 6/6E, offering multi-gigabit speeds and lower latency.
- Secure connectivity: Support for WPA3 encryption, VLAN segmentation, and 802.1X authentication.
- Mobility: Enable seamless roaming so users can move without dropping calls or video sessions.
- Flexibility: Powered by PoE, APs can be mounted on ceilings, walls, or outdoor poles without separate power lines.
How Do Access Points Work?
- Connection to LAN: The AP connects to a switch, often receiving both data and power via PoE.
- Broadcasting Wi-Fi: It creates wireless networks (SSIDs) for employees, guests, or IoT devices.
- Authentication: Users log in with passwords, digital certificates, or enterprise credentials.
- Traffic forwarding: The AP tags traffic into VLANs, applies QoS rules, and sends it to switches or controllers.
- Roaming: In managed WLANs, APs share information so devices can move between coverage areas seamlessly.
Types of Access Points
- Standalone APs: Independent, good for small offices.
- Controller-based APs: Centralized control for large campuses.
- Cloud-managed APs: Managed via online dashboards, ideal for distributed enterprises.
- Indoor APs: Ceiling or wall-mounted for offices and schools.
- Outdoor APs: Ruggedized for stadiums, campuses, and industrial sites.
Enterprise Use Cases
- Offices and campuses: Provide stable Wi-Fi for employees and visitors.
- Education: Handle high device density in classrooms and lecture halls.
- Healthcare: Enable mobile healthcare apps, connected equipment, and secure staff Wi-Fi.
- Hospitality: Offer seamless guest Wi-Fi in hotels and resorts.
- Smart buildings: Connect IoT devices like sensors, cameras, and badge readers.
Conclusion
Access points are the foundation of enterprise Wi-Fi. They connect wireless devices to wired LANs, enabling reliable, scalable, and secure connectivity. With support for modern standards, PoE, and centralized management, APs make it possible for organizations to deploy high-performance networks. Sundray Technology’s AP portfolio empowers enterprises to deliver strong wireless experiences in offices, schools, and smart facilities.
FAQs about Access Points
A router connects networks and manages traffic to the internet. An AP simply extends Wi-Fi coverage within a LAN.
Routers are fine for homes. Enterprises need APs for scalability, advanced security, and roaming support.
Most enterprise APs use PoE switches, eliminating the need for local power outlets.
It depends on building size, user density, and bandwidth needs. Site surveys help determine placement.
