7 Common WiFi Problems Businesses Face and How to Solve Them
- Golan Maman

- Dec 21, 2025
- 4 min read

Reliable WiFi is no longer a luxury for businesses; it’s a necessity. Imagine employees struggling with slow connections during important video calls or customers frustrated by spotty internet in a restaurant or retail store. These issues can hurt productivity, customer satisfaction, and even your bottom line. For business owners, office managers, and property managers in Pasadena and the greater Los Angeles area, understanding common WiFi problems and their solutions is key to maintaining a smooth operation.
This post covers seven frequent WiFi challenges in commercial buildings and practical fixes you can implement. Whether you’re dealing with dead zones, interference, or outdated equipment, the right approach can transform your network. If you’re considering commercial WiFi installation in Los Angeles or need business WiFi solutions in Pasadena, this guide will help you identify issues and know when to call in professionals like GBIT Tech.
Dead Zones and Poor Coverage
Dead zones are areas where WiFi signals barely reach, causing devices to lose connection or slow down drastically. These spots often appear in large offices, warehouses, or buildings with complex layouts.
Causes:
Physical barriers like thick walls or metal structures
Poor placement of access points
Insufficient number of access points for the space
Impact:
Employees unable to connect reliably
Frustrated customers in waiting areas or stores
Reduced productivity and communication breakdowns
Fixes:
Conduct a site survey to map signal strength
Use UniFi commercial networks for scalable coverage
Place access points strategically, avoiding obstructions
Add more access points to cover large or segmented areas
Interference from Walls, Appliances, or Neighbors
WiFi signals can weaken or drop due to interference from building materials or other electronic devices. Nearby networks can also cause congestion, especially in dense urban areas like Los Angeles.
Causes:
Concrete, brick, or metal walls blocking signals
Microwaves, cordless phones, or Bluetooth devices causing interference
Overlapping WiFi channels from neighboring businesses
Impact:
Slow or unstable connections
Frequent disconnections during critical tasks
Difficulty maintaining secure connections
Fixes:
Use 5 GHz frequency bands to avoid common interference
Reposition access points away from appliances and thick walls
Perform a wireless site survey to identify interference sources
Switch to less congested channels using UniFi’s management tools
Overloaded Network from Too Many Devices
Modern offices and commercial spaces often have dozens or hundreds of devices connected simultaneously. Without proper network design, this overload can cause slowdowns and dropped connections.
Causes:
Too many devices on a single access point
Lack of bandwidth management
Guest networks not separated from business-critical devices
Impact:
Slow internet speeds for everyone
Difficulty running cloud-based applications or video conferencing
Security risks if guest devices access sensitive data
Fixes:
Segment networks into guest and business zones
Use UniFi commercial networks with load balancing features
Upgrade bandwidth and add more access points
Monitor network usage and limit bandwidth for non-essential devices
Outdated or Miscon

figured Routers/Access Points
Old or poorly configured hardware can severely limit WiFi performance. Many businesses overlook firmware updates or fail to optimize settings for their specific environment.
Causes:
Using consumer-grade routers in commercial settings
Firmware not updated regularly
Incorrect security or network settings
Impact:
Reduced speed and reliability
Vulnerabilities to security threats
Incompatibility with newer devices
Fixes:
Upgrade to commercial-grade routers and access points
Regularly update firmware and software
Configure settings for optimal performance and security
Consider professional installation for complex setups
Wrong Channel Selection and Congestion
WiFi channels can become crowded, especially in busy commercial areas. Using the wrong channel leads to interference and slower connections.
Causes:
Default channel settings not adjusted
Multiple nearby networks using the same channel
Lack of channel monitoring and adjustment
Impact:
Frequent signal drops
Slow data transfer rates
Frustration for users and IT staff
Fixes:
Use tools to scan and select the best channels
Employ UniFi commercial networks that automatically manage channels
Regularly review and adjust channel settings
Educate staff on avoiding interference from personal devices
Security Risks (Open or Weak Encryption)
Open or weakly secured WiFi networks expose businesses to hacking, data theft, and unauthorized access.
Causes:
Using outdated encryption protocols like WEP
Leaving networks open for easy access
Poor password management
Impact:
Data breaches and compliance violations
Malware infections and network downtime
Loss of customer trust
Fixes:
Use WPA3 encryption where possible
Set strong, unique passwords for all networks
Separate guest and internal networks
Regularly audit network security settings
Underlying Structured Cabling Issues
WiFi depends on wired infrastructure to deliver reliable internet. Faulty or outdated structured cabling can cause intermittent connectivity and slow speeds.
Causes:
Damaged or low-quality cables
Improper cable management or installation
Using cables that don’t support current speeds (e.g., Cat5 instead of Cat6)
Impact:
Unstable WiFi access points
Reduced network performance
Increased maintenance costs
Fixes:
Inspect and upgrade structured cabling in Los Angeles commercial buildings
Use certified cables and professional installation services
Plan cabling routes to minimize interference and damage
Combine cabling upgrades with commercial WiFi installation for best results
Reliable WiFi is essential for any business to function smoothly. Addressing common problems like dead zones, interference, overloaded networks, outdated hardware, channel congestion, security risks, and cabling issues can dramatically improve your office network performance. Professional help ensures the right equipment, placement, and configuration tailored to your building’s unique needs.




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