What are the recommended methods for reducing radio frequency interference near the table?

Radio Frequency Interference (RFI) near your desk can disrupt electronic devices, causing poor performance in audio equipment, Wi-Fi connectivity, and sensitive instrumentation. Implementing targeted mitigation strategies creates a cleaner electromagnetic environment for reliable operation.

Begin by identifying common RFI sources: switching power supplies, LED drivers, poorly shielded cables, wireless routers, and fluorescent lighting. Position high-emission devices at least three feet from sensitive equipment. Use shielded (STP) Ethernet cables instead of unshielded (UTP) varieties, and ensure all coaxial cables feature proper grounding.

Implement physical shielding where practical. Adhesive copper or aluminum foil tape applied to the underside of desks or inside device enclosures can block interference. For severe cases, consider installing a fine-mesh copper screen around critical areas. Ferrite chokes (beads) clamped onto power and data cables near device connectors absorb high-frequency noise effectively.

Power conditioning is crucial. Utilize RFI-filtered power strips or dedicated line conditioners. Isolate noisy devices like printers on separate circuits. Ensure all equipment is properly grounded via three-prong plugs, but avoid creating ground loops which can exacerbate issues.

For wireless interference, strategically reposition your router away from your main workspace. Change Wi-Fi channels to avoid congestion, and consider using wired connections for stationary devices. Keep Bluetooth devices updated and spaced appropriately.

Regular maintenance includes inspecting cables for damage, securing all connections, and keeping your workspace free of unnecessary electronic clutter. These proactive measures, combined with strategic device placement and targeted shielding, will significantly reduce RFI, resulting in clearer signals, fewer dropouts, and more reliable electronic performance at your desk.