Radiated Frequency Interference and High Frequency Interference

RFI and HFI involve the presence of unwanted, interfering frequency signals that disrupt normal system operations. These radiated or coupled frequencies are typically above 10 KHz and are from various wireless devices such as radios, walkie talkies, cell phones, radar transmitting stations and other wireless technologies. Coupled frequencies can be from microwave ovens, florescent lights, noisy switches or motors and even lightning storms can generate HF interference and cause intermittent equipment performance and failure. LAN networks, microprocessors and especially wireless LAN networks tend to be specifically susceptible to performance degradation from RF and HF interference.

Solving the interference may be as simple as adding ferrite cores to cables or as complex as building a Faraday cage around the equipment or room to protect and isolate from unwanted radiated frequencies. Grounding is always an important component in resolving interference issues. In data centers, signal reference grounding may be the solution to unwanted high frequency noise that is causing intermittent failures or lock-ups.

Understanding the source of the interference is usually crucial to resolving the offending problem. Identification of RF interference takes very specialized equipment to capture and analyze the frequency spectrum of the interference. Data Clean has the expertise to audit the site, install the necessary equipment, identify the frequency and provide a solution to resolve offending radiation. Contact Data Clean for additional information or to set up an appointment for a site visit.

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