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Communication System EMI Filters

Communication systems demand designs that incorporate EMI filters to prevent unwanted interference from entering the system and eliminate emissions that can contaminate your distributed AC & DC power. APITech’s EMI filter solutions can create an agency-approved product that will filter and condition the power to your communication system infrastructure equipment. Our custom EMI filters will incorporate all the components and the filtering in one complete package to save you space, time, and money. APITech offers fast prototypes and a quicker time-to-market as a vertically integrated supplier.


  • Conducted EMI filtering from 10 kHz to 1 GHz
  • Current ratings up to 500 amps
  • Maximum voltage ratings up to 400 VDC and 240VAC standard
  • Various capacitance values and custom voltage ratings
  • EMI filters that incorporate specified circuit breakers and mounting handles
  • Customized ground plane
  • Design for CISPR22/24 and EN55022/24 regulations
  • RoHS Compliant
  • Cellular base stations
  • Communications racks
  • Telephone switching devices
  • Traffic control systems
  • IT hubs
  • Data centers