About Us

Eastern Wireless TeleComm, Inc., (EWT) is a privately owned U.S. company and was established in March 2000, with its facility located in Salisbury, Maryland, USA.

EWT Specializes in custom design and manufacture of RF & Microwave filters and filter based products for Military, Commercial, Wireless, and Space applications

Over 60 years of combined experience in the design, development, and high volume manufacturing of Cavity and Waveguide filters to 50 GHz and Lumped Element filters up to 10 GHz.

All of our products are manufactured to strict guidelines set forth in our ISO-9001 compliant Quality System, ensuring the highest level of product performance and reliability. Through utilization of our in-house machining capabilities and state-of-the-art manufacturing processes, rapid turn-around is standard.

Our Mission Statement

Our goal is to continually provide the highest quality filter products, design support, and service to our customers.

To maintain long-term relationships, we believe it is vital to build close customer-supplier interaction from the early developmental stages through production and into device implementation, ensuring on-time delivery at cost effective prices, and performance that meets or exceeds specified parameters

Not to Meet Our Expectations, but to Exceed Yours!


  • Our Quality & Inspection System is fully compliant to ANSI/ISO/ASQ Q9001-2000, MIL-I-45208A, and MIL-Q-9858
  • All measurement & test equipment is maintained and calibrated in accordance with MIL-STD-45662
  • Workmanship performed in accordance with MIL-STD-454
  • Our manufacturing processes are in accordance with IPC 610 standards
  • Our ISO-9001 compliant quality system coupled with our commitment to quality and continuous improvement allows us to provide and maintain the highest level of quality products, performance, customer service, and support