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Junction Isolators and Circulators
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COM DEV International has specialised in the design and manufacture of isolators and circulators for over 40 years. All COM DEV International products are designed in-house, using our vast range of engineering expertise and experience. Our products range in frequency from 350MHz to 65GHz.

Product Range


  • Waveguide                                


  • Coaxial                                     







Target Markets 

  • Wireless communications – TETRA, GSM, UMTS, PDH / SDH, WiMAX
  • Defence
  • Aerospace

We manufacture both in-house and externally, according to market requirements. High volume products for the telecommunications market, for example, are manufactured externally to optimise cost.

Innovation is a key driver for COM DEV International in this competitive market, and we are currently actively involved in enhancing and further developing our substrate drop-in and SMT designs to improve performance and cost-effectiveness.


COM DEV International, Lochend Industrial Estate, Newbridge, Edinburgh, EH28 8PL, Scotland
Tel: 0131 333 2000 | Fax: 0131 333 3607 | COM DEV Europe Limited Registered England and Wales Company Number: 1863723