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4000 Barranca Parkway, Suite 250 | Irvine, California 92604


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Guided by our experience and expertise, our mission is to offer innovative, high quality and yet cost-effective solutions for RF and microwave filter products and other front-end solutions for multiple markets including military defense, commercial, public safety and aerospace and medical industries.
3H Communication Systems maintains a full Quality Management System and maintains ISO Certification. Our management team continually strives for improvement and consistently audits our processes to maintain the highest quality standards for our customers. 3H Communication Systems complies with and is certified to ISO9001:2015.
3H Communication Systems stands behind every products we manufacture and includes a 5 Year warranty for our passive filter products. 

Click image below to view / download our iso certifications

3H Offers a 5 Year Warranty

3H Communication Systems is committed to providing our customers with the highest quality products that meet and exceeds our customer’s expectations. Products manufactured by 3H are warranted against defective material and workmanship for a period of 5 years (passive products) and 1 year (active products). 3H Warranty starts at time of shipment. 3H is not responsible for improper/mishandling use, including operation beyond the specified requirements as agreed to by 3H and the customer. 3H reserves the right to repair or replace defective hardware. Additional warranty terms can be designated at time of quote. No returned hardware will be accepted without an RMA number (Returned Material Authorize). Please contact 3H for RMA number. Page 31