For customer service, technical support or parts, please call
714-827-7600
 
To send in your radio for repair, please pack it thoroughly, using the original packing placed inside an additional box, if possible. Ship via UPS, preferably, and insure it for the full replacement value. The shipping address is:
 
Vertex Standard USA
Attn: Amateur Repair
10900 Walker Street
Cypress, CA 90630
 
In your cover letter accompanying the product, please describe the problem(s) you are experiencing in as much detail as possible. Include your daytime telephone number, return shipping address (not a P.O. Box number), and your e-mail address, in case we cannot reach you via telephone.
 
To follow up on status of a repair, you may also send e-mail to customerservice@vxstdusa.com.
 
Technical inquiries may be directed to Amateur Technical Support  jdarby@vxstdusa.com
For WiRES registrations and information, please contact Jerry Darby, N6UME at j.darby@vxstdusa.com and he will be pleased to assist you.
 
Parts inquiries may be directed to yaesuparts@vxstdusa.com.