Yes. We offer this service with additional costs. Please click on “Impedance Control” tab enclosed with your impedance specifications when placing orders through our online quotation service. For basic specifications, the impedance control report will be included, however, if you require additional specifications for your PCB, our sales representatives have to evaluated your case prior to giving quotation.
 
Basic specifications:
Impedance* 3 (limited to single-ended/ differential/ coplanar impedance) + Impedance Control Report