A corporate communication specialist married to an innovative microwave engineer. That's us. And, together we are SunCastle Microwave, LLC. We are located on 3 sunny acres of land about 30 minutes east of San Diego in Alpine, CA, and our facilities include a development laboratory and an indoor and outdoor antenna chamber and range.


A Phi Beta Kappa, Summa Cum Laude graduate of UCLA, Marijke McCandless is a proven executive with a track record of complex project management, strategic sales and marketing, solution selling, re-branding and product strategy formulation. She is a published writer and has worked in many different industries as a communication, conflict resolution and facilitation specialist. She has been a DRC certified mediator in North Carolina and a council member of the Dispute Resolution Section of the NC Bar Association. Since 2004, she has been working as a key member of various executive management teams in the broadband wireless industry.


A Tau Beta Pi, Magna Cum Laude graduate of UCLA with a Masters in Electromagnetics Engineering, Jay McCandless has been designing and building RF, microwave, and millimeter wave circuits, modules and subsystems, such as radio front ends and active low cost phased array antennas for over 25 years. He is regarded as an expert in microwave and millimeter wave circuit and antenna design and is known for his creative solutions for 3D microwave packaging problems. He has twelve patents and one pending in the field and has worked consistently on high frequency cutting edge technology, most recently in designing modules for E-Band radios. Since 2004, he has run a successful consulting business working on diverse projects from mobile wireless applications to defense electronics to commercial ultra high frequency radios. He is well known and respected in the industry.

SunCastle Microwave, LLC combines the communication, organization, management skills, and enthusiasm of Marijke McCandless with the focused, energetic, highly creative, brilliance of Jay McCandless. . . . unexpected innovations happen daily.

We are dedicated to doing our best, playing nicely with others, and forging lasting relations.