Electronic device comprising antenna and housing including non-metallic material

An electronic device comprising:

• a front plate;
• a rear plate positioned on an opposite side of the front plate;
• a side member including a side surface at least partially surrounding a space between the front plate and the rear plate and including a ceramic;
• a first non-conductive member comprising a non-conductive material positioned in the space along the side member;
• a support positioned in the space and laterally surrounded by the first non-conductive member, the support comprising:
• a second non-conductive member comprising a non-conductive material, and
• at least one antenna positioned at least partially between the first non-conductive member and the second non-conductive member;
• a bonding member comprising an adhesive positioned between the side member and the first non-conductive member;
• and
• a communication circuit configured to transmit and/or receive a signal of a selected or designated frequency band through the at least one antenna.