Abstract: An electronic device is provided. The electronic device includes a communication circuit configured to communicate with an external device, and a processor configured to control the communication circuit, wherein the communication circuit includes a coil antenna including a first coil of a loop type which rotates with a number of times in a first direction, and a second coil of a loop type which is extended from the first coil, configured to rotate with a number of times in a second direction, and spaced from the first coil by a specific distance, and an antenna control circuit electrically connected with the coil antenna and configured to transmit or receive a signal with the coil antenna.

Abstract: An electronic device is provided. The electronic device includes a communication circuit configured to communicate with an external device, and a processor configured to control the communication circuit, wherein the communication circuit includes a coil antenna including a first coil of a loop type which rotates with a number of times in a first direction, and a second coil of a loop type which is extended from the first coil, configured to rotate with a number of times in a second direction, and spaced from the first coil by a specific distance, and an antenna control circuit electrically connected with the coil antenna and configured to transmit or receive a signal with the coil antenna.

Abstract: An electronic device is provided. The electronic device includes a communication circuit configured to communicate with an external device, and a processor configured to control the communication circuit, wherein the communication circuit includes a coil antenna including a first coil of a loop type which rotates with a number of times in a first direction, and a second coil of a loop type which is extended from the first coil, configured to rotate with a number of times in a second direction, and spaced from the first coil by a specific distance, and an antenna control circuit electrically connected with the coil antenna and configured to transmit or receive a signal with the coil antenna.

Abstract: An inflatable signboard capable of easily coupling an inflatable pillar includes a support which is put on the ground and a coupling bar which is a coupling medium positioned between the support and an inflatable pillar erected on the upper part of the support, wherein a pillar insertion groove into which the inflatable pillar is capable of being inserted is formed on an upper surface of the coupling bar, a gap of the pillar insertion groove is filled with a wooden lath, and the coupling bar, the wooden lath, and the inflatable pillar are penetrated and fixed simultaneously through a plurality of fixing pieces, thereby coupling the inflatable pillar easily.