A rotation bracket, comprising: an L-shaped connecting rod , a rotation mechanism , and a stand base , wherein the L-shaped connecting rod comprises a vertical rod and a horizontal rod , the vertical rod is configured to connect to a communications device, the horizontal rod is a rotatable rod, and the horizontal rod is fastened to the rotation mechanism ; the rotation mechanism is fastened to a top of the stand base , and the rotation mechanism is configured to drive the L-shaped connecting rod to rotate in a horizontal plane; and the stand base is configured to fixedly connect to an inner surface of a wall or to a ground, wherein the rotation mechanism comprises a support base , a support plate , and a rotation component ; the horizontal rod passes through and is fastened to the support base , and the support base is fastened to the support plate ; and the support plate is connected to the rotation component , and the rotation component is connected to the stand base , characterized in that the support plate comprises a first drawer plate , a second drawer plate , a telescopic member , and a first fastener ; the first drawer plate comprises a first fastening member and a through hole ; the second drawer plate comprises a second fastening member and a strip-shaped hole ; the first drawer plate is fastened to the second drawer plate by the first fastener , and the first fastener passes through the through hole of the first drawer plate and the strip-shaped hole of the second drawer plate , so that the first drawer plate is in close contact with the second drawer plate ; and the telescopic member is connected to the first fastening member and the second fastening member , and is configured to adjust relative positions of the first drawer plate and the second drawer plate in a horizontal direction. an L-shaped connecting rod , a rotation mechanism , and a stand base , wherein the L-shaped connecting rod comprises a vertical rod and a horizontal rod , the vertical rod is configured to connect to a communications device, the horizontal rod is a rotatable rod, and the horizontal rod is fastened to the rotation mechanism ; the rotation mechanism is fastened to a top of the stand base , and the rotation mechanism is configured to drive the L-shaped connecting rod to rotate in a horizontal plane; and the stand base is configured to fixedly connect to an inner surface of a wall or to a ground, wherein the rotation mechanism comprises a support base , a support plate , and a rotation component ; the horizontal rod passes through and is fastened to the support base , and the support base is fastened to the support plate ; and the support plate is connected to the rotation component , and the rotation component is connected to the stand base , characterized in that the support plate comprises a first drawer plate , a second drawer plate , a telescopic member , and a first fastener ; the first drawer plate comprises a first fastening member and a through hole ; the second drawer plate comprises a second fastening member and a strip-shaped hole ; the first drawer plate is fastened to the second drawer plate by the first fastener , and the first fastener passes through the through hole of the first drawer plate and the strip-shaped hole of the second drawer plate , so that the first drawer plate is in close contact with the second drawer plate ; and the telescopic member is connected to the first fastening member and the second fastening member , and is configured to adjust relative positions of the first drawer plate and the second drawer plate in a horizontal direction. <EOS>