In the cartridge, the opening is formed diagonally to an arrow A direction by cutting away a corner portion at a drive device loading side, and the opening faces both the arrow A direction and an arrow B direction. To transmit a physical layer information stream having a plurality of sub-blocks, each sub-block having an error correction code, a QoS, and a priority if the sub-blocks has a different QoS, the encoded physical layer information stream is divided into a plurality of slots. A power supply line supplies power to the first electrode from the radio frequency generator.