User blog comment:Fliu/Chapter 946: Luffy's Next Big Step/@comment-25161930-20190621183948/@comment-2600:6C5D:5D00:1C9:9CE1:D51E:3B10:3EC2-20190621204051

Yeah, they must have use different technology or techniques. Because a regular transponder snail does not need a big version to transmit, only the video versions do. Also, would the boss tanishi have to communicate with other bosses around Wano or just in the region?