Although both sides had early wireless telegraphy, the Russians were using German sets and had difficulties in their use and maintenance, while the Japanese had the advantage of using their own equipment.
Selv om begge sider havde tidlige versioner af trådløs telegrafi, brugte russerne tysk udstyr og havde besvær med at bruge og vedligeholde det, mens japanerne havde den fordel, at de brugte eget udstyr.