TOPCON Bluetooth Data Cable for GTS1002/ES602/600G/OS101, Total Station Line Plug A: hirose 6 pin female plug Plug B: COM(RS323) 9pin female commector plug Cable Length: 20 meter (about 7.9inch) Application: for Sokkia DOC210. (competiable with Topcon GTS1002, ES602, ES600G, OS602G, OS101) and etc. What's in the box: 1 x Bluetooth data cableBluetooth receiver is not including in the package