Connects the receiver to an external device (controller or computer) for data transfer and receiver configuration Serial cable for Topcon GPS Receiver HiPer V, HiPer Pro, HiPer II, Hiper HR, Hiper VR For Topcon LEGACY, GR-3, GR5, GB-500, GB1000 ODU 7 pin male to RS232 Serial Port DB9 female
Model: A00303. Length is 1.8 meter / 6ft