GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 76239 Special Order items are not maintained in our warehouses but are ordered from the vendor upon receipt of a sales order. These items may be brought into and shipped from one of our warehouses or drop shipped directly from the manufacturer Update Rate Select Cable This cable helps limit output position updates on the GHP 19x HVS antenna to once per second using serial communications rates of 4,800 bps. By default, the antenna outputs position data updates 10 times per second using a serial communications rate of 38,400 bps. Compatible Devices: GPS 19x HVS (NMEA 0183) GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.