Auto Meter 5289 GPS Speedometer Interface Module Plug and Play with Auto Meter Electronic Programmable Speedometers. Lightning quick 10 Hz signal update rate is the fastest available. Fully sealed and paintable magnetic micro antenna (Dimensions: 1.472 in. x 1.339 in. x 0.508 in.). Includes 16 ft. of wiring for plenty of mounting versatility. GPS module is fully sealed against water and dust. Includes 6.5 ft. wiring harness. Case Dimensions: