This external, active GPS antenna will unleash the potential of your PMB-688 GPS receiver allowing it to lock onto more satellites and increasing its accuracy. A magnetic base makes mounting easy and the 9' cable gives you ample room for placement.
Increases accuracy of PMB-688 by allowing more satellites to be acquired
Magentic base for mounting
9' cable w/connector
Center Frequency: 1575.42 MHz
Dimensions: 1.50 x 1.40 x 0.54 in (38.1 x 35.5 x 13.7 mm)
Operating temp range: -40 to +158°F (-40 to +70°C)