Antenna Lengths for Tread Series and zūmo XT Series Devices

The Group Ride Radio (5.5") is Compatible With the Following Antenna Options: 

• Antenna Mount Kit: 8.2 feet

• Long-range Antenna with Tube Mount Kit: 21 inches

  • Cable length: 11.5 feet 

• Magnetic Mount Antenna: 16 inches 

  • Cable length: 11.5 feet 

• VHF Antenna: 5 inches

The Group Ride Radio (6", 8" and 10") is Compatible With the Following Antenna Options:

• Antenna Mount Kit: 8.2 feet

• Long-range Antenna with Tube Mount Kit: 21 inches

  • Cable length: 11.5 feet 

Other Antennas for the Tread GPS Navigators:

• External inReach Antenna: 9.8 feet

• External GPS Antenna with Mount: 9.8 feet