Can I use my existing GPS antenna with my B100/B300/B330?

Yes if the GPS antenna has the following specifications:

• Male TNC connector
• Active Antenna
• 10m RG-58 cable
• Gain of 25dB
• Bias voltage of 3.3V - 5V (centre pin positive)

The cable length should not exceed 30m.

If you need to purchase a compatible GPS antenna, the GPS-100 is available from our website here - https://em-trak.com/accessories/