SM21 can be used with active and passive antennas (not included in the box).
You can connect to power using the USB port or using an accessory cable directly to a 12 or 24 V source.
SM21 can be used with active and passive antennas (not included in the box).
You can connect to power using the USB port or using an accessory cable directly to a 12 or 24 V source.