Yes it can. There is an area around the 8.2 MHz IF where it can't transmit and another range slightly further away from the IF where it is limited to 10W transmit. Dave K8JDC Can the K3 operate in the M.A.R.S. spectrum? I am sure it can't but one of the team on the expedition may want to buy one of the K3s after the trip and just asked me...