What is the maximum power allowed when transmitting telecommand signals to radio controlled models?

The maximum power allowed when transmitting telecommand signals to radio-controlled models is 1 watt. This limitation is put in place to ensure that operations are safe and regulated, minimizing interference with other radio services and preventing potential harm to nearby individuals or other equipment. A power level of 1 watt is typically sufficient for effective communication with radio-controlled devices within the expected operational range, allowing for reliable control without the risk of excessive interference.

Higher power levels, such as those indicated by the other options, could lead to unwanted interference with other communications and might not be necessary for the effective operation of most models. Keeping the power limit at 1 watt strikes a balance between the need for effective signal penetration and the need for responsible use of the radio spectrum.