A method of providing access to downloadable protected video content includes providing parental controls. Transmitter embodiments have been found to provide excellent fidelity of data transfer at high data rates while consuming only a portion of the power of many conventional transmitters and requiring only a portion of the layout area of these transmitters. A shaft drive can be activated to change the pull force at the spring via the shaft. Each respective policy is associated with one or more of the set of tasks in which at least one of the tasks in the set of tasks is associated with a policy restricting modification of the task. In a particular implementation, the residential device is a home irrigation system connected to the residential gateway via a wireless interface and the information server is a weather station server storing climatic information from a plurality of weather stations. Similarly, the Raman probe extends from a Raman spectrometer.