There are two main types of heat pumps: geothermal heat pumps and air-source heat pumps. A geothermal heat pump draws the heat from the ground, while the air-source type pulls the heat from the air outside.
RF cables are a type of coaxial cable that is used to send radio frequency signals. RF cables are often used to send video information to a TV set. Identification. RF cables can be identified by the connectors at the end of the cables. RF cable connectors have a single pin that plugs into the RF input on a TV or other device and a threaded piece of metal around the connector that can be used to secure the cable to the RF input port. RF cables are commonly used in cable TV and Internet connections.
FICTION all HDTV/digital signals will be broadcast on the UHF(Ch.14-69) frequency band. FACT Not all digital signals are UHF. Nearly every television broadcasting market in the U.S. has at least one or more VHF (2-13) channel. requiring a VHF and UHF capable antenna.FICTION I will need to replace my current TV antenna to receive over the air HDTV.ACT If your current TV antenna can receive both VHF(Ch.2-13) and UHF(Ch.14-69) TV signals, and is in proper working order, it is unlikely a change will be necessary. Because of widespread misunderstanding many people will purchase two TV antennas. The first TV antenna will be purchased as a so called HDTV antenna.