military submarines use low frequency antenna that extends from the sail(conning tower.) The message is typed into a computer, then is sent to another submarines antenna that receives it and displays it on a computer.
Yes, known as a signal booster, and they can be quite effective.
Yes, This is for adding a wireless antenna to a desktop or laptop computer that does not have wireless built in. You still need a wireless router connected to your internet provider.
Hertz Antenna is lambda by 2 antenna & marconi antenna is lambda by 4 antenna...
Power, Thrust, Attitude determination and control, Mission computer, antenna(com.) are basic parts
Gary A. Ulrich has written: 'Computer model for a towed submarine communication antenna'
In Electomagnetics, Radio, Electronics, etc.:An antenna is a structure that couples energy between a circuit (radio, cell phone, etc.) and free space. The plural is antennas.In Biology, Zoology, etc.:An antenna is an organ used to sense the surroundings. The plural is antennae.
It sends and receives radio signals to and from other wireless devices. Similar to a CB radio only in computer language.
A router is a computer component that gets an Internet signal from an outside source and sends it to a computer. It sends the signal to the computer through a cable or through a wireless antenna.
An active antenna has a amplifier built in, a standard antenna does not. AKA powered antenna.
A passive antenna is an antenna that is not powered by an amplifier.
Just because you don't see one, doesn't mean there isn't one! Many car antennas went from a "silver stick" to "in the glass". You don't see antennas on many cell phones. They are built in. Same with computer wifi. If your wireless network interface card or adaptor is equipped with a removable antenna, damage may be caused to your equipment by using it without the antenna in place.