A cell phone with music radio transmitting function includes a device of FM transforming and transmitting, which is connected to the mainboard of the phone. The output of the music radio connects to the input of
一、使用群体的不同 【cell phone】为美式英语，加拿大美国人使用较多。【mobile phone】为英式英语，在欧洲英国使用较为普遍。二、词义不同 1、【Mobile phone】移动电话 英文释义：a telephone that does not have wires and works by radio, that you can carry with you and use anywhere（没有...
The function of an antenna in any radio transmitter is to launch the radio waves into space; in the case of cell phones, these waves are picked up by a receiver in the cell-phone tower. Electromagnetic radiation is made up of waves of electric and magnetic energy moving at the speed of...
A CB radio, because it has much higher power, can transmit about 5 miles (8 kilometers) using a 5-watt transmitter. Cell phones operate within cells, and they can switch cells as they move around. Cells give mobile phones incredible range. Someone using a cell phone can drive hundreds ...
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A CB radio, because it has much higher power, can transmit about 5 miles (8 kilometers) using a 5-watt transmitter. Cell phones operate within cells, and they can switch cells as they move around. Cells give mobile phones incredible range. Someone using a cell phone can drive hundreds ...
When a number of cells are joined together, they provide wireless radio frequency coverage to a large area. This is how wireless devices or transceivers (Transmitter and Receiver) like mobile phone, tablets, smartphones, modem etc work.
cell phone 听听怎么读 英[sel fəun] 美[sɛl fon] 是什么意思 n. 手机; 英英释义 cell phone[ 'selfəun ] n.a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver...
Cell phone technology uses electromagnetic radiation in the Giga hertz range. These radiations are close to microwave range and with similar properties. Part of the radio wave emitted from the mobile phone is absorbed by the human head. The radiation emitted by a GSM handset can have a peak ...
As phones became more sophisticated, industry insiders worried about the possibility of a phone’s radio transmitter interfering with certain equipment in the cockpit and therefore rendering some of the equipment unreliable. Many of these concerns were stoked by published papers about the potential effec...