The terrible lies in: the target device itself into QieMi transmitter, vibrate at a selected frequency for hackers, radio antenna.
其厉害之处在于:将目标设备本身变成窃密发射器,以黑客选定的频率振动,便于无线电天线接收。
2
Conventional dual up-conversion transmitter usually employs an intermediate frequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.