At some of the world’s most sensitive spots, authorities have installed security screening devices made by a single Chinese company with deep ties to China’s military and the highest levels of the ...

Frequencies: 108 to 136.9750; 137 to 143.9950; 162 to 215.9500; and 216 to 449.9875 MHz. Notes: The number of programmable channels and speed of scanning are of less importance than the reception ...