Antenna system maintenance and measurement: precision gang switch and support device.
天调系统维护与测量：精密的同轴开关以及配套器件。
The device also includes an adjustable antenna to help improve signal strength gain and transmission.
该器件还包括一个可调节的天线，以帮助改善信号强度增益和传输。
The device also includes an adjustable antenna to help improve signal strength gain and transmission.
该器件还包括一个可调节的天线，以帮助改善信号强度增益和传输。
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