Reversing the technology to use the lens as a transmitter instead of a receiver would enable aliens to beam massively powerful signals across the galaxy, said Dr Drake.
The SiGe GN3S Sampler is a very powerful, very hard to use GPS receiver.
的硅锗gn3s取样器是一个非常强大的，很难用GPS接收机。
3
An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.