Please improve the logic of the following text:
This improves the signal-to-noise ration for RF signals with more than 8-10 dB of signal to noise ratio (SNR). Below this threshold the wideband signal has a worse SNR.
This improves the signal-to-noise ration for RF signals with more than 8-10 dB of signal to noise ratio (SNR). However, below this threshold the wideband signal has a worse SNR.