The phrase "than signal" is an idiomatic expression that means to give a clear indication or show something more clearly than before. It can also mean to indicate something in a stronger, clearer or more obvious manner than previously done.
Sentences with «than signal»
Because a clicker makes a loud, sudden sound, your dog may see this as a threat rather than a signal. (animals.howstuffworks.com)
However the signals tend to be more reliable and more profitable than the signals from shorter time frames. (learntotradethemarket.com)
It's hard to read his omission from the bench as anything other than a signal that he will be leaving the club in the summer. (espnfc.com.ar)