We've left ours on the default frequency of 180 and tuned & saved the head unit to that frequency.
The Chinese woman informing me of the connection status in Engrish does mean we normally start the journey laughing data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
Sorry bumping an old thread...
Looking at getting one of these for my car, any suggestions or better ones to look at, as the one on this link is no longer available.
Thank you
https://www.amazon.co.uk/dp/B01CFU279Y/ref=cm_sw_r_cp_apa_i_2FB5Ab7P5DEBK
I used this one for a year before changing cars which had Bluetooth integrated.