@kkfouche - there is a Tekonsha Prodigy RF for sale here on the forum at a great price! https://tab-rv.vanillacommunity.com/discussion/11914/wireless-brake-controller-for-sale#latest
Unless I’m missing something, the Primus IQ doesn’t appear to be wireless. The Prodigy RF is Tekonsha’s wireless product, and is used by many Tab owners without issue. Others use the Curt Echo.