inputs.text: sending back day received - didnt even highest expectations product price good actually purchased two wanted give one daughter use car testing transmitters three different radio receivers couldnt send items back fast enough build quality terrific product feels solid not cheap performance cheap signal extremely weak couldnt get two car receivers home receiver large antenna lock clean signal yes tried dozen frequencies based fact two didnt work cant recommend product even called manufacturer highest concerns \\where buy from\\ transferred someones voicemail instead live person mean never rang transferred got someones voicemail box didnt even say tech support kind information needed wanted ask way could improve items performance lack quality lack caring items going back soon amazon arranges receive return authorization time look items really want something works heres link manufacturer[ ] no support information page see lack caring permeates company buyer beware