Hello Group, If you are considering selling your K2 or K3, please advise me the following information OFF the list : 1. first 2 digits of the serial no. of your radio e.g. 66xx 2. options installed 3. working environment (smoking or non-smoking) 4. your expected price (no worry about the shipping costs which will be addressed at a later stage) 73 Johnny VR2XMC