If you have any questions, please contact customer service first, do not open disputes easily, thank you! PC Program (Spread spectrum by program). DTMF function, 2 tone, 5tone. Sensitivity? 0.25??? 0.35?? Adjacent Channel? 70db? 60db. Spurious response? 70db? 70db. Audio response +1-3db(0.33KHz) +13db(0.32.55KHz). Signal to noise ratio? 45db? 40db. Output Power 25W/20W(VHF/UHF). Adjacent channel? 70db? 60db. Signal to noise ratio? 40db? 36db. Parasitic and? 60db? 60db. 1QTY KT-WP12 Mobile Radio. Postive Feedback is very important to us.