RF range:2.40-2.48GHz. RF power: less than 20DB. Low voltage warning: yes(less than 3.5V).DSC port: yes(USB; output: PPM). TH range:45(F:30, B:15). If your item got any problem, please contact with me, we will help to solve and, we are very familiar with this product. But we can help to avoid this, please contact. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Control, Radio & Electronics\Receivers & Transmitters". The seller is "toucanhobby_ca" and is located in this country: CN. This item can be shipped to Canada, United States.