Text this

Number:

Provider:

CAPTCHA:

 ______      ___     _____     _    _    _    _   
|      \\   / _ \\  |  __ \\  | || | || | \  / || 
|  --  //  | / \ || | |  \ || | || | || |  \/  || 
|  --  \\  | \_/ || | |__/ || | \\_/ || | .  . || 
|______//   \___//  |_____//   \____//  |_|\/|_|| 
`------`    `---`    -----`     `---`   `-`  `-`

Please enter what you see:

Text this: Type I hybrid ARQ system with adaptive code rates