Cantennator allows you to calculate the sizes of the popular home-made antennas for Wi-Fi, 3G-UMTS, 4G-LTE and other digital networks, including digital television. Calculating the sizes of a Tin Can waveguide antenna, a Spiral antenna, Yagi-Uda, Bi-Quad antenna, Double Bi-Quad antenna and Collinear Coaxial antenna. For the calculation, you need to know only the mode of device working (3G, 4G or Wi-Fi) or operating frequency.