Consider the following statements regarding the bandwidth of signals required for transmission and choose the correct option: Statement (A): Speech signal requires a bandwidth of 2800 Hz (from 300 Hz to 3100 Hz) for commercial telephonic communication. Statement (B): A TV signal is usually allocated 6 MHz of bandwidth for transmission.

Consider the following statements regarding amplitude modulation and choose the correct option: Statement A: Amplitude modulated waves can be produced by application of the message signal and the carrier wave to a non-linear device, followed by a band pass filter. Statement B: For a sinusoidal message signal, an amplitude modulated wave contains frequencies ωm, 2ωm and ωc, each of the same amplitude.

In the context of optical wireless communication, which characteristic of Li-Fi technology distinguishes it from traditional Wi-Fi?