Antenna TV Professional: This section indicates that this is a professional level device typically used for professional television broadcasting or distribution applications.

CATV 47-870 MHz: This indicates that the device supports cable TV signals in the frequency range of 47 MHz to 870 MHz.

14 dB: This is the gain or amplifier level of the device, indicating that it can increase the strength of the input signal to ensure signal quality.

230V 50Hz: This is the power requirement for the device, where 230V represents voltage and 50Hz represents frequency.

Digital Cable TV: This indicates that the device supports digital cable TV signals.

PLL High Accuracy: PLL stands for Phase Locked Loop, indicating that the device has high-precision clock and frequency control to ensure accurate signal conversion.

Household Modulator: Although the device is professional, it may also be suitable for home use, used to convert various audio and video signals into digital cable TV signals for use by television or other receiving devices.