long with the development of the global digital TV, digital TV also keep up with the trend of The Times, in China, according to the arrangement of the state administration of radio, film and many large and medium-sized cities are now in our country to digital TV overall translational work, known as the digital set-top boxes, most cities are free every household a department of radio, film and television set-top box, and then improve the licence fee for the method, for digital TV overall translation work, but that there is a problem: a TV set must be equipped with a set-top box to normal watch, and for the collective users, with many TV viewers are going to have to pay a high fee for example: a hotel have 100 TV sets, must be equipped with 100 sets of set-top box, each box $19 per month fee, management fee is 228 yuan a year, then 100 set-top box licence fee is 22800 yuan a year, 5 years of accumulated licence fee is RMB 110000, 110000 for any one unit is not a small sum of money; In addition, the set-top box has a remote control, TV has a remote control, two remote control together is not convenient to use; In some places the set-top box has a boot menu after each power boot screen, must enter the menu to watch TV properly, use rise also is not very convenient; Hotel each room is adding a set-top box and a viewing card, storage for fixed assets and the management of daily attendant to bring inconvenience. In view of the above situation, we introduced a digital set-top box was used as cable TV front-end system of value solution, thoroughly solve high licence fee for your burden, and it is easy to increase own affiliate program and TV (own affiliate program for the original unit, can do recycling equipment, eliminate waste), don't need to do any changes to the original wiring network, fully staffed. This set of solution of used equipment: signal amplifier, distributor, set-top boxes, eight-channel one modulator, signal mixer, standard cabinets, etc., and the specific situation is: the local cable television from the digital cable television signal, the first by the amplifier amplification, and then transferred to the distributor, the distributor the TV signals into several road all the way, then respectively transmitted to a number of set-top box, STB cable signal demodulation output video and audio signals respectively (AV) and then transferred to the eight-way modulator, eight-way modulator and the audio and video signal from the radio frequency (RF) signal, transmission to signal mixer, mixing after the RF signal through an amplifier, the final output into the unit original cable television network, for the TV to watch directly, without having to set-top boxes, as to the number of TV sets under the condition of the signal strength is enough, can be infinite expansion, is not restricted. Technique support: www.dxdvb.com shenzhen satellite TV installation.