... system standards, can receive the stable DVB-T wireless digital signal standard transmission mpeg-2 digital TV programs, support ... Product features: (1) Comply with DVB-T/MPEG-2 standard, support PAL, NTSC two standard clear format;(2) Video output support CVBS ... Support RS232 serial upgrade(12) Support NIT function, supports fast search, full frequency automatic search, manual search three ways.