STB CPU:LC74189, 216MHZ, 32 bit MIPS CPU, ability to deal with more than 245MIPS Memory:4 MbytesFlash/16 Mbytes SDROM\256 bytes EEPROM Demodulation methods: QAM(16/32/64/128/256) Video decoder:MPEG-2 MP@ML, the maximum resolution of 720*576, the maximum error rate 2-15Mbps; PAL/NTSC automatic recognition; 4:3 and 16:9 than the adjustable width. Audio Decoder:MPEG-1/2 Layer I/II RF interface:RF input; imperial F type female head; Huantong output; IEC male. Audio Output:Analog Audio group 2: left and right channels, stereo, RCA-type, 600Ω unbalanced; Video output:2 roads composite video CVBS: 75Ω; 1 road S-video terminal: Y/C Smart Card Interface:(Taixin No card CA) Data Interface:RS232 Serial Port;D-9 female head; Front panel buttons:Menu, confirm, Channel+, Channel- Power switch:Communicate double-contact push-button power switch Front panel display:4 LED digital tube