1. dvbt headend factory 2.best price and good quality 3.sample is valiable ( can accept OEM) 1. dvbt receiver factory2.best price and good quality 3.sample is valiable ( can accept OEM)digital dvb t2 set top boxfunctions:1. PAL/NTSC/AUTO systerm2.with usb slot3.build with LED display4. OSD in language( as the customer's ask)basic feature:1.full compatible with DIVX,MP3,MKV,JPEG etc.2.PVR ...