专业双天线分集接收机， 采用了最强性能的双天线双解调分集接收技术,无论对弱信号环境、多径干扰环境、高速移动环境等都具备优良的接收性能；可以对2MHz/4MHz/8MHz带宽解调；对H.264或MPEG2解码；对加密信号解密；CVBS + HDMI或SDI输出。
K220 接收机技术指标
Freq Range 170-860 MHz
Tuning 1KHz steps
Bandwidth 2/4/8MHz
Input Level -96 dBm to -6 dBm
RF Input X2,F-type
Demodulator X2 Unit; Antenna Diversity.
Demodulation COFDM DVB-T 2/4/8MHz
QPSK, 16-QAM, 64-QAM
FEC: 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval: 1/32
Video Decoding H.264 / MPEG-2 4:2:0
Video Format 1080i: 1920 x 1080, 50i 60i
720p: 1280 x 720, 50p 60p
480i (NTSC): 720 x 480
576i (PAL): 720 x 576
Video output HDMI/Composite (PAL/NTSC)
(SDI HD/SD optional)
Audio output Stereo/Mono
X2 – R & L line out / HDMI
TS out X1 – ASI TS, BNC (optional)
User interface: 7-key front panel, full functions.
LCD display
3-LED Signal quality indication
RS232 Control X1 – DB9
Dimensions half 19 inch 1U
215X280X44.5mm
Power Supply 220VAC (Max 10W)
Environmental
Temperature: -20° to +50°C
Humidity: <95%