UT-200 USB ISDB-T Modulator Adaptor


Ref. Price: US$209/239

l  USB based modulator/demodulator with support for ARIB STD-B31 ISDB-T/ABNT
l  NBR 15601 ISDB-Tb transmission and reception.
lPowered from the USB bus, so no external power adapter is required
lFull hardware modulation/demodulation, no host CPU computation required.

Modulator (Transmitter)

l      Direct digital conversion to 50..950MHz for excellent signal quality  
l      Standard 6/7/8 MHz bandwidth

l      Layer mode supported: 1-layer (13-seg) and 2-layer (12+1 seg)

l      No time-interleaver support

l      Programmable digital attenuator

l      Free Windows Stream Player

l      Free Windows and Linux SDK

A special version UT-200AJH/UT-200CH is available for HAM TV application, which can support 1.2GHz (1200…1350MHz) band.


Demodulator (Receiver)

l      UT-200AJ supports Free to Air Digital Terrestrial (ISDB-T/-Tb) Receptions (6 / 7 MHz bandwidth)
      (UT-200C does not support receiver function)
l      Standard Windows ISDB-T BDA driver provided

l      Windows Media Center compatible ISDB-T/-Tb TV tuner


UT-200 - Applications

l      ISDB-T/-Tb signal generator

l      Demonstrations

l      Research and development

l      Video Broadcast/Distribution

l      Digital Signage

l      Wireless Display

l      Hotel TV, Hospital TV, On-Board TV, Luxury Home Entertainment

l      Hotel Info TV, Trade Shows, Mall Info TV, Campus TV, In Stadium

l      Live Sports, Monitoring, Surveillance, Corporate TV

l      Industrial Monitoring

l      Amateur HAM TV

Host Requirements

l  CPU: Intel, AMD, ARM, MIPS

l  128MB RAM of system memory or above

l  Higher CPU and memory required if ISDB-T audio/video decoding is needed.

l  One available USB2.0 or 1.1 port
Note: USB 1.1 can only support 3~5 Mbps stream data rate.

General Specifications



RF Connector

Two 75-Ω MCX (female) connecters, one for Tx and one for Rx

Bandwidth Transmitter 6/7/8 MHz
(UT-200AJ only)
6/7 MHz

FFT (伝送モード)

2K, 4K, 8K


Code rate

1/2, 2/3, 3/4, 5/6, 7/8

Guard interval

1/4, 1/8, 1/16 or 1/32



Not supported

Layer (階層数)

1-layer (13-seg) and 2-layer (12-seg +1-seg)
1-階層(13 セグメント) / 2-階層(12+1 セグメント)


13 セグメント / 12+1セグメント

Frequency range

50 .. 950MHz

UT-200AJH/UT-200CH 50 .. 950MHz, 1200-1350MHz

RF Output Level

-3 dBm (105 dBuV) @V-band
-5~-8 dBm (100-103 dBuV) @470-950 MHz

-14 dBm (94 dBuV) @1200-1350MHz

Digital Attenuator

Range:+6/-25dB* , Step size 1dB 


30dB@470-950 MHz


Spectrum Shoulder (Adjacent channel)


Phase noise

<-92dBc @ 10kHz

Carrier Suppression >42dB
USB port USB 2.0 or USB 1.1
Power 5V DC (USB Bus Power)
390mA (Tx and Rx)
170mA(Rx only)
340mA(Tx only)
Dimensions (LxWxH) 75x 30 x 15mm

     Note: There could be MER loss in high gain/attenuation level.

Digital Signage Application Scenario-Wireless


Digital Signage Application Scenario-Wired


Mini-headend full HD TV Broadcast System



System Deployment Example - Bus Topology