UT-100 USB DVB-T Modulator Adaptor


Ref. Price: US$169~230


l   USB based modulator/demodulator with support for EN 300-744 DVB-T transmission and reception.

l   Powered from the USB bus, so no external power adapter is required.

l   Full hardware modulation/demodulation, no host CPU computation required.

Modulator (Transmitter)

l      Direct digital conversion to 50~950MHz and 1200~1350 MHz for excellent signal quality

l      Configurable bandwidth 2MHz ~ 8 MHz.

l      UT-100A/UT-100B/UT-100C support configurable bandwidth from 2MHz to 8 MHz.
      (Note: UT-100D supports only receiving and does not support transmitting.)
l      Support only non-hierarchy mode

l      Programmable digital attenuator

l      Free Windows Stream Player

l      Free Windows and Linux SDK

Demodulator (Receiver)

l      UT-100A supports Worldwide Free to Air Digital Terrestrial (DVB-T) Receptions (5/ 6 / 7 / 8 MHz)

l      UT-100B/UT-100D is a special custom version (supporting 2/3/4 MHz bandwidth) for amateur HAM TV reception.
      (Note:UT-100C supports only transmitting and does not support receiving.)
l      Standard Windows DVB-T BDA driver provided

l      Windows Media Center compatible DVB-T TV tuner


UT-100 - Applications

l      DVB-T 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 DVB-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 UT-100A 2/3/4/5/6/7/8 MHz
UT-100B 2/3/4/5/6/7/8 MHz
UT-100C 2/3/4/5/6/7/8 MHz
UT-100D n/a
Receiver UT-100A 5/6/7/8MHz
UT-100B 2/3/4MHz
UT-100C n/a
UT-100D 2/3/4MHz


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

Frequency range


50~950MHz and 1200~1350MHz
step size 1KHz
step size 1KHz

RF Output Level

0 dBm (108 dBuV)

Digital Attenuator 

Range:+6/-25dB* , Step size 1dB


50~950MHz, 35dB Typically
1200~1350MHz, 30dB Typically

Spectrum Shoulder (Adjacent channel)


Phase noise

<-92dBc @ 10kHz  

Carrier Suppression


USB port  

USB 2.0 or USB 1.1  


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