Description

https://www.freetv.ie/modulator/

Quad Channel Digital HDMI Modulator
DVB-T/ISDB-T VHF/UHF With FAST PRE-CONFIG Function (50 IDs Selectable)
CONFIG DATA Function (USB Extract, Easy Upload to Each Sub-unit Modulator)
INPUT Signal
4x HDMI v1.4a
OUTPUT Signal
2x Outputs, Up to Full HD (1080i, Ip to 1080p @ 30fps)
Digital Terrestrial DVB-T/ISDB-T Signal, MPEG4
Aspect Ratio: 16:9 Wide Screen, 4:3 Letter Box, 4:3 Pan Scan
Frequency Range:
VHF (CH. 5-12)
UHF (CH. 21-69)
RF Output Level: Factory Default 90 dbμV With Adjustable Gain <= +6dbμV or Attenuation >= -14dbμV
MER: >35dB at Maximum RF Output Level
Symbol Rate
6MHZ: Up to 2x8000 MBPS
7MHZ: Up to 2x9000 MBPS
8MHZ: Up to 2x10000 MBPS
Bandwidth: 6MHZ, 7MHZ, 8MHZ
Video Encoder MPEG1, MPEG2 MP@HL , MPEG4 SP@L3 to ASP@L5, MPEG4 AVC HP @level4.1, [email protected]
Audio encoder MPEGI L1/2, MPEGII LII, AAC LC, HE-AAC v1/v2 (2-CH)
Processor System: CPU 4x 200MHz 32Bits RISC
Memory: 4x DDR2 16bit 512Mbits (Embedded) & NOR Flash 32Mbit
Input: HDMI 4x v1.4a
USB Type: 4x USB 2.0 HOST, FAT32 Support
4x 4-Digit LED Display
Power supply: 12Vdc ~ 3ADimensions: 255x195x45mm
Colour: Black
CC 85176100 0.8kg Y

USES of HDMI Modulator

To convert a up to 4x HDMI signals to 2x DVB-T MPEG4 outputs

ADVANTAGES of HDMI Modulator

It gives a 2x DVB-T outputs which is sufficient to feed a number of DVB-T capable TVs (via a splitter)
HD modulator is easy to install and operate
50 pre-configured & easily selectable ID's for quick programming, when using more than 1 modulator in the same installation

DISADVANTAGES of HDMI Modulator

HDMI modulators are more expensive than a standard definition modulators
Is not compatible with Freeview TVs that do not support MPEG4 HD video
There is no RF in so it is not stackable