Triax MOD404TC 4x HDMI to RF COFDM Modulator

The TRIAX MOD404TC is a versatile quad HDMI modulator designed to distribute high-quality digital audio and video signals over existing coaxial cable networks. It supports up to four HDMI sources, including surveillance cameras, media players, satellite receivers, and computers.

The unit integrates H.264 encoding with selectable DVB-T (COFDM) or DVB-C (QAM) modulation, converting HDMI signals into RF output for reliable distribution to multiple receivers such as TVs or set-top boxes - even across long cable distances.

Features

• 4x HDMI Inputs
• Dual Output Modulation: DVB-C / DVB-T (2-in-1 solution)
• Wide Video Resolution Support: Input: 480i/p, 576i/p, 720p, 1080i/p, Output: Up to 1080p@50/60Hz
• Output Frequency Range: DVB-T: 177-858 MHz, DVB-C: 105-858 MHz
• Efficient RF Distribution: 2 RF output channels for 4 HDMI sources (2 HDMI sources per RF channel)
• Adjustable RF Output Level: 95 dBμV minimum, 0-30 dB attenuator (1 dB step adjustment)
• High Signal Quality: MER ≥ 35 dB
• User-Friendly Control: Integrated LCD display and front-panel buttons, Web-based control and firmware updates
• Compact & Rack Mountable Design
• Preconfigured Default Settings for DVB-C and DVB-T

Technical Specifications

INPUT

• Input Channel: 4
• Input Connectors: HDMI
• Video System: 480i/p, 576i/p, 720p, 1080i/p

RF OUTPUT

• Type: 1 F-type output ports for 2 carriers, 75 Ω
• Frequency: DVB-T: 177 - 858 MHz, DVB-C: 105 - 858MHz
• Output Level: 95 dBuV Min.
• RF Level Adjustment: 0 ~ -30dB
• Attenuation step: 1dB per step
• MER: 35dB Min.

MODULATION

• Video Resolution: 1080p 50/60 Max
• Video Compression: H.264 High/Main profile
• Video Bit Rate: 12Mbps Max
• Audio Compression: MPEG-2/AAC
• Audio Bit Rate: 192Kbit/s
• Editable Field: Service Name, Service ID, LCN, NIT Version, TS ID, Network Name, Network ID, Original Net ID, Country

DVB-T

• Standard: DVB-T (ETSI EN 300 744)
• Carrier (OFDM Mode): 2K,8K
• Guard Intervals: 1/4, 1/8, 1/16, 1/32
• Code Rate (FEC): 1/2, 2/3, 3/4, 5/6, 7/8
• Constellations: 64QAM
• Bandwidth: 6MHz, 7MHz, 8MHz, 7-8MHz

DVB-C

• Standard: DVB-C (ETSI EN 300 429 V1.2.1)
• Constellation: 64QAM
• Symbol rate: 2.0 ~ 6.96 Mbs symbols
• Bandwidth: 7MHz, 8MHz

MANAGEMENT / CONTROL

• Configuration: 6 Local keys on Upper cover
• Web Management: RJ-45 Ethernet port

GENERAL

• Display: LCD panel @ 2 x 16 characters (on front panel)
• Power Supply: AC 100~240V 50/60Hz
• Consumption: 17 W
• Languages: English
• Dimensions: 19”x12.5”x1.75”
• Weight: 2.2kg