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Contemporary Research 232-ATSC 4K HDTV Tuner w/ Power Supply & Rack Mount Kit

Model: 5114-001

Contemporary Research 232-ATSC 4K HDTV Tuner w/ Power Supply & Rack Mount Kit
Contemporary Research 232-ATSC 4K HDTV Tuner w/ Power Supply & Rack Mount Kit
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About: Contemporary Research 232-ATSC 4K HDTV Tuner w/ Power Supply & Rack Mount Kit

The 232-ATSC 4K HDTV Tuner, our 5th-generation ATSC HDTV tuner, adds new capabilities to the industry-standard 232-ATSC series. New features include decoding H.264 programs up to 1080p, output scaling up to 4K, and IPTV output stream. The tuner is fully compatible with RS-232 control commands for previous models.

The integrator-friendly HDTV tuner is controllable via 2-way RS-232, IP Telnet and UDP, as well as wireless and wired IR commands. Onboard web pages enable remote configuration, control, and monitoring from a web browser.

A full-featured, commercial grade HDTV tuner, the 232-ATSC 4K can receive both analog and digital MPEG-2/H.264 channels, in ATSC, NTSC, and clear QAM formats. Using an optional RF-AB switch, the tuner can switch between separate antenna and cable feeds. 


  • Tuning 
    • ATSC air and Clear QAM cable channels
    • NTSC analog air and cable channels 
    • Air channels 2-69 
    • Cable channels 2-135, Standard, HRC, and IRC
  • Decoding 
    • MPEG-2 or H.264 digital channels 
    • Supports AC-3, MPEG-1 Layer 2, or AAC audio formats 
    • Supports multiple audio programs
  • Video
    • HDMI Type A, Version 1.4b 
    • Analog component RCA and HD15 RGBHV (VGA) outputs, selectable YPbPr or RGB 
    • Analog composite video output 
    • Output scaling to 480i, 720p, 1080i, 1080p, 2160p or Auto
  • Audio 
    • HDMI embedded AC-3 pass-through, PCM Fixed, or PCM Variable 
    • S/PDIF coaxial and optical AC3 pass-through, PCM Fixed, or PCM Variable 
    • Variable Analog stereo
  • Closed Captions
    • Decodes analog and digital closed captioning 
    • Caption data available as Line 21 closed caption data on composite video output
  • Setup and Control
    • Control via front panel, optional IR remote, on-board web pages, or RS-232 commands
    • Two-way control via RS-232, Telnet, or UDP for use with third-party control systems.
    • RS-232 can be daisy-chained to control up to 9 tuners from a single RS-232 port
    • CEC control available on HDMI output for most CEC enabled displays.
    • Setup via Front panel menu, On-screen menu, web pages, or RS-232 commands.
    • Firmware updatable over Ethernet with CR Toolbox software
  • IPTV Output
    • Passes through IPTV stream from received digital channel
    • Stream all programs, individual program, or tuned program


  • Physical 
    • 8.5” [216mm] wide x 1.75” [44mm] high (1RU) x 8.0” [203mm] deep 
    • 1.81 lbs [822 g] 
    • 1RU Rack mounting for one or two units side-by-side (RK1, RK2EZ)
  • ​​Tuning
    • Air/Cable Input ‘F’, female, 75 ohm impedance, -10 to 25 dBmV typical 
    • Off-Air 2-69 (8-VSB and NTSC) and CATV 1-135 (64QAM, 256QAM, 8-VSB, NTSC) Standard, HRC, and IRC
    • Parental option for channels and/or rating 
  • IPTV Out 
    • Pass-through IPTV stream from received channel, selectable individual or all programs
    • RF Decoding 
    • Video - MPEG2, H.264 - 480i, 480p, 720p, 1080i, 1080p
    • Audio – AC3, MP1-2, AAC
    • Video Out 
    • Composite RCA video, 480i, carries closed caption data 
    • Component YPbPr 3 RCA (1080p/1080i/720p/480p/480i)
    • RGBHV HD15 female (1080p/1080i/720p/480p/480i)
    • HDMI receptacle, Type A, Version 1.3 (2160p/1080p/1080i/720p/480p/480i)
    • Audio Out 
    • HDMI AC-3/PCM/PCM variable level 
    • SPDIF Coax and optical output, AC-3/PCM/PCM variable level
    • Analog Stereo RCA variable level 
  • Control 
    • RJ-45 10/100 Ethernet for Web page access, Telnet, and UDP control 
    • DB9 male RS-232 1200 to 230K baud, 8 data bits, no parity, 1 stop bit
    • IR Input 3.5mm stereo jack for optional IR-RXC IR Receiver
    • A/C 3.5mm control output for optional RF-AB Air/Cable Selector Switch
    • Front Panel 
    • LCD Text display, white text on blue background
    • Power, Menu, Setup, and Select buttons
    • Up and Down (Channel Up and Down) buttons
    • Left and Right (Volume Up and Down) buttons
    • IR Sensor, Mini USB-B port
  • Power In
    • 2.1mm coaxial jack (inside center conductor positive), 1.1A maximum, 11 to 14 VDC, 12 VDC typical, 13.2W 45 BTU, 15.2 W 52 BTU including power supply, current draw 0.198A@114 VAC with power supply

Item Includes

  • PS12-1.5 Power Supply 1.5A maximum, 12 VDC
  • RKU Universal Rack Mount Kit

Reviews: Contemporary Research 232-ATSC 4K HDTV Tuner w/ Power Supply & Rack Mount Kit

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