Compact live streaming 4K camcorder with SDI and broadcast overlay


    Whether you're shooting 4K Ultra HD, 4:2:2 full HD or streaming to the web, the GY-HM250E does it all. Its integrated 12x optical zoom lens and 4K CMOS sensor deliver stunning 4K Ultra HD recordings directly to SDHC/SDXC memory cards, together with dual codec advanced streaming technology. The camera also has a tele-macro mode for better focus on close objects and features lower-third and full-screen titling graphic solutions.

    Full HD 4:2:2 recording at 50Mbps

    The ability to record H.264 4:2:2 24-60p at 50Mbps makes this an ideal camera for broadcasting and production houses alike. The colour accuracy of 4:2:2 enables the camera to deliver exceptional colour resolution even when images are in sharp contrast to the background. This is particularly useful when strong colours are in contrast to bright backgrounds, or in green screen usage.

  • Advanced IP network communication and live HD streaming

    The camcorder features JVC's latest IP communications engine, giving you remote control and monitoring of vital camera and lens functions from a tablet, smartphone, or computer anywhere in the world. Live streaming is possible in HD or SD resolutions, depending on available bandwidth. Connect your camera to an optional Wi-Fi or 4G/LTE modem and share your programme with an audience anywhere in the world via content delivery networks such as YouTube, Facebook Live, and other cloud services.

    1/2.3-inch 12.4M CMOS sensor

    This camcorder was built to deliver stunning, life-like 4K Ultra HD (3840x2160) video. JVC’s 4K CMOS sensor with 12.4M pixels delivers high sensitivity and excellent performance over a wide range of lighting conditions. Details are crisp and accurate throughout the entire image plane.

    HD-SDI (3G) and HDMI output

  • The camcorder comes with a wide variety of connectors to meet the needs of professional applications, including HD-SDI (3G) and HDMI. Secured digital connection is assured between external devices such as a recorder or switcher. Simultaneous output from both SDI and HDMI is also possible.

    12x optical zoom and seamless 24x dynamic zoom

    The ultra high quality imagery begins with a precision 12x F1.2–3.5 optical zoom lens (35mm equivalent: 29.6–355mm). When shooting in HD mode, Dynamic Zoom combines optical zoom and pixel mapping from a 4K image sensor to create seamless and lossless 24x zoom. This allows the camera to have a long zoom range while retaining its compact form factor.

    120fps high-speed recording for slow motion playback

  • The camcorder allows high-speed recording at up to 120fps (59.94Hz) / 100fps (50Hz) for smooth slow motion playback. This can be used to create artistic effects or to review action replays when examining sporting skills. The feature is only available at 1920x1080 resolution only, and offers up to 1/5 slow at 24p mode.

    Detachable handle unit with professional XLR audio

  • The detachable heavy-duty handle makes the camcorder easy to carry and also makes it simple to shoot from low angles, thanks to its built-in REC button with lock function, and zoom lever. XLR audio inputs are provided for the attachment of a professional microphone or for LINE input, complete with Phantom power supply capability.


    • 4K Ultra HD recording (150 Mbps, 24/30p) to SDXC (UHS-I Speed class3) card
    • 4:2:2 full HD recording at 50Mbps (24-60p)
    • HD-SDI (3G) and HDMI outputs (4K output via HDMI only)
    • Live 4K UHD output via HDMI connector
    • High quality integrated 12x F1.2-3.5 zoom lens (35mm equivalent: 29.5-354mm)
    • Single 1/2.3-inch CMOS image sensor with 12.4 million pixels (9.03 active)
    • Broadcast features • Customizable graphic overlays (on/off switchable) • Option for custom broadcaster logos, watermark, time and temperature • Selectable pre-loaded logos
    • IP network remote control, remote viewing, metadata editing, FTP clips (requires appropriate network connection and adapter)
    • Advanced JVC streaming engine compatible with USTREAM, Zixi and Wowza Streaming Engine
    • 3.5-inch colour LCD display (920K pixel) with smart focus assist function
    • 0.24-inch colour viewfinder (1.56M pixel) with smart focus assist function
    • 120fps HD slow motion recording
    • Built-in stereo microphone
    • Dynamic zoom in HD mode combines optical zoom and pixel mapping to create seamless and lossless 24x zoom
    • External microphone and WIFI or LTE Dongle not included
    • Includes handle unit and SSL-JVC50 7.4V battery, AC Adapter
    • 2 position ND filter (1/4, 1/16)
    • Dual SDHC/SDXC slots enable dual, backup and continuous recording
    • Wired remote control supported
    • 9 user button assignable functions
      Technische Specificaties

      GY-HM250E - Compact live streaming 4K camcorder with SDI and broadcast overlay

      Camera Front-End Specifications
      Image Sensor (inch)
      1/2,3 Inch CMOS
      Number of Sensors
      Mega Pixels
      Gain in dB
      0 to 36
      Shutter speed
      1/4 to 1/10000
      White Balance modes
      FAW, AWA, 3200K, 5600K, Manual
      Color Matrix adjustment
      Wide Dynamic Range Mode (WDR)
      User selected function buttons
      Yes, 13 (9 Buttons 4 Cross shaped)
      User Customizes Menu
      Optical Specifications
      Lens mount
      Optical Zoom X times
      Dynamic Zoom x times
      Lens F Number
      1.2 to 3.5
      Lens ratio from / to
      4.67mm to 56.04mm
      Lens ratio equivalent to 35mm
      29.6mm to 355mm
      Auto Focus
      Special Auto Focus Features
      Area Focus, Near/Far Modes, Face
      Optical Image stabilization
      Filter Diameter in mm
      Build in ND Filters
      2 Filters: 1/4, 1/16
      Recording Formats
      Media Class
      4K/70 Mbps,HD and below Class 10
      4K/150Mbps UHS1-U3 (no UHS-2)
      Recording slots
      File Format MOV
      File Format AVCHD
      Video Codec MPEG4 AVC/H264 4K/HD
      Video Codec AVCHD
      Recording specials
      4:2:2 HD Record (H.264,50Mbps)
      Simultaneous recording on 2 cards
      Simultaneous recording in 2 modes
      Recording Resolution Formats
      Resolution 3840 x 2160
      Yes, 29,97p/25p/23.98p
      Resolution 1920 x 1080
      Yes, 60p/50p/30p/25p/24p/1080i60/i50
      Resolution 1440 x 1080
      Yes, 60i/50i
      Resolution 1280 x720
      Yes, 60p/50/30p/25p/24p
      Resolution 720 x 576
      Yes, 50i
      Resolution 960 x 540
      Yes, 30p/25p/24p
      Resolution 480 x 270
      Yes, 30p/25p/24p
      High Speed Recording
      High Speed Recording Modes
      1920x1080 QuickTime (MPEG-4, AVC/H.264)
      Recording Data rate 1
      150 Mbps (UHD)
      Recording Data rate 2
      70 Mbps (UHD)
      Recording Data rate 3
      8,17,24,28 Mbps (AVCHD)
      Recording Data rate 4
      35 Mbps (UHQ)
      Recording Data rate 5
      50 Mbps (XHQ/YUV422)
      Recording Data rate 6
      8 Mbps (SD)
      Recording Data rate 7
      9,8,5,3,1.2,0.8,0.3,0.2 (WEB)
      SD Recording
      Interval Recording
      Pre Rec (retro) recording
      Yes, 5 sec. (4K)
      5,10,15 sec. (HD/SD)
      Clip Trimming
      Audio Channels
      Audio Recording modes
      LPCM 2ch, 48 kHz/16 bit (4k/HD/SD MOV), AC3 2ch (AVCHD), μlow 2ch (Proxy)
      IP Section of the Product
      IP Main Connection
      USB A Host
      IP Connection supports
      Ethernet, WIFI - and LTE USB Adapters
      IP Features Live-Streaming
      IP Features Remote
      Yes, Via Web-Browser (no apps needed)
      IP Features FTP
      Yes, Different protocols
      IP Features Meta-Data
      Yes, Local and Remote editing and data exchange
      Live-Streaming Bitrates
      1920 x 1080 (59.94i/50i) Audio AAC 128 k 12/8/5/3 Mbps
      1280 x 720 (59.94p/50p) Audio AAC 128 k 12/8/5/3 Mbps
      1280 x 720 (29.97p/25p) Audio AAC 128 k 8/5/3/1.5 Mbps
      720 x 480 (59.94i) 720 x 576 (50i) Audio AAC 128 k/64 k 8/5/3/1.5/0.8/0.3 Mbps
      640 x 360 (29.97p/25p) Audio AAC 128 k/64k 3/1.5/0.8/0.3 Mbps
      Live-Streaming Protocols
      Live-Streaming Single cast
      Live-Streaming Multicast
      Live-Streaming reconnect
      Live-Streaming and simultaneous REC
      Live-Streaming Pre-sets of destinations
      FTP Protocol formats
      FTP / SFTP / FTPS
      FTP upload during REC
      FTP servers presets
      Meta-Data presets of servers
      Note for all kind of USB Adapters
      The connection to a network will be made by the USB Host Port of the camcorder (on the right back end side of the camcorder).
      Please select the device which you are going to use:
      WIFI dongle / 3G/4G dongle or a CAT Network adapter.The Adapter you going to be use must be a registered Adapter (see attached compatible list), cause all of these Adapter needs dedicate drivers, which to be implemented into the camcorder.In the case for LTE adapters, there must be done a pre-set of these dongles in your local PC first!
      Recommendation for WIFI USB Adapters (EU only)
      Please Note: Sometimes the Manufacturers change the Revision of the Chip-sets, but product name not changed, we can´t track such issues so may its possible that such a dongles even its mentioned here, may not work.
      The Adapters below are work able in the 2,4 GHz and 5 GHz infrastructure.
      WIFI Dongle 1
      Sitecom WLA.1001
      WIFI Dongle 2
      EnGenius EUB1200AC /Realtek RTL8812AU
      WIFI Dongle 3
      ASUS USB1200AC /Realtek RTL8812AU
      WIFI Dongle 4
      D-LINK DWA-172 (revA1) /Realtek RTL8811AU
      WIFI Dongle 5
      EDIMAX EW-781UTC /Realtek RTL8811AU
      WIFI Dongle 6
      D-LINK DWA-171(revA1) /Realtek 8811AU
      WIFI Dongle 7
      TP-LINK Archer T4U /AC1200 Realtek8811AU not T4U V2.0 AC1300!!
      WIFI Dongle 8
      Wideland (over Amazon) ACWIFI DEWIFIC001A
      Recommendation for Ethernet adapters
      Ethernet Dongle 1
      EDIMAX EU-4208
      Ethernet Dongle 2
      Sitecom LN-030 V2 not Sitecom LN-030 V3
      Ethernet Dongle 3
      Hamlet HNU2GTX
      Ethernet Dongle 4
      D-LINK DUB-E100 (rev C1)
      Recommendation for 3G/4G (LTE) Adapters
      Dear Customer, for the most countries we have a recommendation of adapters, please download our info sheet for LTE support, below you find a special recommendation, which should work in the most countries.
      LTE Specials 1
      Universal LTE dongle
      Huawei E8372LTE Wingle
      so far works with Telekom/O2/Vodafon , others not tested yet.
      Special Features
      Overlay for Broadcast-News
      Self Modify Templates via SDP Generator
      Yes, For News
      Text support
      Logo support
      Yes, Free Position
      Full Screen Graphics
      Yes, PNG or JPG Files Max 50 Images
      LIVE Logo
      Yes, Self design
      Overlay output selection
      Yes, REC
      LIVE out
      IN-OUT´s Connections
      Yes, 3G HDSDI
      OUT HDSDI Format max.
      1080/60p,50p 8 Bit 4:2:2 EE
      OUT HDMI
      OUT HDMI Format max.
      2160/30p,25p,24p 8 bit 4:2:2 EE
      1080/60p,50p 8 bit 4:2:2 EE
      OUT AV
      Yes, 3.5mm mini jack
      OUT Audio Line
      Yes, 1 times 3.5mm mini jack
      OUT Audio Headphone
      Yes, 1 times 3.5mm mini jack
      IN Audio XLR MIC/LINE
      Yes, 2 times supports LINE and MIC Level with +48V
      IN Audio AUX
      Yes, 1 times 3.5mm mini jack
      Build in Microphones
      Yes, Stereo MIC
      Wired remote IN
      Yes, serial LANC 2.5mm mini jack
      USB HOST
      USB Data Exchange (Storage)
      EVF and LCD
      Operation Panel Type
      Operation Panel Resolution
      Operation Panel Size diagonal in inch
      Electronic Viewfinder (EVF) Type
      Electronic Viewfinder (EVF) Resolution
      Electronic Viewfinder (EVF) Size diagonal in inch
      Power and Enviroment Spec´s
      Power AC
      Yes, DV12V(AC Adapter)
      Power DC
      Yes, 12 Volt, Battery 7,4V
      Battery types
      SSL-JVC50 / SSL-JVC75 IDX
      Power consumption
      Approximate 7,9W with VF in 4K REC mode, default settings
      Operation Temperature in Celsius degrees
      0 to 40
      Storage Temperature in Celsius degrees
      -20 to 50
      Operation Humidity in %
      30 to 80
      Storage Humidity under %
      Mechanical Informations
      Weight in kg
      1,6 include battery
      Measurements (WxHxD) in mm
      W 149 x H 191 x D 307
      Handle removable
      Include Package
      Yes, 1 SSL-JVC50
      AC/DC adapter
      Handle unit
      Yes, with Professional Audio XLR support
      General Editing Note
      Simulated pictures.The values for weight and dimensions are approximate.E.&O.E. Design and specifications subject to change without notice.
      Product Support

      GY-HM250E - Compact live streaming 4K camcorder with SDI and broadcast overlay



      SDP Generator V06_028 is an application to generate a data file (SDP file) for import images to a JVC camera that supports overlaying of images. This application allows you to display the following for the supported models: - Scoreboard Overlay: Overlay team logos and multilingual characters in images as team names on a scoreboard. - Broadcast Overlay: Display texts, images and watermark on camera video. - Preset Position Overlay: Display the overlay at a preset position by configuring the display setting of the overlay image in addition to various settings of the preset mode. The image format supports PNG, JPG and BMP. (PNG is recommended)
      141.5 MbDownload


      Programmers interface API: This document describes commands to control JVC cameras via network. Please note: The API is unsupported from our site, thanks for your understanding.
      1.71 MbDownload



      How to update Firmware on GY-HM2x0 series..
      242.52 KbDownload

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