Description
The SW-120-TX3 is an HDBaseT 3.0 switching transmitter designed to switch two high-resolution sources and deliver uncompressed AV over a single category cable. It combines HDMI and USB-C inputs, USB host support, and a dedicated HDBaseT output to extend 4K60Hz 4:4:4 content up to long distances. The unit also supports power delivery to connected USB-C devices providing up to 60 watts of charging.
This transmitter supports automatic or manual switching between HDMI and USB-C sources and offers CEC trigger signaling to simplify system control and source power on/off behaviors. It includes USB 2.0 host passthrough for HID devices and three local USB device ports to support multiple peripherals simultaneously. The device also supports source audio de-embed and a separate analog audio pass-through lane for independent audio routing.
Performance specifications include a 600MHz pixel clock and support for 3840×2160@60Hz 4:4:4 8bit and 1920x1080p@60Hz 12bit resolutions. The SW-120-TX3 supports HDR formats including HDR10, Dolby Vision and HLG and complies with BT.2020 and BT.2100 color spaces. HDCP 2.3 support ensures compatibility with the latest protected 4K UHD sources.
Connectivity is comprehensive, featuring 1x HDMI Type A input, 1x USB-C input supporting Alt Mode, 3x USB Type-A device ports, 1x USB Type-B host, 1x line-in 3.5mm stereo, and a shared RS-232 3-pin Phoenix port. The HDBaseT output carries HDMI, USB, bidirectional RS-232, EDID, HDCP 2.3 and bidirectional PoH. Local analog audio out and RS-232 passthrough are also provided to integrate with room audio systems and control processors.
The SW-120-TX3 is suitable for lecture halls, classrooms, and corporate meeting spaces where switching between presenter laptops and USB-C devices is common. It supports USB-C charging and USB HID device passthrough, enabling touch panels, keyboards, mice and other peripherals to be extended and controlled remotely. CEC trigger and API-driven routing simplify automation in integrated AV systems.
Installation is straightforward with standard mounting brackets and a compact in-wall friendly chassis designed for rack or wall-mount installations. The transmitter supports bidirectional PoH and can either power the receiver or draw power from it when configured. Built for reliability, the SW-120-TX3 pairs modern connectivity with practical control features to streamline AV deployments – delivering a reliable foundation for 4K classrooms and boardrooms.
Free Ground Shipping
We offer free ground shipping on every purchase of $300 and more for US and US territory. Please choose "Free Ground Shipping (UPS/USPS)" option at checkout.
UPS Ground
UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations. UPS Ground does not deliver on Saturdays, Sundays or Holidays.
USPS Priority Mail/USPS Express Mail
For all shipments shipped via USPS, we offer 'DELIVERY CONFIRMATION' number with each package. Difference between tracking number provided by UPS vs USPS Delivery Confirmation number is: Delivery Confirmation status is updated when the delivery has been made or when the package has made it through major USPS stations.
Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. AVProSupply has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.
International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.
Most items ordered from AVProSupply will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.
We Offer A 30-Day Money Back Guarantee:
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.
Refunds:
Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.
Exchanges:
If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.
No Returns/Exchanges on the following:
- TVs and monitors 20" and larger
- Special Order merchandise
- Any item indicated on the website as non-returnable
For more information see our official Return Policy