The Gefen Inc. VGA-AUDIO-141 VGA & Audio Extender is a transmitter and matching receiver kit that allows a user to separate computer components up to 150' (46 m)—far beyond the reach of standard desktop cables.

It uses inexpensive and common CAT5 network cable to connect the sender and receiver over great distances. It supports HD video and does not degrade the resolution during transmission.

Sample applications include broadcast or security installations where a computer needs to be in a remote and/or secure location away from the displays.

Extends any VGA compliant device up to 150 feet (46 m) away from the computer

Helps to eliminate computer noise or hum and electro-magnetic interference created by desktop computers

Uses one inexpensive standard CAT-5 network cable to connect sender and receiver

Supports resolutions up to 1080p, 2K, and 1920 x 1200

Related Questions and Answers

Q: 1. I imagine the RF frequencies used with the 400S Pro are the same used for all Hollyland units (thanks FCC!), would I be able to use a Cosmo 1000+ receiver with a 400S Pro transmitter?

A: Hi David, sorry to tell you that the Hollyland Mars series and Cosmo series used different RF frequencies, so it's not be able to use a Cosmo 1000+ receiver with a 400S Pro transmitter.

Q: 2. Can you use the D-Tap to 2.1mm Barrel DC Power Cable with the 400 pro?

A: Hi Alec, yes of course.

Q: 3. Whats the difference between this model and the similar 400S ?

A: Hi Gregory, this Pro version has more new features like HD mode, APP firmware upgrade, RTSP Pull-stream...

Q: 4. Are videos in mobile app, Hollyview, able to scrub between previous scenes to live stream? Ie can I review video on an iPad

A: The HollView app allows you to monitor the video feed of the connected camera on a mobile device. It will not let you preview clips you have already recorded in camera. You can find more info on specific features the app offers in the description on the app store.

Q: 5. how many kits can be used simultaneously?

A: Hi Carlos, Up to 3 sets can be used in the same location. Choose different frequency channels with the number difference between each two channels bigger than 2 Place each RX at least 0.5m away from the other Place all RX 1.7m above the ground

Q: 6. Would this work with a HDMI splitter so that I could use a Atomos ninja v?

A: Yes

Q: 7. What is the power requirement of the transmitter if powered by the usb-c port?

A: The USB-C ports on the Hollyland Mars 400S PRO SDI/HDMI Wireless Video Transmission System requires 5 VDC up to 2 A. The power requirements are the same for the transmitter and the receiver.

Q: 8. Is it possible to power on and off the receivers remotely? I am looking for a way to get a wireless video signal to a projector that is mounted from the ceiling of a high school gym.

A: The power button on the unit is a physical switch so you could leave it in the on position and use a wireless remote power switch.

Q: 9. CanI use three receivers with one transmitter all on the same channel?

A: Hi Frank, you can use maximum one transmitter with 2 receivers on the same channel. Or 1 transmitter with 0 Receivers + 4 APP, or 1 transmitter with 1 receiver + 2 APP for wireless monitoring.

Q: 10. It looks like there are some rounded holes on the back for a fan that may be inside the units. If so, I'm curious if they generate noise that might interfere with audio on set. ?

A: There is some noise that, depending upon room conditions, may interfere with audio on set.