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Coax to CAT5 Video Balun - 2 Req'd

Coax to CAT5 Video Balun  - 2 Req'd


Coax to CAT5 Video Balun (video on pins 7,8)

Needs to be bought in pairs

Does not work in reverse i.e. CAT5 to coax

Order Information
Part Number:RF-female-balun
Price:$32.00
Availability:Contact us for availability
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This Coax to CAT5 Video Balun (video on pins 7,8) allows RF/coax connectors to be run over CAT5 cabling. Needs to be bought in pairs for one SEND unit and one RECEIVE unit.

This Coax to CAT5 Video Balun does not work in reverse i.e. CAT5 to coax and needs to be bought in pairs.

Coax to CAT5 Video Balun Features:

  • Usage: Works on either side (camera or monitor)
  • Device category: Passive
  • Connector for camera/monitor: F-Type Male
  • Connector for the wires: RJ45 jack
  • Wire required: CAT5 or CAT6
  • Maximum Distance: 1,000 ft
NOTE: Two are required with one as a SEND unit and the other as a RECEIVE unit.

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NOTE: Two are required with one as a SEND unit and the other as a RECEIVE unit.

Coax to CAT5 Video Balun Technical Specs:

  • Frequency response: DC to 6.5 MHz
  • Attenuation: RL = 75 to 100: 0.4 dB RL = 75 to 600: 1.2 dB
  • Impedance: Coax - 75 ohm UTP / telephone cable - 100/600 ohm
  • Coax: unbalanced, 75 ohm
  • UTP C5E: balanced twisted pair, 24 AWG, 100 ohm
  • Telephone cable: balanced twisted pair, 26-28 AWG, 600 ohm

Coax to CAT5 Video Balun Power Needed:

  • AC Adapter Requirement: none required

Coax to CAT5 Video Balun Dimensions:

  • 0.63" (16 mm) x 1.44" (36mm) x 0.88" (22mm)









This Coax to CAT5 Video Balun does not work in reverse i.e. CAT5 to coax and needs to be bought in pairs.

NOTE: Two are required with one as a SEND unit and the other as a RECEIVE unit.

Frequently Asked Questions (FAQ):

1. What is the bandwidth limitation of the Coax to CAT5 Video Balun? The Coax to CAT5 Video Balun has a bandwidth limitation of 900 MHz, which corresponds to North American CATV channel 142.

2. Does the Coax to CAT5 Video Balun support satellite dish RF? No. Due to the bandwidth limitation of the balun and the signal attenuation of unshielded twisted pair, the Coax to CAT5 Video Balun does not support satellite RF.

3. Which pins of the Coax to CAT5 Video Balun carry the signal? Pins 7&8 of the RJ45 carry the signal. The pin numbering is from left to right looking into the jack with the tab down.

4. Does the Coax to CAT5 Video Balun support digital cable and HDTV channel programming? Yes, providing the digital cable channels are modulated onto channel frequencies that are within the 900 MHz bandwidth of the Coax to CAT5 Video Balun.

5. Does the Coax to CAT5 Video Balun support broadband Internet? Yes. Broadband Internet typically occupies channel frequencies up to 864 MHz and is within the bandwidth of the balun.

6. If Category 7 cable is used, will better distance performance be achieved? Yes. Marginally better distance performance will be achieved due to the higher bandwidth of Cat7 cable.

7. How do I know whether distance has been exceeded? Some of the channels display a snowy image, indicating insufficient signal power. In this case, it may be necessary to insert an RF amplifier ahead of the Coax to CAT5 Video Balun in order to boost the signal at the receiver.

8. Can the Coax to CAT5 Video Balun be used to allow the coax cable between a satellite dish and satellite receiver be replaced by Cat5 UTP? No. The bandwidth of the balun and the Cat5 are insufficient to support RF video transmission in the satellite frequency range. Satellite dish signals are typically in the gigahertz range.

9. Can the Coax to CAT5 Video Balun be used between the RF output of a satellite receiver box and the TV tuner? Yes. The RF output of the satellite receiver is within the 860 MHz range and therefore is supported by the balun and Cat5E/6 cable.

10. Will doubling up the twisted pairs improve performance? No. In regard to the Coax to CAT5 Video Balun and based on testing there is performance degradation if the twisted pairs are doubled up. In the lab, it was found that there was 55% more signal loss versus no doubling. The lower performance is mainly due to impedance mismatch since the doubled twisted pairs present a 50-ohm impedance to the balun instead of 100 ohms.The test was performed using a 200 ft length of Category 5e UTP cable and a second Cat5e cable with pins 7&8 "doubled up". The result was approximately 6.8 dB (55%) more signal loss than if there was no doubling-up. Consequently it is not recommended to double-up twisted pairs when using the Coax to CAT5 Video Balun in the RF environment.

11. Does the Coax to CAT5 Video Balun support off-air local channel active antennas? Yes. Active local antennas typically support channel frequencies up to 864 MHz which is within the bandwidth performance of the Coax to CAT5 Video Balun.

12. When using the Coax to CAT5 Video Balun, can RF video co-exist with other low-voltage services such as voice and data under the same Category 5 cable bundle? Yes, the crosstalk immunity of the Coax to CAT5 Video Balun and twisted pair cable is excellent.

13. Does the Coax to CAT5 Video Balun support over-the-air (OTA) digital channels? Yes. It supports OTA digital channels. However, due to the low signal power from a passive OTA antenna, it may be necessary to add an RF amplifier in front of the source balun or use an active OTA antenna.

14. Does the Coax to CAT5 Video Balun support Direct TV? The Coax to CAT5 Video Balun allows coax cable to be replaced by Cat5e cable provided that the Direct TV coax cable is from a cable TV provider and not from a satellite dish.

15. When using the Coax to CAT5 Video Balun there is ghosting. Is there any remedy? The ghosting is likely due to a local off-air station that is broadcasting at high power and is interfering with the CATV channel. One solution is to amplify the CATV feed so that it is stronger than the off-air station signal

16. Does the Coax to CAT5 Video Balun support QAM? Yes. Providing the frequency range is between 5 and 860 MHz.

17. Does the Coax to CAT5 Video Balun support 50 ohm (RG8) radio frequency microphone? No. The impedance is not the same and therefore there would be too much signal loss.

18. Can the Coax to CAT5 Video Balun be used to send an IP signal over coax instead of using Cat5e/6? No.

HDTV Supply includes a 1 Year Limited U.S. Warranty on this Coax to CAT5 Video Balun. The U.S. warranty states that (a) its products will perform substantially in accordance with the accompanying written materials for a period of 1 year from the date of receipt and (b) that the Coax to CAT5 Video Balun will be free from defects in materials & workmanship under normal use & service for a period of 1 year. In order to get a warranty replacement for a defective item, HDTV Supplys Support Team will verify the product is eligible for warranty. An RMA number will then be issued. Shipped replacements will be in like new conditions, tested and all components included. A 30-day RETURN also comes with this warranty as well as Free Lifetime Tech Support.

HDTV Supply also sells a 3 and 5 Year Extended U.S. Warranty for this Coax to CAT5 Video Balun. Please go to Extended Warranties or see the above Options to purchase it.


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Coax to CAT5 Video Balun - 2 Req'd

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