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Description
Blonder Tongue Headend Passive Combiner (12-Port)Combine up to 12 Single Channel Sources Isolation and RFI Shielding Separate 20 dB Test Port 1RU Rackmountable Chassis The 12 port Headend Passive Combiner from Blonder Tongue is designed for use in a headend to combine the outputs from up to 12 single channel devices such as modulators and processors. It supports a frequency range of 5 to 1000 MHz. Designed to provide high isolation, low net combing loss and featuring RFI shielding to minimize egress
- Combine up to 12 Single-Channel Sources
- Isolation and RFI Shielding
- Separate -20 dB Test Port
- 1RU Rackmountable Chassis
The 12-port Headend Passive Combiner from Blonder Tongue is designed for use in a headend to combine the outputs from up to 12 single channel devices such as modulators and processors. It supports a frequency range of 5 to 1000 MHz.
- Designed to provide high isolation, low net combing loss and featuring RFI shielding to minimize egress or ingress interference
- Front-panel, 20 dB test port on 75 ohm F type connector allows testing unit without service interruption
- 1RU rackmoutable chassis
In the Box
Blonder Tongue Headend Passive Combiner (12-Port)
- Limited 3-Year Warranty
| Performance | |
|---|---|
| Maximum Insertion Loss | 5 to 40 MHz: 14.3 dB 40 to 450 MHz: 14.3 dB 450 to 750 MHz: 15 dB 750 to 1000 MHz: 16.5 dB |
| Minimum Isolation | 5 to 40 MHz: 30 dB 40 to 450 MHz: 32 dB 450 to 750 MHz: 30 dB 750 to 1000 MHz: 28 dB |
| Test Port | 5 to 40 MHz: 20+ / -0.5 dB 40 to 450 MHz: 20+ / -0.5 dB 450 to 750 MHz: 20+ / -0.5 dB 750 to 1000 MHz: 20+ / -0.5 dB |
| Input Return Loss | 5 to 40 MHz: 20 dB 40 to 450 MHz: 20 dB 450 to 750 MHz: 20 dB 750 to 1000 MHz: 18 dB |
| Output Return Loss | 5 to 40 MHz: 20 dB 40 to 450 MHz: 20 dB 450 to 750 MHz: 18 dB 750 to 1000 MHz: 18 dB |
| Impedance | 75 ohm |
| General | |
|---|---|
| Connectors | Inputs: 12 x F type female Output: 1 x F type female Test Port: 1 x F type female |
| Rack Height | 1 RU |
| Dimensions | 19 x 8 x 1.8" (483 x 203 x 44 mm) |
| Weight | Not specified by manufacturer |
| Packaging Info | |
|---|---|
| Package Weight | 6.0 lb |
| Box Dimensions (LxWxH) | 23.622 x 12.047 x 4.095" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 1
Buy something better
This relay has experienced failure again after just a couple of months of use. It's not the mag coil that fails but rather the contacts are of such low quality that they corrode beyond their ability to conduct power, and fast. I have had to change two of these so far and am on the third one. The seller will ship replacements but who wants to keep replacing them? I have to travel in my RV with a spare. This relay has never been exposed to the elements. It's safely mounted inside a sealed bay. Be aware of any brands that look like this, they are all the same.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Works great
I added extra batteries to run a truck camper without killing my main battery and this works great. Simple to install and i have no had any problems in the pay few months and i use it every single day
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Reviewed in the United States on April 18, 2021
★★★★★ 5
Installed in my RV.
This product works well. It is somewhat difficult to mount. The contact points are a little too close together. These deficiencies are understandable given its low cost and small size.
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Reviewed in the United States on January 18, 2021
★★★★★ 5
Good quality
Used this to relocate my battery to the rear of my longbed truck, flexible and easy to work with
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Good stuff.
Great wire for the cost. Works perfect for my project.
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Reviewed in the United States on December 28, 2025
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