Garage Door Opener RFI Kit

1725513113 - Garage Door Opener RFI Kit
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Hybrid 6:1 Current Balun + 1:1 Current Balun in one enclosure, 1.8-61 MHz, 1.5KW/5KW PEP

CB-6-1-1500
$149.95
In stock
1
Product Details
MPN: CB-6-1-1500EB or TS option, 1.5KW or 5KW option
Country/Region of Manufacture: USA
Input ohms/Output ohms: 50 in/100 out
Frequency Range < 2:1 SWR (MHz): 1.8-61 MHz
PEP Power Rating (watts): 1.5KW/5KW
Enclosure Size: 4"x4"x 2"(1.5KW), (6"x6"x4" 5KW)
Weight (pounds): 3 or 5 # for 5KW
Antenna Compatability: Off Center Fed


The CB-6-1-1500 is a CUBE(TM) enclosure containing a multi-core, broadband 6:1 impedance transformer (50 ohm coax input to 300 ohm balanced output) in series with a 1:1 current balun for extra common mode current choking to keep RF current off the outside of the coax braid and on the antenna where it belongs. The extra choking action also means that the coax feed line will not act as a radiator causing unnecessary RF interference (RFI). Rated for full 1500 watts PEP and 450 watts CW (ICAS). 1.8Mhz – 61 MHz.

CB-6-1-1500EB is housed in a 4” x 4” x 2” waterproof housing with SO-239 input and stainless steel eye bolts on the side for ease of connection to your wire antenna. Top eye bolt acts as an antenna hoist. Also available with top studs for post or wall mounting (Model # CB-6-1-1500TS). CB-6-5000EB or TS is housed in a 6" x 6" x 4" water proof enclosure.

Balun is often used for OCF antennas installed at higher distances over ground


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Christmas lights or yard lights with switching DC power supplies are often the RFI source and a clamp on ferrite bead on the AC AND the DC side feeding the lights is needed to help suppress the switching power supply RFI noise.  Suitable snap on beads are FSB31-1/2 for the 1-250 MHz range.

We have also had reported wireless HDTV boxes, and FOSCAM and AMCREST security camera systems causing RFI to garage door remote openers. Use our Garage Door Opener RFI kit to suppress the interference to the opener (VICTIM) – you need one kit for each opener.  Maximize the distance from the camera to the openers may also help.  Additionally shield cable to the garage door sensors may be needed depending on severity of the camera RFI.

Obvious Tech Note: make sure your remote batteries have enough energy to activate the GDO or the signal they transmit may not be large enough to over ride the RFI signal, but a fresh battery may be able to overcome the weak RFI source and allow the GDO to operate correctly.