The Ferrite Ring Combo Pack is a convenient solution for troubleshooting RFI/EMI from unknown frequencies or multiple frequencies that require multiple suppression mixes. Included in this combo pack are ten 2.4″ OD/1.4″ ID ring toroids as follows:
Mix 75 effective from .15-10 MHz including AM Broadcast band – quantity: 3
Mix 31 effective from 1-300 MHz for general purpose – quantity: 4
Mix 61 effective from 200-2000 MHz for cell phone, WIFI, HDTV, Cable TV interference – quantity: 3
New Products
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 1500/3000 Watts, End Fed Long Wire Antenna
HF Wire Antennas - End Feds, Off Center Fed, Loop, T2FD/BBTD, Dipoles and Zepps,160-6 Meters,Wire, Hardware and Instructions for you.
Ferrite Products - Rings, Snap On, Slip On, useful from 150KHz - 2 GHZ, Mixs 31, 43, 52, 61, 75
RFI Solutions - Consumer Electronics, Computer, Audio/Home Theater, Wall Warts, Solar and more!
Baluns/Ununs/Chokes (1:1-81:1 ratios) for RX, 100/500/1500/5000 Watts including Hybrids (with choke) and Multi-Ratio
Radio Transceiver/Linear Amplifier RFI Kits - All Brands, VLF, HF to UHF
Noise Filters - Coax, AC and DC power 100 KHz - 150 MHz, up to -48 dB noise suppression - hear DX again!
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Palomar Engineers® products are over engineered to outperform the competition without being over priced!Buy DIRECT, on eBay or at Ham Radio Outlet stores nationwide, HRO Product List HERE QUICK and EASY RFI Solutions for Consumer Electronics - FREE RFI Tip Sheet |
Featured Products
NEW
1:1 MINI-BALUN/Line Isolator, 50 Ohm input, 50 ohm Balanced Output 500 Watts PEP, 1-61 MHz, Ladder Line Interface to coax, Flagpole Antenna, G5RV/ZS6BKW
1:1 MINI-BALUN/Line Isolator, 50 Ohm input, 50 ohm Balanced Output 500 Watts PEP, 1-61 MHz, Ladder Line Interface to coax, Flagpole Antenna, G5RV/ZS6BKW
Remote Tuner to Ladder Line Interface
SKU MB-1-500-50
$69.95
Bullet End Fed Antenna System with 9:1 matching Unit, Antenna Wire, + Feedline Choke - 500/1500 Watt, 41' (40-6M), 71' (80-6M)/155'(160-6M)/173'(AM, 160-6M) Options - FREE USA Shipping
Bullet End Fed Antenna System with 9:1 matching Unit, Antenna Wire, + Feedline Choke - 500/1500 Watt, 41' (40-6M), 71' (80-6M)/155'(160-6M)/173'(AM, 160-6M) Options - FREE USA Shipping
SKU BAS-71-500
$134.99
On Sale
Coax Common Mode Noise Filter - 500 Watts PEP, 1-60 MHz, -38dB Common Mode Noise Suppression!
Coax Common Mode Noise Filter - 500 Watts PEP, 1-60 MHz, -38dB Common Mode Noise Suppression!
SKU CMNF-500-50
List price
$79.95
Save 13%
$69.95
On Sale
Ferrite Mini Snap On Combo Pack, Mix 31, RFI Range 1-300 MHz - 10 filters (3/8, 1/2, 3/4)
Ferrite Mini Snap On Combo Pack, Mix 31, RFI Range 1-300 MHz - 10 filters (3/8, 1/2, 3/4)
SKU FMSCP-31-10
List price
$55.95
Save 11%
$49.95
On Sale
Ferrite Ring and Snap On Combo Pack - 10 Rings (1.4" ID) + 10 Snap On Beads (1/2" ID) - Mix 31 (RFI Range 1-300 MHz) FREE USA SHIPPING
Ferrite Ring and Snap On Combo Pack - 10 Rings (1.4" ID) + 10 Snap On Beads (1/2" ID) - Mix 31 (RFI Range 1-300 MHz) FREE USA SHIPPING
SKU FRSCP-31-20
List price
$155.00
Save 10%
$139.95
On Sale
Ferrite Snap On Combo Pack, Mix 31, RFI Range 1-300 MHz - 1/4, 3/8, 1/2, 3/4 - 22 filters
Ferrite Snap On Combo Pack, Mix 31, RFI Range 1-300 MHz - 1/4, 3/8, 1/2, 3/4 - 22 filters
SKU FSCP-31-22
List price
$108.00
Save 12%
$95.00
On Sale
Flex Radio 6400/6600 Transceiver RFI and Noise Reduction Kit - 13 Filters with coax noise filter option
Flex Radio 6400/6600 Transceiver RFI and Noise Reduction Kit - 13 Filters with coax noise filter option
SKU RFI-FLEX-6400/6600
List price
$129.95
Save 31%
$89.95
On Sale
FSB31-1/2, ID=1/2", RFI Range 1-300 MHz - Bulk 10 Pack
FSB31-1/2, ID=1/2", RFI Range 1-300 MHz - Bulk 10 Pack
SKU FSB31-1/2-10
List price
$55.00
Save 9%
$49.95
On Sale
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Bulk Pack of 10
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Bulk Pack of 10
SKU F240-31-10
List price
$100.00
Save 10%
$89.95
On Sale
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Mini Pack of 3
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Mini Pack of 3
SKU F240-31-3
List price
$34.95
Save 14%
$29.95
On Sale
Garage Door Opener RFI Kit
Garage Door Opener RFI Kit
SKU RFI-GDO
List price
$49.95
Save 20%
$39.95
On Sale
Multi-Ring/Multi-Snap On Combo Pack, Mix 31, RFI Range 1-300 MHz - 17 filters
Multi-Ring/Multi-Snap On Combo Pack, Mix 31, RFI Range 1-300 MHz - 17 filters
SKU MRSCP-31-17
List price
$112.00
Save 15%
$95.00
On Sale
Off Center Fed Dipole Antenna, 40-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
Off Center Fed Dipole Antenna, 40-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-OCF4010-500
List price
$279.95
Save 46%
$149.95
On Sale
Off Center Fed Dipole Antenna, 80-6 Meters (8 bands), 500/1.5KW/5KW PEP rated - FREE shipping in USA
Off Center Fed Dipole Antenna, 80-6 Meters (8 bands), 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-OCF8010
List price
$359.95
Save 53%
$169.95
On Sale
SMART TV RFI/Noise Reduction Kit - AC Power + 4 I/O (HDMI, Audio) cables
SMART TV RFI/Noise Reduction Kit - AC Power + 4 I/O (HDMI, Audio) cables
SKU RFI-HDTV
List price
$89.95
Save 67%
$29.95
On Sale
Snap On RF Choke/Isolator - 1/2"/12.7mm cable -5/10/15 Bead Option, 3-300 MHz
Snap On RF Choke/Isolator - 1/2"/12.7mm cable -5/10/15 Bead Option, 3-300 MHz
SKU SNO31-1/2-5
List price
$29.95
Save 13%
$25.95
On Sale
ZS6BKW Center Fed Antenna, 80-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
ZS6BKW Center Fed Antenna, 80-6 Meters, 500/1.5KW/5KW PEP rated - FREE shipping in USA
SKU PAL-ZS68006-NNN
List price
$159.95
Save 25%
$119.95
The ring toroids are useful for AC/DC common mode choking with multiple turns as shown below
 AC Cable on F-240 Toroid – 7 turns |
 DC Cable on F240 – 4 turns |
The ring toroids can also be used on coax or signal lines as shown below:
 RG58 12 turns on FT240 |
 Ethernet Cable on F-240 Toroid – 7 turns |
For RFI/EMI wrap as many turns as possible for higher choking (under 30 mHz).