Computer RFI Kits

EFLW Antenna Parts

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2678488938 - Computer RFI Kits
1-3/4" Nylon Pulley and 1/4" Spring Hook Set for Wire Antenna & Paracord Installation
1-3/4" Nylon Pulley and 1/4" Spring Hook Set for Wire Antenna & Paracord Installation
SKU Pulley-1.75-1
$4.95
1072922502 - Computer RFI Kits
50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antenna
50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antenna
SKU BA-9-1000
$29.95
581480949 - Computer RFI Kits
50:450 ohm (9:1) Balun or Unun Core Kit, 1.8-30 MHz, 250 watts PEP, end fed, T2FD antenna
50:450 ohm (9:1) Balun or Unun Core Kit, 1.8-30 MHz, 250 watts PEP, end fed, T2FD antenna
SKU BA-9-250
$21.95
2908446668 - Computer RFI Kits
50:450 ohm (9:1) CUBE™ Unun, 1.8-31 MHz, 5 KW PEP, End Fed Antenna
50:450 ohm (9:1) CUBE™ Unun, 1.8-31 MHz, 5 KW PEP, End Fed Antenna
SKU CU-9-5000
$149.95
On Sale
1864891769 - Computer RFI Kits
50:450 ohm (9:1) CUBE™ Unun, 1.8-61 MHz, 1.5 KW, End Fed Long Wire
50:450 ohm (9:1) CUBE™ Unun, 1.8-61 MHz, 1.5 KW, End Fed Long Wire
SKU CU-9-1500
List price $129.95
Save 15%
$109.95
3938117916 - Computer RFI Kits
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 100 Watts, End Fed Long Wire Antennas
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 100 Watts, End Fed Long Wire Antennas
SKU Bullet-9U-100
$59.95
4662945577 - Computer RFI Kits
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 500/1500 Watts, End Fed Long Wire Antennas
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 500/1500 Watts, End Fed Long Wire Antennas
SKU Bullet-9U-500
$79.95
4599243894 - Computer RFI Kits
Bullet 50:450 (9:1) HF Unun, 200 KHz-30 MHz, 500 Watts, End Fed Antennas, , VLF, SWL
Bullet 50:450 (9:1) HF Unun, 200 KHz-30 MHz, 500 Watts, End Fed Antennas, , VLF, SWL
SKU Bullet-9LFU-500
$79.95
3301442821 - Computer RFI Kits
Bullet Antenna End Fed Antenna Counterpoise Kit (41/71/92/111/155 Ft. Antenna Lengths)
Bullet Antenna End Fed Antenna Counterpoise Kit (41/71/92/111/155 Ft. Antenna Lengths)
SKU BULLET-CPK-41-20
$14.95
3465681198 - Computer RFI Kits
End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas
End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas
SKU EFFLC-240
$10.00
4029797252 - Computer RFI Kits
MAXI-CHOKER Coax Line Isolator/Choke, 1-61 MHz, 1.5/3KW/5KW, up to -60 Db Common Mode Rejection, Static Bleeder Option
MAXI-CHOKER Coax Line Isolator/Choke, 1-61 MHz, 1.5/3KW/5KW, up to -60 Db Common Mode Rejection, Static Bleeder Option
SKU MC-1-1500
$89.95
4222605655 - Computer RFI Kits
MINI-BALUN 1:1 Coax Interface to Ladder Line, Dipole elements, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, Flagpole, Dipole, Beam and G5RV/ZS6BKW Antennas
MINI-BALUN 1:1 Coax Interface to Ladder Line, Dipole elements, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, Flagpole, Dipole, Beam and G5RV/ZS6BKW Antennas
SKU MB-1-500SS
$69.95
1112255372 - Computer RFI Kits
MINI-CHOKER Coax Line Isolator, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, 1:1 Unun
MINI-CHOKER Coax Line Isolator, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, 1:1 Unun
SKU MC-1-500-50
$69.95
On Sale
3882535253 - Computer RFI Kits
Multi Ratio 50:200 (4:1) & 50:450 (9:1) CUBE™ Unun, 1.8-60 MHz, 1500W PEP, End Fed Antennas
Multi Ratio 50:200 (4:1) & 50:450 (9:1) CUBE™ Unun, 1.8-60 MHz, 1500W PEP, End Fed Antennas
SKU CU-4-9-1500
List price $169.95
Save 24%
$129.95
3193439255 - Computer RFI Kits
Snap On End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas, RG8X, RG8, up to 38 dB common mode suppression
Snap On End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas, RG8X, RG8, up to 38 dB common mode suppression
SKU SOFLC
$19.50
Display prices in:USD
These RFI kits are specifically selected to cure most household computer device RFI problems. It contains ferrite toroids for AC or DC power supply protection and Snap On ferrite spli beads selected to eliminate RFI from 1 to 1000 Mhz. The beads are easy to use, don’t require modification of the protected equipment and work in almost all cases, even when plug-in filters fail. 

 

 

Typical Installations

 

20131210 115137 150x150 - Computer RFI Kits

Ethernet Cable on F-240 Toroid – 7 turns

20131210 114800 150x150 - Computer RFI Kits

Ethernet Cable on FSB-1/2 – 3 turns for 9X Impedance

20131210 1148191 150x150 - Computer RFI Kits

Ethernet Cable on FSB-1/4

20131210 114716 150x150 - Computer RFI Kits

AC Cable on F-240 Toroid – 6 turns

20131210 114844 150x150 - Computer RFI Kits

DSL Modem DC Power Supply on F114-43 Toroid – 5 Turns