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Top » Catalog » MFJ PRODUCTS » Lightning Surge Protectors » MFJ-272 » MFJ 272 - Lightning Surge Protection w/ SO-239 , 1.5K

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This will safeguard your ham radio equipment from damaging static electricity and lightning induced surge arrest traveling on coax feed lines.

Countless hams have watched their precious radio equipment destroyed by lightning induced surges traveling on their 50 Ohm coax feed lines. Don't be next!

MFJs ultra-fast gas discharge tube safely shunts up to 5000 amps of peak impulse current harmlessly to an independent ground.

MFJ-272 presents a constant 50 Ohm impedance to your transmission line. It has an SWR less than 1.1:1 and an insertion loss of less than 0.1 dB. It can be used up to 1000 MHz.

The GuardianAngel handles up to 1500 Watts PEP. Has SO-239 connectors and works with all types of coax fed antennas. Is made of heavy duty steel with quality connectors and components, replaceable gas discharge tube.

Note: Will Not Protect against a Direct Lightning Hit.


- frequency range: DC-1000 MHz
- power handling: 1500 Watts PEP
- impedance: 50 Ohms
- insertion loss: <.1 dB
- internal VSWR: <1.1:1
- connectors: UHF Female
- dimensions: 1.9"H x 2.6"W x .8"D
- weight: 3 ounces

For more information, please visit this products webpage.
This product was added to our catalog on Wednesday 03 June, 2015.
RW ANTENNA STORE ~ 716-434-9216 ~ 6150 Crosby Rd. ~ Lockport, N.Y. 14094 ~ Email: