Homepage What's New? Specials Create an Account Log In Contact Us
Tell A Friend

Tell someone you know about this product.
Top » Catalog » MFJ PRODUCTS » Lightning Surge Protectors » MFJ-270 » MFJ 270 Lightning Surge Protection W/SO-239, 400 Watts

** Free Shipping. **

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-270 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 400 Watts PEP. Has SO-239 connectors and works with all types o f 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: 400 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.
Customers who bought this product also purchased
RW-240/75PL 75' LMR-240 Solid with PL-259
RW-240/75PL 75' LMR-240  Solid with PL-259
RW ANTENNA STORE ~ 716-434-9216 ~ 6150 Crosby Rd. ~ Lockport, N.Y. 14094 ~ Email: