
Sirio SY 27-4 4 elements 26.5 to 30 MHz CB/10M Yagi Beam Antenna w/ 100Ft Coax
Key item features
- Sirio SY 27-4 4 elements 26.5 to 30 MHz CB/10M Yagi Beam Antenna w/ 100Ft Coax
- 26.5-30 Mhz Tunable Yagi Antenna with 100 ft RG8X coax coaxial UHF PL259 connectors for amateur CB radio antenna cable
Specs
- Frequency band typeUHF
- Freq range26.5 MHz - 30
- Vehicle typeCar, Truck
- CompatibilityAmateur
- FeaturesWeather Resistant
- BrandSirio Antenna
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About this item
Product details
- Sirio SY 27-4 4 elements 26.5 to 30 MHz CB/10M Yagi Beam Antenna w/ 100Ft Coax
- 26.5-30 Mhz Tunable Yagi Antenna with 100 ft RG8X coax coaxial UHF PL259 connectors for amateur CB radio antenna cable
Specifications
Frequency band type
Freq range
Vehicle type
Compatibility
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Warranty information
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Customer ratings & reviews
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Verified Purchase
Ham Op. or CB Op. - you can't go wrong with this!!
A nice, well made lightweight 4 element Yagi beam that works well and has very good signal gain for transmit and receive. In the two weeks I've had it in use I have easily worked contacts in all of Europe, Africa/South Africa, UK, South America, Pacific Islands, Australia/New Zealand/Tasmania, Japan and elsewhere, using anywhere from 5watt QRP to 100 watts (I use higher power on HAM 10 meter band, and the antenna can easily handle high wattage). Sirio makes a very affordable and easily tuned series of Yagi and Dipole antennas, this is my second (I also have the Sirio SD27 Dipole, another excellent product for the money). And imagine my surprise to find the Yagi I was going to buy at Walmart!!!!! Very nice 4 element Yagi, easy to assemble, easy to modify for particular band application, no cutting required, since all the elements slide in and out you can easily reconfigure the antenna for wide or narrow bandwidth via measurement of elements and/or use of antenna analizers or VectorVNA network analizers (I use MFJ-249 and VectorVNA) and then use stainless screws and electrical tape/sealant to lock in specifics element lengths. I've seen folks complain about SWR issues with Sirio - hogwash - I WAS ABLE TO ACHIEVE 1.065 SWR @ 27.500, and SWR below 1.5 from 26.750MHZ all the way to 28.500MHZ- Validated by both the MFJ and VectorVNA analizers, and onboard SWR measurement capability of the radios, antenna lobe patterns looked very good on the VectorVNA display. Tuning the antenna for any specific range is very easy to accomplish, I found I could get very low SWR across wide usable ranges anywhere from 26MHZ to 30MHZ with simple element length adjustments and fine tuning via the Gamma Match tunning system. Nota: I have decades of experience as a HAM and CB op and have been building and modifying antennas for several decades, but even for the inexperienced, if you take your time, use proper equipment, measure and tune, you should achieve excellent results, very easy antenna to assemble and tune. Weather sealing is very important and is easy to accomplish as well. Since I live in Florida, Hurricane force winds are an issue...the antenna is lite enough (weighs less than 15 lbs. with hardware/choke/mount attached), and I have mine on a 3 section pole mounted to two 4"x4" 10' posts, I crank it up and down for storm mitigation and/or repair work with a small boat trailer winch, easy peasy, and the whole affair has cost me less than $300 USD. For those who want to mount on a tower, even better for DX operation, but I would consider storm mitigation for winds above 80 mph, or consider much heavier built (and much more expensive) Yagi's from other manufacturers. Hat's off to Walmart vendor DNJ Radio for the nice low cost package, excellent price for the package that included 100' of RGX8 coax
