Jetstream JTBM270 is a dual band beam for 2m and 70cm. Independent element type ensures good gain and performance in comparison with mono band beams.
Stainless steel boom, elements and brackets ensure superior durability and long life in all weather conditions. Lightweight, compact and easy to install.
Elements are color coded and install with wing nuts for easy assembly and re-assembly making it ideal for portable operations and emergency responders.
3 elements on 2m
5 elements on 70cm
Frequency Range: 144-148 mHz /440-450 mHz
Gain: 9.5 dbi on 2m / 11.15 dbi on 70cm
FB ratio more than 12db
Boom length: 44.5"
Longest element: 41.1"
Connector: N female (Included N to SO-239 Adapter)
Mast size 1.25" to 2"
Weight 2 lbs
Wind load less than 1 square ft
PROS: easy to assemble, all elements marked. NANO VNA was used to adjust gamma match no problem VSWR good. CONS: notice the mounting U bolt is in front of the VHF reflector which means if you mount vertical you need a non conductive mast.