Nagoya NL 310 Çift Bant 144/430 MHz 2.15/3.0dBi 100 Watt Mobil Anten 5 metre RG 58/ U Koaksiyel Kablo ve Manyetik Dağı|mobile antenna|antenna mobilenagoya dual band - AliExpress
How to read logarithmic measures ( dB, dBi, dBm, dB) : Venn Telecom
3M™ DBI-SALA® Shoulder and back pad w/ velcro attachment to harness and built-in lanyard keepers