High quality fiberglass antenna; strong sealing and no cracking; high strength anti-corrosion; waterproof; suitable for harsh outdoor environment Fiber glass base station antenna supports UHF and VHF bands(136-174 / 400-480MHZ);communicate freely on wide range; SL16 connector Omnidirectional base station antenna with 5.5/8.5dbi gain; wide coverage; more suitable for outdoor long-range communication 220cm antenna; strong wind resistance characteristics; a kind of ideal communication antenna Alloy Copper Interface; smooth and flat screw thread easy to connect; high hardness alloy copper material The VSWR less than 1.5;make the received information clearer and reduce the damage to the antenna and prolong the service life of the antenna Three section detachable high gain glass steel antenna; easy to disassemble and assemble; bring you a more stable signal