DB6000 Bridge/AP D212 1.802.11a/g/b, long range wireless bridge/ap 2.2.4GHz/5.8GHz,400/200mw 3. ... 4.108Mbps DB6000 Bridge/AP D2121.802.11a/g/b, long range wireless bridge/ap2.2.4GHz/5.8GHz,400/200mw3.dual modules ... rod diameter ψ30~ψ55mm/ HoistingSpecial designWind, rain, sun, dust, shock and thermal proof design DB6000 Bridge/AP D212: dual-module long range outdoor wireless bridge