The latest Ralink 3070 chipset High Power wireless network card with with 14dbi antenna long range Product Description:SR-520 wireless transmission speed can come up to 150Mbps, built in 14dBi directional antenna, added the signals receiving distance, it has waterproof design, can work under many complex circumstances, it can really get to outdoor wireless engineer equipment standard.SR-520adopts the high power design, making the receiving more strong. Outdoor transmission distance is high up to 3km.Its shell adopts ABS waterproof material, In all kinds of complex conditions,it can guarantee the waterproof, anti-shunshine and anti-wind.Features:•MIMOtechnologymakeswirelesstransmissionratesupto150Mbps.•AdoptCCA(ClearChannelAssessment) technology andGREENWLANtechnologytoenhancewirelessperformance,automaticallyregulatingpowersav-ingandenvironmentalprotection.