1,radio antenna types 2,plating: gold/nickel/tin 3,inside contact ... and gold pate 4,best quality and competitive price Specification: radio antenna types Sector signal coverageBase station &Repeater station systemWireless ... ground plane.Gain range: >- 4dbic at -90 °<+90° (over 75% volume).2) LNA/Filter LNA Gain(w/o cable):28 ... payment: T/T ;paypal;WU;L/C GPS/GSM radio antenna with a flexible rod