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The frequency is 800-2500MHz,For most mobile system; isolation：High; Low insertion loss; Low VSWR; Used in the Indoor Covering System for most wireless telecommunication system; Such as GSM900,CDMA800,GSM1800,CDMA1900, CDMA2000, PHS, WLAN2400, 3Gand so on. Our products have: splitter,coupler,3db hybrid,indoor antenna,outdoor antenna,filter,diplexer,combiner[...]

We have our own factory ,we also provide OEM service . *Dimensions: 2.8 x 2.0 inches. Light small remote speaker microphone with 4.2mm coil cable. *High quality microphone elements guarantee clear voice . *For additional privacy and security, there is a build-in jack, allowing operation of a remote earphone with standard 3.5mm plug. *With high-quality stainless steel rear clip can rotate 360 degrees. *Good feel for the key-press and pretty good-looking appearance . *Many connector types[...]