Product Name: Combination GPS GSM Antenna Top-GSM/GPS03 Model NO.: TOP-GSM/GPS03 Sturcture Form: Surface Antenna Nature of Operation: Communication Antenna base Antenna: Directional Antenna VSWR: 2 Directionality: Combination Antenna Material: Al Operating Wavelength: Medium Wave Usage Occasion: base Antenna Usage: Communication Antenna Trademark: TOP Transport Package: 1PCS/Bag Specification: CE, ROHS Origin: China HS Code: 8517707090 Product Description SPECIFICATIONSize: D80*14MMDieletric AntennaCenter Frequency 1575.42 MHz± 3 MHzV. S. W. R 1.5: 1Band Width ± 5 MHzImpendence 50 ohmPolarization Type RHCPLNA / FilterLNA Gain(Without cable) 30 dB TypicalNoise Figure 1.5 dBDC Voltage 2.2~5 VDC Current 5~15 mAGSM PartFrequency 824~894MHz/1710~1990MHz880~960MHz/1710~1990MHzV. S. W. R 2.0: 1Impendence 50 ohmTypical Gain 2dBiCable RG174 3m/5m or othersConnector SMA/SMB/MCX or othersWorking Temp -4° C~+8° CHumidity 55%~75%RHWaterproof IP67Screw mountingDrawing Our Antenna :---Powerful R&D team---Wonderful design solution---Perfect after-sales service---Strict quality testing---Rich cooperation experiences with Communication product manufactures---Competitive priceFAQ1. What's the Warranty of the Products?Answer: In general, all goods with 12 month-warranty after the shipments .2. How about the defective rate ?Answer: Less than 1%. 3. Where can customers get the Product Specification and other datasheets?Answer: we will send them via email once get the request from the customers.Our high quality products , competitive price and professional service, be sure to meet your need for all kinds of components. ^_^