{"product_id":"gsm-gprs-magnetic-base-antenna-sma-male-7dbi-3m-cable","title":"GSM\/GPRS Magnetic Base Antenna – SMA Male, 7dBi, 3m Cable","description":"\u003ch3\u003e\u003cspan\u003eGSM\/GPRS Magnetic Base Antenna – SMA Male, 7dBi, 3m Cable\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGSM\/GPRS Magnetic Base Antenna\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an external omnidirectional antenna designed to improve wireless signal reception and transmission for compatible GSM, GPRS, and cellular communication modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSMA male connector\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-meter RG174 coaxial cable\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and a magnetic mounting base, this antenna provides a convenient solution for positioning an antenna away from electronic enclosures to improve signal reception.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is suitable for GSM communication modules such as the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSIM900A and SIM908\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as well as other compatible cellular devices operating within the antenna's supported frequency bands.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMulti-Band Cellular Antenna:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for operation across several GSM and cellular frequency bands.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e7dBi Advertised Gain:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Intended to improve wireless signal performance when correctly positioned.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMagnetic Mounting Base:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Convenient installation on suitable metal surfaces.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3-Meter Cable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows flexible antenna positioning.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSMA Male Connector:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compatible with devices equipped with a matching SMA female antenna connector.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOmnidirectional Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed to receive and transmit signals from multiple horizontal directions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRG174 Coaxial Cable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Flexible cable suitable for compact communication installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eExternal Antenna Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Useful for IoT, telemetry, and cellular communication applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExternal GSM\/GPRS Antenna\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAntenna Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOmnidirectional\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSupported Frequency Bands (Advertised)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e800, 900, 1200, 1500, 1800–1900MHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAntenna Gain\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7dBi (advertised)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eImpedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStanding Wave Ratio (VSWR)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤1.5 (advertised)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnector Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSMA Male\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnector Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMale center pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCable Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRG174 Coaxial Cable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCable Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAntenna Height\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e270mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMagnetic Base\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAdvertised Power Handling\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eColor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for communication modules and devices equipped with a compatible external antenna connector, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSIM900A GSM\/GPRS Modules\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSIM908 GSM\/GPRS\/GPS Modules (cellular antenna port)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible GSM Communication Modules\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCellular Telemetry Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial Communication Devices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIoT and Remote Monitoring Equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm that the device supports the antenna's frequency bands and uses a standard SMA female connector. Some modules use U.FL\/IPEX connectors and require a suitable adapter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConnection Example – GSM Module\u003c\/span\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003eIdentify the GSM antenna connector on the communication module.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnect the antenna's SMA male connector to the matching SMA female connector.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePosition the antenna vertically for typical omnidirectional operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlace the magnetic base on a suitable metal surface.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKeep the antenna away from large sources of electrical interference.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCheck the GSM module's network signal strength after installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGSM\/GPRS Communication Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSIM900A and SIM908 Projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eArduino GSM Projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eESP32 Cellular Communication Projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIoT Monitoring Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote Data Transmission\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial Telemetry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWireless Alarm Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCellular Tracking Devices\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote Control and Automation Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThis is a passive antenna and does not generate or amplify signals electronically.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eActual antenna performance depends on frequency, installation position, cable losses, and surrounding conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe advertised 7dBi gain and VSWR values have not been independently verified.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSIM900A modules typically use 900\/1800MHz GSM networks; check local network availability before use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe antenna does not automatically provide 3G, 4G, or 5G compatibility.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFor SIM908 modules, connect to the cellular antenna port rather than the GPS antenna port.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvoid sharp bends or damage to the coaxial cable.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVerify connector compatibility before installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × GSM\/GPRS Magnetic Base Antenna with SMA Male Connector and 3m Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41491132874885,"sku":"CM-000163-DVR","price":3.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/aiease_1768323042235.jpg?v=1768323080","url":"https:\/\/robotpishop.com\/products\/gsm-gprs-magnetic-base-antenna-sma-male-7dbi-3m-cable","provider":"Robot Pi Shop","version":"1.0","type":"link"}