{"product_id":"433mhz-lora-rf-antenna-sma-male-omnidirectional","title":"433MHz LoRa \u0026 RF Antenna (SMA Male, Omnidirectional)","description":"\u003cp data-path-to-node=\"5\" id=\"p-rc_5d1e6cf2ac57a5a7-222\"\u003eA high-performance radio transceiver is only as good as the antenna connected to it. \u003cspan class=\"citation-246\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"89\"\u003e\u003cspan class=\"citation-246\"\u003e433MHz LoRa RF Antenna\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-246 citation-end-246\"\u003e is a precision-tuned, omnidirectional aerial designed specifically for devices operating in the 433MHz Industrial, Scientific, and Medical (ISM) radio band.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Whether you are using a standard RF transmitter or an advanced LoRa module (like the SX1278), attaching a properly matched antenna is the single most critical step in preventing signal degradation and maximizing your communication distance. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eDesigned as a flexible \"rubber duck\" style aerial, this antenna features an articulated joint that allows it to bend from 0 to 90 degrees, making it easy to orient vertically regardless of how your device enclosure is mounted. It terminates in a standard SMA Male connector, providing a secure, screw-on connection that minimizes RF power loss and resists disconnection in high-vibration environments.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003ePrecision 433MHz Tuning:\u003c\/b\u003e Unlike generic, wide-band antennas, this aerial is factory-tuned specifically for the 433MHz center frequency, ensuring optimal voltage standing wave ratio (VSWR) and maximum power transmission.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eBroad Omnidirectional Pattern:\u003c\/b\u003e Radiates a consistent 360-degree signal envelope, eliminating the need to carefully aim the antenna at the receiver. This is critical for mobile nodes or sensors deployed in unpredictable orientations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eArticulated Hinge Design:\u003c\/b\u003e Features a built-in 90-degree elbow joint. This allows the antenna to be pointed straight up—the required orientation for optimal vertical polarization—even if your device is mounted horizontally on a wall or chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eRugged Polyurethane Housing:\u003c\/b\u003e The internal copper elements are protected by a flexible, impact-resistant TPE\/ABS casing, making it durable enough for both indoor prototyping and sheltered outdoor deployments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003ePerfect For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eLoRa Sensor Networks:\u003c\/b\u003e The ideal companion for SX1278 and Ra-02 modules, providing the necessary signal radiation to achieve multi-kilometer range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eSmart Home \u0026amp; Security Systems:\u003c\/b\u003e Boost the reception of 433MHz door\/window sensors, wireless driveway alarms, and automated gate controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eWeather Stations \u0026amp; Telemetry:\u003c\/b\u003e Ensure reliable data packet delivery from remote temperature, wind, and rain sensors back to your central base station.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eRemote Control (RC) Transmitters:\u003c\/b\u003e Upgrade standard hobbyist remote controls and receivers operating on the 433MHz band for extended line-of-sight control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eCenter Frequency:\u003c\/b\u003e 433 MHz (Optimized for the 433MHz ISM band)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eAntenna Gain:\u003c\/b\u003e Typically 2.5dBi to 3dBi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eRadiation Pattern:\u003c\/b\u003e Omnidirectional\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003ePolarization:\u003c\/b\u003e Linear Vertical (For best results, both transmitting and receiving antennas should be oriented straight up)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,4,0\"\u003e\u003cb data-path-to-node=\"12,4,0\" data-index-in-node=\"0\"\u003eVoltage Standing Wave Ratio (VSWR):\u003c\/b\u003e ≤ 1.5 (High efficiency power transfer)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,5,0\"\u003e\u003cb data-path-to-node=\"12,5,0\" data-index-in-node=\"0\"\u003eImpedance:\u003c\/b\u003e 50 Ohms (Standard match for almost all RF modules)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,6,0\" id=\"p-rc_5d1e6cf2ac57a5a7-223\"\u003e\u003cb data-path-to-node=\"12,6,0\" data-index-in-node=\"0\"\u003eConnector Interface:\u003c\/b\u003e\u003cspan class=\"citation-245 citation-end-245\"\u003e SMA Male (Features inner threads with a center pin)\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,7,0\"\u003e\u003cb data-path-to-node=\"12,7,0\" data-index-in-node=\"0\"\u003eMaximum Power Handling:\u003c\/b\u003e 50W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42853619990599,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/433mhz-antenna-500x294.webp?v=1780773682","url":"https:\/\/www.ktechnics.com\/products\/433mhz-lora-rf-antenna-sma-male-omnidirectional","provider":"K-TECHNICS","version":"1.0","type":"link"}