{"product_id":"tx2400-pcb-4811-2-4ghz-pcb-antenna-3-0dbi-ipex-1","title":"10PCS Cdsenet TX2400-PCB-4811 2.4GHz PCB Antenna 3.0dBi IPEX for Wireless IOT Device Compact Size","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX2400-PCB-4811\u003c\/strong\u003e is a professional-grade 2.4 GHz omnidirectional PCB built-in antenna with a distinctive \u003cstrong\u003e\"7\" shape\u003c\/strong\u003e layout measuring \u003cstrong\u003e48 × 11 mm\u003c\/strong\u003e. It delivers a \u003cstrong\u003e3.0 dBi peak gain\u003c\/strong\u003e and a measured VSWR of \u003cstrong\u003e1.1268 @ 2.45 GHz\u003c\/strong\u003e (verified with Agilent E5071C), making it one of the more efficient compact PCB antennas in the 2.4 GHz ISM band. The IPEX (U.FL) connector with 150 mm feeder cable provides broad compatibility with WiFi, Bluetooth, ZigBee, and 2.4 GHz proprietary wireless modules. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"TX2400-PCB-4811 2.4GHz PCB built-in omnidirectional antenna, 48x11mm 7-shape design, IPEX connector, 3.0dBi gain\" cke-id=\"img32\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-PCB-4811.png?v=1774954358\" style=\"max-width:100%; border-radius:6px; margin-bottom:10px;\"\u003e\u003c\/div\u003e\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\t\u003cthead\u003e\n\t\t\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\t\t\t\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\t\t\t\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/thead\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e2400 – 2500 MHz (2.4 GHz ISM Band)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e3.0 dBi\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR (S.W.R.)\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: bold; color: #27ae60;\"\u003e≤ 1.5 (Typ. 1.1268 @ 2.45 GHz)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eIPEX \/ IPX (U.FL Compatible)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Length\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e150 mm\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Dimensions\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e48 × 11 mm (\"7\" Shape PCB)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Material\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003ePCB (Flexible Internal)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eRadiation Pattern\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eOmnidirectional\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eRoHS Compliant\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eUpdated\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003e\"7\" Shape 48 × 11 mm PCB Layout for Space-Constrained Designs\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe unique \"7\" shape PCB geometry maximizes radiating element length within a 48 × 11 mm footprint, achieving 3.0 dBi gain — 0.5 dBi higher than the standard TX2400-PCB-4707 — without increasing overall device volume. This makes it well-suited for compact IoT enclosures where antenna real estate is limited but signal performance cannot be compromised.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"TX2400-PCB-4811 7-shape PCB antenna layout showing 48x11mm compact radiator design for IoT device integration\" cke-id=\"img33\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-PCB-4811-1.png?v=1774954359\" style=\"max-width:100%; border-radius:6px;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eIPEX (U.FL) Connector with 150 mm Feeder Cable\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe standard IPEX\/IPX connector is directly compatible with U.FL sockets on ESP32, nRF52, CC2652, MT7628, and similar 2.4 GHz SoCs. The 150 mm cable — 40 mm longer than the TX2400-PCB-4707 — provides additional routing flexibility for larger enclosures or designs where the antenna must be positioned away from RF-noisy components such as switching regulators or USB controllers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center; margin-bottom: 16px;\"\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eVerified with \u003cstrong\u003eAgilent E5071C\u003c\/strong\u003e vector network analyzer: VSWR measured at \u003cstrong\u003e1.1268 @ 2.45 GHz\u003c\/strong\u003e, well within the ≤ 1.5 specification. All units are tested prior to shipment.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"TX2400-PCB-4811 VSWR test report showing 1.1268 at 2.45GHz measured with Agilent E5071C vector network analyzer\" cke-id=\"img34\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-PCB-4811-2.png?v=1774954359\" style=\"max-width:100%; border-radius:6px;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\u003cdiv\u003e\u003cimg alt=\"TX2400-PCB-4811 antenna return loss S11 and radiation pattern measurement chart at 2.4GHz ISM band\" cke-id=\"img35\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-PCB-4811-3.png?v=1774954360\" style=\"max-width:100%; border-radius:6px;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cstyle type=\"text\/css\"\u003e@media (max-width: 600px) {\n  .apps-grid-item { flex: 1 1 100% !important; max-width: 100% !important; }\n}\n\u003c\/style\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px;\"\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eWiFi \u0026amp; Bluetooth\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eSmart home gateways, BLE beacons, wireless smart locks, and consumer IoT devices requiring compact high-gain internal antennas.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIndustrial IoT\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eZigBee sensor nodes, handheld data terminals, industrial wireless controllers, and factory automation endpoints.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAutomotive \u0026amp; Fleet\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eIn-vehicle 2.4 GHz telemetry modules, fleet tracking OBD dongles, and wireless diagnostics equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgriculture \u0026amp; Environment\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eWireless soil sensors, greenhouse climate monitors, and agricultural IoT nodes on 2.4 GHz mesh networks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003ca href=\"http:\/\/www.cdebyte.com\/pdf-down.aspx?id=1268\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\" target=\"_blank\"\u003e📄 Download Datasheet (PDF)\u003c\/a\u003e\u003c\/section\u003e\n\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Is the TX2400-PCB-4811 compatible with ESP32, nRF52, and other 2.4 GHz modules?\u003c\/p\u003e\n\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX2400-PCB-4811 uses a standard IPEX\/IPX (U.FL) connector with 50 Ω impedance, directly compatible with the antenna ports on ESP32, ESP8266, nRF52840, CC2652, MT7628, and most other 2.4 GHz SoCs. No external matching network is required. Confirm your module's RF port supports the 2400–2500 MHz band before connecting.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Can this antenna be installed inside a metal enclosure?\u003c\/p\u003e\n\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: No. Metal enclosures significantly attenuate 2.4 GHz signals and will degrade the antenna's 3.0 dBi gain and VSWR performance. Mount the TX2400-PCB-4811 inside a plastic (ABS, PC, or similar non-metallic) enclosure. Maintain at least 5 mm clearance between the PCB radiator and any metallic components or ground planes to preserve specified performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: What is the operating temperature range and environmental durability?\u003c\/p\u003e\n\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The TX2400-PCB-4811 PCB substrate supports an operating temperature range of −40 °C to +85 °C, suitable for both indoor consumer electronics and outdoor industrial enclosures. The antenna itself is not independently IP-rated; environmental sealing must be provided by the host device enclosure. For harsh outdoor deployments, ensure the enclosure meets at least IP54 or higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: How does the TX2400-PCB-4811 (3.0 dBi) compare to the TX2400-PCB-4707 (2.5 dBi)?\u003c\/p\u003e\n\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The TX2400-PCB-4811 provides 0.5 dBi higher gain, achieved through its \"7\" shape radiator geometry which extends the effective electrical length within a slightly larger 48 × 11 mm footprint (vs. 47 × 7 mm). It also achieves a lower typical VSWR of 1.1268 vs. 1.2758, indicating better impedance matching at 2.45 GHz. Choose the 4811 when gain and matching performance are the priority; the 4707 when board space is the primary constraint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45301876097126,"sku":"10*TX2400-PCB-4811","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-PCB-4811-_1_800x800_v2.jpg?v=1773985990","url":"https:\/\/cdsenet.store\/products\/tx2400-pcb-4811-2-4ghz-pcb-antenna-3-0dbi-ipex-1","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}