{"id":9480,"date":"2026-08-18T09:55:25","date_gmt":"2026-08-18T09:55:25","guid":{"rendered":"https:\/\/airmate.cc\/?post_type=product&p=9480"},"modified":"2026-08-18T10:01:28","modified_gmt":"2026-08-18T10:01:28","slug":"ag-49664167949","status":"publish","type":"product","link":"https:\/\/airmate.cc\/zh\/product\/ag-49664167949\/","title":{"rendered":"433MHz 3dBi SMA \u6298\u53e0\u5f0f\u9ad8\u589e\u76ca\u65e0\u7ebf\u5929\u7ebf"},"content":{"rendered":"
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\n

Product Details<\/h2>\n

High-Gain Wireless Antenna for Gas Detectors<\/p>\n

<\/p>\n

Product Features:<\/p>\n

– 433MHz wireless antenna for gas detector and alarm accessories<\/p>\n

– 3dBi gain, frequency range 423-443MHz<\/p>\n

– SMA connector design<\/p>\n

– Foldable structure for convenient installation<\/p>\n

– Suitable for fixed gas detector, gas alarm, control board and communication module applications<\/p>\n

<\/p>\n

Specifications:<\/p>\n

– Frequency: 433MHz<\/p>\n

– Gain: 3dBi<\/p>\n

– Frequency range: 423-443MHz<\/p>\n

– Connector: SMA<\/p>\n

– Antenna length: about 18.5cm<\/p>\n

– Total length: about 20cm<\/p>\n

<\/p>\n

Package Includes:<\/p>\n

– 1 x High-gain wireless antenna<\/p>\n

<\/p>\n

About Us:<\/p>\n

We are a source manufacturer focused on gas detection products, circuit board development and OEM customization. We provide gas detector main boards, gas sensor modules, alarm control boards, display boards and communication modules.<\/p>\n

<\/p>\n

Our team supports PCB design, firmware development, sensor matching, product debugging, OEM \/ ODM production and technical support. We can help customers develop customized gas detection products according to different applications, housings, display requirements and communication methods.<\/p>\n

<\/p>\n

We provide stable quality, fast response and one-to-one technical support. For bulk orders, customized projects or gas detector solutions, please contact us for details.<\/p>\n<\/section>\n

\n

Available Models & Reference Prices<\/h2>\n
\n\n\n\n\n\n
Type<\/th>\nModel \/ SKU<\/th>\nReference Price<\/th>\n<\/tr>\n<\/thead>\n
High Gain Antenna<\/td>\nHigh Gain Antenna<\/td>\n$1.72 USD<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

The displayed currency follows the current language. Prices are for selection reference only; contact us to confirm the final quotation, lead time, and configuration.<\/p>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

High-Gain Wireless Antenna for Gas Detectors Product Features: – 433MHz wireless antenna for gas detector and alarm accessories – 3dBi gain, frequency range 423-443MHz – SMA connector design – Foldable structure for convenient installation – Suitable 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