{"id":827,"date":"2025-06-04T23:18:11","date_gmt":"2025-06-04T20:18:11","guid":{"rendered":"https:\/\/ft.devbazu.com\/product\/se4\/"},"modified":"2025-10-24T12:37:43","modified_gmt":"2025-10-24T09:37:43","slug":"se4","status":"publish","type":"product","link":"https:\/\/ft.devbazu.com\/en\/product\/se4\/","title":{"rendered":"SE4"},"content":{"rendered":"<p><span data-sheets-root=\"1\">ELRS control receiver based on Semtech LR1121 chip<br \/>\nCompact high-performance receiver designed for stable and flexible control over a wide frequency range. Equipped with a modern Semtech LR1121 RF chip, it provides reliable communication in the 150-1000 MHz and 1000-3000 MHz bands, making it a versatile solution for a wide range of applications.<\/span><\/p>\n<p>Key features:<br \/>\nFrequency range: 150-1000 MHz \/ 1000-3000 MHz<br \/>\nRF chip: Semtech LR1121<br \/>\nTelemetry power: up to 100 mW<br \/>\nMicrocontroller: ESP32-C3<br \/>\nFirmware download: via Wi-Fi or UART<br \/>\nNumber of antennas: up to 4<br \/>\nDimensions: 10 \u00d7 10 \u00d7 3 mm<br \/>\nWeight: ~0.5 g<br \/>\nDespite its miniature form factor, the receiver supports up to 4 antennas, which allows for optimized reception quality and stable communication even in difficult radio environments. Thanks to the built-in Wi-Fi interface, firmware updates are quick and convenient &#8211; without connecting to a programmer.<\/p>\n<p>This module is the choice of engineers who value integration, reliability, and control.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ELRS control receiver based on Semtech LR1121 chip Compact high-performance receiver designed for stable and flexible control over a wide frequency range. Equipped with a modern Semtech LR1121 RF chip, it provides reliable communication in the 150-1000 MHz and 1000-3000 MHz bands, making it a versatile solution for a wide range of applications. Key features: [&hellip;]<\/p>\n","protected":false},"featured_media":732,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[160,92,100],"product_tag":[],"class_list":{"0":"post-827","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-novelty-en","7":"product_cat-control-communication-en","8":"product_cat-elrs-en","10":"first","11":"outofstock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SE4 - FT Electronics<\/title>\n<meta name=\"description\" content=\"ELRS control receiver based on Semtech LR1121 chip Compact high-performance receiver designed for stable and flexible control over a wide frequency range.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SE4 - 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