{"id":79,"date":"2026-01-09T14:33:05","date_gmt":"2026-01-09T14:33:05","guid":{"rendered":"https:\/\/www.martin-electronics.co.za\/index.php\/product\/fixed-code-binary-3-button-403mhz\/"},"modified":"2026-01-11T15:46:15","modified_gmt":"2026-01-11T15:46:15","slug":"fixed-code-binary-3-button-403mhz","status":"publish","type":"product","link":"https:\/\/martin-electronics.co.za\/?product=fixed-code-binary-3-button-403mhz","title":{"rendered":"Fixed Code Binary 3 Button (403MHz)"},"content":{"rendered":"<p>The SENTRY Fixed-code Binary 3 Button 403MHz Radio Frequency Transmitter is a Dual-Inline Package (DIP) switch remote control which is a legacy product of the SENTRY range. It facilitates a \u201csplit-code\u201d mode of operation, which makes it suitable for private homeowners as well as for complexes and office parks. The product has the capability of operating on 1 of 4096 unique code protocols set by the user by toggling the switches located on the DIP switch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The SENTRY Fixed-code Binary 3 Button 403MHz Radio Frequency Transmitter is a standard DIP-switch type remote control that facilitates up to 4096 unique codes in the binary code protocol. This product is also equipped with a \u201csplit-code\u201d mode of operation, which enables the user to assign multiple devices to the same transmitter. This is useful in applications which involve townhouse complexes where a common code may be set for the gate, while still allowing the user to have user-unique buttons that only work with their specific devices in their specific unit within the complex.<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[18],"product_cat":[28,19],"product_tag":[],"class_list":["post-79","product","type-product","status-publish","product_brand-martin-electronics","product_cat-403-mhz-remotes","product_cat-rf-remote-transmitters","pa_gaurantee-warranty-sentry-products-are-manufactured-with-careful-consideration-to-detail-and-process-and-each-unit-is-manufactured-in-a-regulated-contaminant-free-environment-and-it-is-tested-under-strict","pa_technical-specifications-technical-specifications-and-features-carrier-frequency-403-55mhz-code-protocols-supported-binary-fixed-code-operating-range-40m-approximately-power-source-1-x-12v-battery-a23-transm","first","instock","product-type-simple"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"The SENTRY Fixed-code Binary 3 Button 403MHz Radio Frequency Transmitter is a standard DIP-switch type remote control that facilitates up to 4096 unique codes in the binary code protocol. This product is also equipped with a \u201csplit-code\u201d mode of operation, which enables the user to assign multiple devices to the same transmitter. This is useful in applications which involve townhouse complexes where a common code may be set for the gate, while still allowing the user to have user-unique buttons that only work with their specific devices in their specific unit within the complex.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/martin-electronics.co.za\/?product=fixed-code-binary-3-button-403mhz\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Martin Electronics -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Fixed Code Binary 3 Button (403MHz) - Martin Electronics\" \/>\n\t\t<meta property=\"og:description\" content=\"The SENTRY Fixed-code Binary 3 Button 403MHz Radio Frequency Transmitter is a standard DIP-switch type remote control that facilitates up to 4096 unique codes in the binary code protocol. This product is also equipped with a \u201csplit-code\u201d mode of operation, which enables the user to assign multiple devices to the same transmitter. This is useful in applications which involve townhouse complexes where a common code may be set for the gate, while still allowing the user to have user-unique buttons that only work with their specific devices in their specific unit within the complex.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/martin-electronics.co.za\/?product=fixed-code-binary-3-button-403mhz\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-01-09T14:33:05+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-01-11T15:46:15+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Fixed Code Binary 3 Button (403MHz) - Martin Electronics\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The SENTRY Fixed-code Binary 3 Button 403MHz Radio Frequency Transmitter is a standard DIP-switch type remote control that facilitates up to 4096 unique codes in the binary code protocol. This product is also equipped with a \u201csplit-code\u201d mode of operation, which enables the user to assign multiple devices to the same transmitter. 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