{"id":18320,"date":"2026-10-24T06:04:44","date_gmt":"2026-10-24T00:34:44","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=18320"},"modified":"2026-10-24T06:04:46","modified_gmt":"2026-10-24T00:34:46","slug":"working-of-a-wireless-mouse-and-keyboard","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/working-of-a-wireless-mouse-and-keyboard\/","title":{"rendered":"Working of a Wireless Mouse and Keyboard"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/l69lIH7BwK4?si=DNIoHUVzJA5e4mHC\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n<p class=\"wp-block-paragraph\">Wireless keyboards and mice capture physical inputs and transmit them to a computer using radio waves, bypassing the need for physical cables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The Transmission Process<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Input Detection:<\/strong> When you press a key, click a mouse button, or move the device across a desk, an internal microcontroller registers the electrical change and converts it into a digital data packet.<\/li>\n\n\n\n<li><strong>Broadcasting:<\/strong> A built-in radio transmitter encrypts and sends this data over the airwaves. Modern peripherals almost exclusively use the 2.4 GHz frequency band to broadcast.<\/li>\n\n\n\n<li><strong>Reception:<\/strong> A receiver picks up the signal. This is either a dedicated USB dongle plugged directly into the computer or the computer&#8217;s internal Bluetooth antenna.<\/li>\n\n\n\n<li><strong>Processing:<\/strong> The receiver decrypts the radio signal and translates it back into standard Human Interface Device (HID) instructions. The operating system processes these instructions identically to a wired connection, registering the keystroke or cursor movement on screen in milliseconds.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Primary Wireless Technologies<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Feature<\/strong><\/td><td><strong>2.4 GHz RF (USB Dongle)<\/strong><\/td><td><strong>Bluetooth<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Receiver<\/strong><\/td><td>Requires a dedicated proprietary USB dongle.<\/td><td>Connects directly to the device&#8217;s built-in Bluetooth.<\/td><\/tr><tr><td><strong>Latency<\/strong><\/td><td>Extremely low (often &lt;1ms), making it ideal for gaming.<\/td><td>Slightly higher, though negligible for standard office work.<\/td><\/tr><tr><td><strong>Multi-Device<\/strong><\/td><td>Typically locked to its specific paired dongle.<\/td><td>Can pair with and quickly switch between multiple devices (PC, tablet, phone).<\/td><\/tr><tr><td><strong>Power Draw<\/strong><\/td><td>Highly efficient, often lasting years on a single battery.<\/td><td>Slightly higher power consumption than standard RF.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The devices which I have uses a USB dongle as you have seen. Wanted to know if I can detect the 2.4 GHz signals with my RTL-SDR Blog V4. This is the answer which I got: &#8220;No, the RTL-SDR Blog V4 cannot directly pick up 2.4 GHz signals out of the box because its hardware tuning range is limited to 500 kHz up to 1.766 GHz&#8221;. I will need a microwave downconverter for that!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wireless keyboards and mice capture physical inputs and transmit them to a computer using radio waves, bypassing the need for physical cables. The Transmission Process Primary Wireless Technologies Feature 2.4 GHz RF (USB Dongle) Bluetooth Receiver Requires a dedicated proprietary USB dongle. Connects directly to the device&#8217;s built-in Bluetooth. Latency Extremely low (often &lt;1ms), making [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18321,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-18320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amateur-radio-ham-radio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Working of a Wireless Mouse and Keyboard - Johnson&#039;s Techworld<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/techworld\/working-of-a-wireless-mouse-and-keyboard\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Working of a Wireless Mouse and Keyboard - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"Wireless keyboards and mice capture physical inputs and transmit them to a computer using radio waves, bypassing the need for physical cables. The Transmission Process Primary Wireless Technologies Feature 2.4 GHz RF (USB Dongle) Bluetooth Receiver Requires a dedicated proprietary USB dongle. Connects directly to the device&#8217;s built-in Bluetooth. Latency Extremely low (often &lt;1ms), making [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/techworld\/working-of-a-wireless-mouse-and-keyboard\/\" \/>\n<meta property=\"og:site_name\" content=\"Johnson&#039;s Techworld\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-24T00:34:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-24T00:34:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2026\/10\/Working-of-a-Wireless-Mouse-and-Keyboard.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1255\" \/>\n\t<meta property=\"og:image:height\" content=\"705\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/working-of-a-wireless-mouse-and-keyboard\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/working-of-a-wireless-mouse-and-keyboard\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"headline\":\"Working of a Wireless Mouse and Keyboard\",\"datePublished\":\"2026-10-24T00:34:44+00:00\",\"dateModified\":\"2026-10-24T00:34:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/working-of-a-wireless-mouse-and-keyboard\\\/\"},\"wordCount\":305,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/#\\\/schema\\\/person\\\/6201c843e80ccd3578e6196b1d007027\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/working-of-a-wireless-mouse-and-keyboard\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Working-of-a-Wireless-Mouse-and-Keyboard.jpg\",\"articleSection\":[\"Amateur Radio (Ham Radio)\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/working-of-a-wireless-mouse-and-keyboard\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/working-of-a-wireless-mouse-and-keyboard\\\/\",\"name\":\"Working of a Wireless Mouse and Keyboard - 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