{"product_id":"marvelmind-beacon-hw4-9","title":"Marvelmind Beacon HW4.9 915Mhz","description":"\u003ch1\u003eMarvelmind HW4.9 Indoor Positioning Beacon\u003c\/h1\u003e\n\u003cp\u003eWant an indoor GPS that actually works? The Marvelmind HW4.9 indoor positioning beacon is your ticket to high-precision tracking without relying on spotty satellite signals. Whether you're building a fully autonomous robot tracking system or just trying to locate where your cat hides the 10mm socket, this Marvelmind beacon delivers sub-2cm accuracy. It uses ultrasonic pings and ISM band telemetry, safely dodging CAA paperwork purgatory since it’s strictly an indoor positioning system. And yes, unlike a Raspberry Pi during the supply chain dark ages, this hardware is actually in stock.\u003c\/p\u003e\n\u003ch3\u003eWhy You Want It\u003c\/h3\u003e\n\u003cp\u003eYou've spent 40 hours coding an autonomous rover, only for it to aggressively repeatedly ram the skirting board because its odometry drifted. Sound familiar? By adding this HW4.9 beacon to your Marvelmind indoor positioning network, you get absolute, ground-truth coordinates. It features a built-in IMU for that sweet extra motion data, and you can switch it between mobile (on your robot) or stationary (on your wall) via software. We know, we're shamelessly trying to up-sell you to increase your coverage area, but hey, servers aren't free and Joshua Bardwell won’t fund our yacht.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2cm (because 3cm is just embarrassing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequencies:\u003c\/strong\u003e 915Mhz \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life:\u003c\/strong\u003e Up to 1300 hours active (so you'll lose the charger long before it dies)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterfaces:\u003c\/strong\u003e USB, UART, SPI, I2C (wire it backward to release the magic smoke)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Up to 50 meters (plenty of room to fly indoors without turtle mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e Built-in IMU (for when you need to know exactly \u003cem\u003ehow\u003c\/em\u003e violently you crashed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s in the Box*\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× Marvelmind HW4.9 Beacon\u003c\/li\u003e\n\u003cli\u003e(Probably zero hand-holding, welcome to the maker hobby)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDisclaimer\u003c\/h2\u003e\n\u003cp\u003eManufacturer packaging and accessories may randomly change without warning, but we guarantee you'll receive the genuine HW4.9 beacon you paid for.\u003c\/p\u003e\n\u003ch2\u003eStill Here For An Indoor Positioning Beacon?\u003c\/h2\u003e\n\u003cp\u003eStill scrolling? You must be one of those spec-sheet masochists who actually reads the EULA before flashing Betaflight. Look, if you need reliable autonomous drone tracking indoors, just click add to cart. We need the cash to buy more solder, and you need to stop your rover from hitting the cat. It's a win-win. Share this page with your robotics mate, and maybe they'll spot you the quid.\u003c\/p\u003e","brand":"Marvelmind Robotics","offers":[{"title":"Default Title","offer_id":57061931909501,"sku":"MMB915","price":37.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/9972\/5181\/files\/products-indoor-navigation-positioning-mobile-beacon-case--imu-433mhz__47670.1506079073.1280.1280.jpg?v=1754233525","url":"https:\/\/www.unmannedtechshop.co.uk\/products\/marvelmind-beacon-hw4-9","provider":"Unmanned Tech","version":"1.0","type":"link"}