The Slamtec A3M1 RPLIDAR A3 is a 360-degree 2D LiDAR sensor for longer-range robot mapping, localization, obstacle detection, and indoor or daylight-aware navigation projects. It is designed for service robots, research platforms, and autonomous mobile robot prototypes that need dense scan data beyond short-range indoor sensing. RPLIDAR A3 supports Enhanced Mode for maximum indoor ranging and sampling performance, and Outdoor Mode for more reliable daylight resistance. Slamtec lists up to 25 m ranging on white objects in Enhanced Mode, 16000 samples per second in Enhanced Mode, 10 Hz typical scan rate, TTL UART communication, and Class 1 laser safety. Features 360-degree laser scanning - Captures a full planar scan around the robot for localization, mapping, and obstacle-aware movement. Enhanced and Outdoor modes - Enhanced Mode targets maximum indoor ranging and sampling frequency, while Outdoor Mode improves daylight resistance. Up to 25 m white-object range - Official A3 specifications list 25 m white-object range in Enhanced Mode and 20 m in Outdoor Mode. 16000 samples per second - Enhanced Mode provides dense scan output for mapping and navigation algorithms. 10 Hz typical scan rate - Supports 10 Hz typical operation, adjustable between 5 Hz and 15 Hz. Brushless motor and OPTMAG design - Reduces mechanical friction and avoids traditional slip-ring wear limitations. Class 1 laser safety - Listed by Slamtec as reaching Class 1 laser safety standard. Specifications Parameter Value Brand Slamtec Model A3M1 / RPLIDAR A3 SKU Slamtec-A3M1 Product type 360-degree 2D laser range scanner / LiDAR sensor Distance range White object: 25 m in Enhanced Mode, 20 m in Outdoor Mode; dark object: 10 m in Enhanced Mode Minimum operating range 0.2 m Sample rate 16000 samples/s in Enhanced Mode; 10000 samples/s in Outdoor Mode Scan rate 10 Hz typical; adjustable between 5 Hz and 15 Hz Angular resolution 0.225° Communication interface TTL UART Communication speed 256000 bps Output UART Serial, 3.3 V logic level System voltage 5 V System current 450 mA - 600 mA Power consumption 2.25 W - 3 W Size and weight Height 41 mm, width 76 mm, weight 190 g Laser safety Class 1 laser safety standard Product Visuals Clean front view of the RPLIDAR A3 sensor 360 degree scan coverage for robot mapping Compact body for service robot integration Laser ranging concept for distance measurement Low-profile visual for embedded robot installations Reference Documents Slamtec RPLIDAR A3 Official Overview Slamtec RPLIDAR A3 Specifications Slamtec RPLIDAR A3 Support Downloads Applications Mobile robot navigation - Use 360-degree scanning data for localization, obstacle awareness, and map building. Commercial service robots - Build navigation stacks for service robots that need longer indoor range coverage. Indoor and daylight-aware prototypes - Switch between Enhanced Mode and Outdoor Mode based on mapping environment and daylight exposure. SLAM mapping - Collect dense scan data for 2D mapping and route planning experiments. Education and robotics labs - Teach ranging, scan-rate tradeoffs, mapping, and navigation using a compact LiDAR module. Packing List Item Quantity Slamtec A3M1 RPLIDAR A3 LiDAR Sensor 1 FAQ .faq-accordion details { border-bottom: 1px solid #e6eef8; padding: 14px 0; } .faq-accordion summary { list-style: none; cursor: pointer; font-size: 16px; font-weight: 700; color: #1f2933; position: relative; padding-right: 32px; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: "\203A"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%) rotate(90deg); color: #007fff; font-size: 28px; line-height: 1; transition: transform 0.2s ease; } .faq-accordion details[open] summary::after { transform: translateY(-50%) rotate(270deg); } .faq-accordion p { margin: 12px 0 0; color: #4b5563; line-height: 1.65; } What is the main advantage of the Slamtec A3M1?The A3M1 is part of the RPLIDAR A3 family and is positioned for longer-range 360-degree robot navigation, with up to 25 m ranging on white objects in Enhanced Mode. What is the difference between Enhanced Mode and Outdoor Mode?Enhanced Mode targets maximum indoor ranging distance and sampling frequency. Outdoor Mode is intended for indoor and outdoor environments with stronger daylight resistance. What sample rate does it support?The official specification lists 16000 samples per second in Enhanced Mode and 10000 samples per second in Outdoor Mode. What communication interface does A3M1 use?The official specification lists TTL UART communication and UART serial output at a 3.3 V logic level. What power does the module require?The official specification lists 5 V system voltage, 450 mA to 600 mA system current, and 2.25 W to 3 W power consumption. What is included in the packing list?The confirmed packing list for this listing includes one Slamtec A3M1 RPLIDAR A3 LiDAR Sensor.
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