FAQs
Q1: What are the key imaging capabilities and recognition ranges of the visible light camera?
Answer: The U818M features a Full HD 1080p CMOS sensor with 1x ~ 8x digital zoom (FOV: H 38.3 deg, V 22.1 deg). It provides reliable day-time recognition ranges:
*Vehicle Target (4.2m x 1.8m): Detection up to 2,000 meters, Recognition at 1,000 meters.
*Human Target (1.8m x 0.5m): Recognition at 400 meters.
*Vehicle Target (4.2m x 1.8m): Detection up to 2,000 meters, Recognition at 1,000 meters.
*Human Target (1.8m x 0.5m): Recognition at 400 meters.
Q2: What thermal performance and target detection ranges are provided by the 18mm infrared module?
Answer: The thermal system utilizes an uncooled VOx long-wave sensor (640x512 resolution, 12um pitch, NETD <= 50mK @ 25 deg C) paired with an 18mm athermal prime lens (FOV: H 24 deg, V 18.1 deg) and 1x ~ 8x digital zoom:
*Vehicle Target (4.2m x 1.8m): Detection up to 1,000 meters, Recognition at 500 meters.
*Human Target (1.8m x 0.5m): Recognition at 250 meters.
*Vehicle Target (4.2m x 1.8m): Detection up to 1,000 meters, Recognition at 500 meters.
*Human Target (1.8m x 0.5m): Recognition at 250 meters.
Q3: What is the measuring range and specification of the integrated Laser Rangefinder?
Answer: The unit integrates a compact 905nm pulse laser rangefinder designed for real-time target distance acquisition:
*Measuring Range: 5 to 1,200 meters with a resolution of 1 meter.
*Beam Parameters: Divergence angle of ~ 6 mrad with a pulse frequency of 1 to 4Hz, measuring the exact distance to the center object on screen.
*Measuring Range: 5 to 1,200 meters with a resolution of 1 meter.
*Beam Parameters: Divergence angle of ~ 6 mrad with a pulse frequency of 1 to 4Hz, measuring the exact distance to the center object on screen.
Q4: How compact and power-efficient is the U818M for micro or portable UAV platforms?
Answer: Engineered for extreme lightweight deployments, the U818M weighs only 320g with ultra-compact dimensions of 88.2 x 62.9 x 107.2mm. It operates on 14.8V to 25.2V (4S to 6S LiPo), drawing a dynamic current of 540~900mA @ 16V, with a low average power consumption of 8.6W (Max 14.4W) and an IP4X environmental rating.
Q5: What control links, network streaming, and local storage formats are supported?
Answer:
Video Output: Live IP network streaming (RTSP / UDP at 720p or 1080p @ 25fps/30fps with H.264 / H.265 compression).
*Control Links: Supports TTL (default) or S.BUS, alongside TCP / UDP network control.
*Storage: Onboard MicroSD / TF slot supporting up to 512GB (Class 10, FAT32 format), recording JPG photos at 1920x1080 and MP4 videos at 1080p @ 30fps.
*Control Links: Supports TTL (default) or S.BUS, alongside TCP / UDP network control.
*Storage: Onboard MicroSD / TF slot supporting up to 512GB (Class 10, FAT32 format), recording JPG photos at 1920x1080 and MP4 videos at 1080p @ 30fps.
Q6: What are the capabilities and refresh speed of the onboard target tracking module?
Answer: The built-in tracking engine operates at a high 60Hz deviation update rate:
*Target Size: Locks targets ranging from 16x16 to 128x128 pixels with a minimum object contrast of 5%.
*Memory Buffer: Features a 100-frame memory buffer to maintain target lock during temporary occlusions.
*Target Size: Locks targets ranging from 16x16 to 128x128 pixels with a minimum object contrast of 5%.
*Memory Buffer: Features a 100-frame memory buffer to maintain target lock during temporary occlusions.
Q7: What are the mechanical rotation limits and stabilization performance of the gimbal?
Answer: Despite its micro footprint, the gimbal delivers high-precision stabilization (+/- 0.02 deg vibration angle on Pitch/Yaw) with a One-key to Center function:
*Yaw / Pan: Full continuous 360-degree rotation (Yaw/Pan: +/- 360 deg * N).
*Pitch / Tilt: Controllable range from -45 deg to +120 deg (Mechanical limit: -55 deg Up to +125 deg Down).
*Yaw / Pan: Full continuous 360-degree rotation (Yaw/Pan: +/- 360 deg * N).
*Pitch / Tilt: Controllable range from -45 deg to +120 deg (Mechanical limit: -55 deg Up to +125 deg Down).