FAQs
Q1: What are the 4K optical zoom and imaging specifications of the A20KTR?
Answer: The A20KTR features a high-performance 1/2.5" Exmor R CMOS sensor (8.51MP total pixels) supporting crystal-clear 4K video recording and 4K IP streaming. It is equipped with a 20x optical zoom lens (f = 4.4~88.4mm, F2.0 to F3.8, extending up to 30x with Super Resolution and 240x total zoom), backed by Electronic Image Stabilization (EIS) and Defog functions.
Q2: What are the thermal imaging performance specs and detection ranges of the 35mm lens?
Answer: It integrates a 640x512 uncooled VOx thermal sensor (12um pixel pitch, NETD <= 50mK) paired with a long-reach 35mm athermal lens:
*Vehicle Target (4.2m x 1.8m): Detection up to 4,472 meters, Recognition at 1,118 meters, Identification at 559 meters.
*Human Target (1.8m x 0.5m): Detection up to 1,458 meters, Recognition at 365 meters, Identification at 182 meters.
*Note: Optional radiometric thermometry supports ranges of -20 deg C ~ +150 deg C or 0 deg C ~ +550 deg C.
*Vehicle Target (4.2m x 1.8m): Detection up to 4,472 meters, Recognition at 1,118 meters, Identification at 559 meters.
*Human Target (1.8m x 0.5m): Detection up to 1,458 meters, Recognition at 365 meters, Identification at 182 meters.
*Note: Optional radiometric thermometry supports ranges of -20 deg C ~ +150 deg C or 0 deg C ~ +550 deg C.
Q3: What are the performance range and specifications of the built-in long-range Laser Rangefinder?
Answer: The AT20KTR features an advanced 1535nm eye-safe pulse laser rangefinder designed for extended-range missions:
*Measuring Range: 20 to 3,000 meters.
*Accuracy & Frequency: Accuracy of +/- 1 meter with an adjustable pulse frequency of 1 to 10Hz.
*Divergence Angle: Low divergence ($\le 0.5\text{ mrad}$) for precise targeting on center-screen objects.
*Measuring Range: 20 to 3,000 meters.
*Accuracy & Frequency: Accuracy of +/- 1 meter with an adjustable pulse frequency of 1 to 10Hz.
*Divergence Angle: Low divergence ($\le 0.5\text{ mrad}$) for precise targeting on center-screen objects.
Q4: What video output options and control interfaces are supported?
Answer:
*Video Outputs: Dual live-stream options supporting Micro HDMI (1080P @ 60fps) and IP video streaming (RTSP / UDP up to 4K / 1080p / 720p @ 30fps with H.264 / H.265 compression).
*Control Protocols: Comprehensive interface support including PWM, S.BUS, UART (TTL), and TCP / UDP network protocols.
*Video Outputs: Dual live-stream options supporting Micro HDMI (1080P @ 60fps) and IP video streaming (RTSP / UDP up to 4K / 1080p / 720p @ 30fps with H.264 / H.265 compression).
*Control Protocols: Comprehensive interface support including PWM, S.BUS, UART (TTL), and TCP / UDP network protocols.
Q5: What are the power supply requirements and power consumption?
Answer:
*Input Voltage: Supports 14.8V to 25.2V (4S to 6S LiPo battery systems).
*Current & Power: Dynamic current ranges between 950mA and 1500mA @ 16V, with an average power consumption of 15.2W (Max 24W).
*Ingress Protection: Rated IP4X for outdoor operational durability.
*Input Voltage: Supports 14.8V to 25.2V (4S to 6S LiPo battery systems).
*Current & Power: Dynamic current ranges between 950mA and 1500mA @ 16V, with an average power consumption of 15.2W (Max 24W).
*Ingress Protection: Rated IP4X for outdoor operational durability.
Q6: What local storage capacity and file formats are supported?
Answer: The unit includes an onboard MicroSD / TF slot supporting cards up to 256GB (Class 10, FAT32 format).
*Picture Storage: Saved in JPG format at 4K resolution (3840x2160).
*Video Storage: Recorded in MP4 format at 4K @ 30fps.
*Picture Storage: Saved in JPG format at 4K resolution (3840x2160).
*Video Storage: Recorded in MP4 format at 4K @ 30fps.
Q7: What are the AI detection and object tracking capabilities at 4K resolution?
Answer:
*AI Multi-Target Detection: Automatically detects and tracks Cars and Humans simultaneously (≥ 10 targets, car detection rate ≥85%, false alarm rate ≤ 10%). Note: Minimum recognized target size is 40x20 pixels at 4K resolution.
*Tracking Performance: Optimized for 4K tracking (minimum 32x32 pixels) at a 30Hz deviation update rate with < 30ms output latency, featuring a 2-second target memory time.
*AI Multi-Target Detection: Automatically detects and tracks Cars and Humans simultaneously (≥ 10 targets, car detection rate ≥85%, false alarm rate ≤ 10%). Note: Minimum recognized target size is 40x20 pixels at 4K resolution.
*Tracking Performance: Optimized for 4K tracking (minimum 32x32 pixels) at a 30Hz deviation update rate with < 30ms output latency, featuring a 2-second target memory time.
Q8: What are the physical dimensions, weight, and gimbal movement ranges?
Answer: Weighing 1010g with dimensions of 161 x 130 x 201.8mm, the heavy-duty gimbal provides robust 3-axis stabilization (+/- 0.02 deg vibration angle) and flexible rotation:
*Yaw/Pan: Supports 360-degree continuous rotation (Yaw/Pan: +/- 360 deg * N) on the IP output version (Standard controllable pan range up to +/- 290 deg).
*Pitch/Tilt: Controllable range from -45 deg to +110 deg (Mechanical range: -125 deg Up to +115 deg Down).
*Yaw/Pan: Supports 360-degree continuous rotation (Yaw/Pan: +/- 360 deg * N) on the IP output version (Standard controllable pan range up to +/- 290 deg).
*Pitch/Tilt: Controllable range from -45 deg to +110 deg (Mechanical range: -125 deg Up to +115 deg Down).