1.Measurement Performance Output Parameters: Heading, Pitch, Roll Heading Accuracy: ±0.3° after magnetic compensation Tilt Accuracy: ±0.08° Measuring Range: Heading 0°~360°, Pitch & Roll ±90° Resolution: 0.01° Adjustable Update Rate: 1Hz ~ 20Hz Shock & Vibration Resistance Shock Resistance: 50g triaxial instantaneous impact Vibration Resistance: 5grms, 10~1000Hz full frequency band 2.Electrical & Environmental Parameters Power Supply: DC 3.3V / 5V optional Communication Interface: TTL, RS485 Modbus-RTU Structure: Bare PCB single board without outer housing Operating Temperature: -40℃ ~ +85℃ EMC Compliance: EN61000 industrial electromagnetic standard 3.Core Functions & Advantages High precision heading measurement for professional survey and positioning applications Tiny bare PCB design for flexible embedded installation in narrow equipment space Built-in automatic hard & soft iron compensation to offset metal magnetic distortion High adjustable refresh rate to realize real-time fast attitude tracking Low power consumption, perfectly matches battery-driven portable devices Reserved pin terminals for convenient wiring and customer secondary development 4.Structural Features Pure PCB single-board structure without protective shell. Independent magnetic sensing area separated from power circuits to reduce electromagnetic crosstalk. Compact overall size saves internal space, supporting customers to customize matching outer casing. 5.Application Fields High-precision surveying instruments, UAV navigation modules, miniature marine attitude sensors, portable positioning terminals, underground pipeline inspection equipment, outdoor precision orientation measuring devices.