300A-A0/B0-Beijing Space Navigation and Control Technology Co., Ltd.

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Details
Specifications

SNC300A-A0/B0 is equipped with cost-effective closed-loop fiber optic gyroscopes, accelerometers, and high-end GNSS receiver boards. It is achieved through multi-sensor fusion and navigation algorithm, meeting the precise measurement requirements for attitude, heading, and position information in applications such as medium and high-precision mobile measurement systems and large unmanned aerial vehicles.

Physical Dimensions and Electrical Index
Voltage	12-36VDC
Power Consumption	≤24W
Size	138.5 mm×136.5 mm×102mm
Weight	≤2.7kg
Environmental Index
Working Temperature	-40℃~+60℃
Storage Temperature	-45℃~+70℃
Vibration	20~2000Hz，6.06g(with shock absorbers)
Shock	30g，11ms(with shock absorbers)
Lifetime	>10 years
Continuous Working Time	>24h
Interface Features
RS422×3
RS232×2
EVENT×1
PPS×1
Antenna Interface（TNC）×2
Network Interface×1

System Performance Index		A0	B0
	Test conditions	Index
Position Accuracy	GNSS Valid，Single Point	1.2m（RMS）	1.2m（RMS）
	GNSS Valid，RTK	2cm+1ppm（RMS）	2cm+1ppm（RMS）
	Positioning Maintenance（GNSS Invalid）	1nm,Lock Loss 30min	0.8nm,Lock Loss 30min
Heading Accuracy	Self North-seeking	0.2°SecL，Align for 15 minutes, dual position alignment	0.15°SecL，Align for 15 minutes, dual position alignment
Heading Accuracy	Heading Maintenance（GNSS Invalid）	0.2°,Lock Loss 30min	0.15°,Lock Loss 30min
Attitude Accuracy	GNSS Valid	0.02°（RMS）	0.02°（RMS）
Attitude Accuracy	Attitude Maintenance（GNSS Invalid）	0.2°/30min（RMS）	0.1°，Lock Loss 30min
Velocity Accuracy	GNSS Valid，Single Point L1/L2	0.05m/s（RMS）	0.05m/s（RMS）
IMU Performance Index		A0	B0
FOG Gyro	Range	±400°/s	±400°/s
FOG Gyro	Bias Stability	0.3°/h（10s Average）	0.05°/h（10s Average）
Quartz Flexibility Accelerometer	Range	±16g	±16g
Quartz Flexibility Accelerometer	Bias Stability	≤50μg（10s Average）	≤50μg（10s Average）

300A-A0/B0

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