
Topographic Surveying Instrument Foif Rtk GPS A90 1408 Channels China Foif Rtk GPS Tilt Sensor. 1408 Channels High Precision: Supports 1408 satellite channels with 2.5mm+0.5ppm horizontal accuracy for professional surveying. Integrated IMU Tilt Sensor: Built-in IMU allows for tilt surveying, enhancing efficiency and accuracy in complex terrain. Dual Frequency GNSS: Dual frequency receiver with high-accuracy four-constellation micro-strip antenna for stable signals. Long Battery Life: 7.2V 6800mAh removable battery provides over 13 hours of continuous operation with hot-swap support. Comprehensive Connectivity: Features Wi-Fi, GSM/GPRS, LTE, Bluetooth, and internal radio for versatile data transmission. CE and ISO2000 Certified: Products meet international CE and ISO2000 standards ensuring quality and reliability. Customizable Channels: Channel configuration is customizable to meet specific project requirements.