Specifications:
The HR842 is an ultra-rugged tablet featuring an Intel Cherry Trail Z8350 CPU with speeds ranging from 1.44GHz to 1.92GHz. It operates on Windows 10 Home and includes 4GB RAM DDR and 64GB EMMC storage. The tablet supports GPS L1, GLONASS L1, and QZSS for GNSS capabilities, with single point accuracy of 2.5m and SBAS accuracy of 2m.

Communication:
The device supports 4G FDD-LTE and TD-LTE, 3G WCDMA, and GSM networks. It includes Bluetooth v4.0, NFC with a reading distance of 4cm, and WiFi 802.11 a/b/g/n at 2.4G/5G.

Interface and Multimedia:
The HR842 features a micro USB, USB2.0, micro HDMI, DC charge jack, and headset jack. It has an 8-inch 1280x800 IPS screen with 420cd/m2 luminosity, making it readable under ordinary sunlight. The tablet includes a 2MP front camera and a 5MP rear camera, along with slots for a SIM card and a TF card supporting SDHC/SDXC.

Electrical and Battery:
It is powered by a built-in 3.7V/8500mAh Li-ion battery, offering 7-8 hours of operation with WiFi.

Environmental and Physical Properties:
The HR842 is IP67 rated for waterproof and dustproof protection and is shockproof up to 1m (MIL-STD-810G). It operates in temperatures from -20℃ to +60℃ and can be stored in temperatures from -30℃ to +70℃. The tablet measures 228mm x 145mm x 16.5mm and weighs 630g.

Company Information:
Manufactured by South Surveying & Mapping Technology Co., Ltd., located in Guangzhou, China. Contact details include phone, fax, and multiple email addresses, with websites provided for further information.

Overview:
The HR842 is designed for high performance mobility and ease of use, suitable for office work and field applications. It supports software like Fieldgenius and SurvCE, enhancing user experience with its large touch screen.