精品国产制服丝袜高跟,无码免费一区二区三区,青青草原综合久久大伊人,人妻少妇-嫩草影院

The Intelligent Duty Terminal TVA310 is essentially an Android 9.0-based phone that can achieve communication and intercom both 2G/3G/4G full-network and 1.4GHz/1.8GHz private network. By installing the alarm operation and disposal APP, it supports voice , picture , SOS, NFC patrol check-in, work order disposal, and has a 3.1-inch touch screen, 5MP front camera, 13MP rear camera. Despite its small size, it has all the essentials.

? Compared to ordinary intercoms, it is significantly thin and lightweight, and the highlight is the 3.1-inch color LCD screen, which is lightweight and more practical, making it easy to carry;

? Although small in size, it is equipped with a 2W audio power amplifier, which has noise reduction processing for both audio reception and transmission, making the sound loud and clear, especially in noisy environments;
? Domestic chip SOC integrated chip, high integration, small volume, good stability, low power consumption, and long battery life;

? Supports 2G, 3G, 4G networks of the three major operators in China (China Mobile, China Unicom, and China Telecom), equipped with professional intercom software and alarm operation and maintenance work order disposal APP, supports global intercom, single call, circle building, real-time positioning, video upload, track inquiry, electronic fence, NFC inquiry, creating new work orders/events, and work order assignment, alarm, disposal, audit and other functions;

? Protection level IP67, suitable for special industry users.