Features

• White sprayed all-aluminum alloy shell and aluminum mesh, rust-proof, with a sleek and compact design;
• The column fixing plate is made of custom-molded ABS integrated plastic plate, which never mildews and extends service life;
• Adopts domestic integrated chips and Linux system, featuring excellent stability, security, portability and flexibility, which is incomparable to single-chip solutions;
• CPU: ARM Cortex A7 @ 900MHz;
• Audio Codec: Supports software codec, compatible with G.711, G.726, ADPCM, and audio 3A (AEC/ANR/AGC);
• 1×4G network module, supporting mainstream operator IoT cards (China Telecom, China Mobile, China Unicom);
• Standard 1×10/100M RJ45 network communication interface, supporting LAN and WAN deployment;
• Adopts file playback cache mechanism to save traffic, supports high-compression encoding format for paging, and enables mobile APP wireless broadcast with unlimited regions, quantities, distances and easy operation;
• Built-in 1-channel network hardware audio decoding module, enabling real-time/timed music playback;
• 4G working frequency bands: FDD-LTE B1/B3/B5/B8; TDD-LTE B38/B39/B40/B41; HSPA+/WCDMA 900/850/2100MHz; GSM/GPRS/EDGE 850/900/1800MHz; TD-SCDMA B34/B39; EVDO/CDMA1x:BC0;
• GPRS working frequency band: GSM/GPRS/EDGE 850/900/1800MHz;
• Background hardware resource monitoring, displaying CPU and memory usage ratio, and continuous running time;
• The device supports remote upgrade of WAN standalone and batch units, facilitating efficient and fast customer service;
• Powered by DC12V direct current, with optional external DC12V adapter or solar power supply;
• Adopts high-efficiency Class D digital amplifier, with complete protection circuits such as overload, overvoltage, overheating and direct current;
• Built-in 5.25-inch high-sound-pressure full-range speaker unit, with high sensitivity and clear, bright sound;
• Rated power of the column: 15W/30W/45W/60W;
• Standby power consumption of the whole machine is less than 10W, meeting national environmental protection and energy-saving certification requirements;
• Supports DHCP, compatible with routers, switches, Internet, multicast, unicast and any network topology;
• Supports 15KV ESD protection, built-in network isolation and lightning protection circuit;
• Digital networked product with easy expansion, free from geographical restrictions, no need for additional computer room management equipment;