La comparación de la aplicación de tecnología de comunicación inalámbrica en la cerradura de puerta inteligente
Hora:2020-04-11
Puntos de vista:2886
Tecnología de comunicación inalámbrica aplicada en cerradura de puerta inteligente.
| Bluetooth | Zigbee | WI-FI | NB-IOT | Others(e.g. Sub-GHz) | |
| Physical layer standard | 802.15.1 | 802.15.4 | 802.11ah | 3GPP IoT | Proprietary Lora/Sigfox |
| Application | Wearable, smart home, car, light networking, industrial and agricultural monitoring, etc. | Control and monitoring | Limited replacement, control and monitoring | Meter reading, parking management | Control and monitoring |
| Battery life | year | month - year | day->year | month- year | month-year |
| Network scale | Mesh ->65536 | 100 to 65000 | Star->8K | 50K/Node B | 10s to 100s |
| Bandwidth（Kbits/s） | 2000 | 20-250 | 150K-7.8M | < 250 | 0.5-1000 |
| Distance(m) | -> 500 | 1 - 500+ | 1000+ | 1000+ | 1-7000+ |
| Optimization | Low cost, low power consumption, operability, and scalability | Reliability, low power consumption, low cost, scalable | Low power consumption, low cost, scalable | Low power consumption, low cost | Long distance, low power consumption, low cost |
| Cost | L | L | M | M | M |
