[Retracted] Meta-Analysis of Long-Term Efficacy of Proliferative Diabetic Retinopathy Based on Intelligent Medical Treatment

Table 1

Comparison of wireless communication technical parameters.

Wireless communication technology	The communication distance	Transmission rate	Power consumption (send/receive)	The sensitivity	Spectrum
Bluetooth	About 10 m	1 Mbps	300 mA/20 mA	−106 dBm	2.4 GHz
WiFi	30–150 m	54 Mbps	350 mA/70 mA	−92 dB m	2.4 GHz
ZigBee	30–75 m	20–250 kbps	35 mA/26 mA	−100 dBm	2.4 GHz
LoRa	2–15 km	0.2–37. 5 kbps	120 mA/10 mA	−142 dBm	<1 GHz