$0.1 Buy 2 ( All models Limit 2)! Ebyte EWM104-BT57U Virtual serial port module 2.4GHz data transmission master-slave BLE5.2 USB to Bluetooth adapter

EWM104-BT57U is a USB to BLE Bluetooth adapter with Bluetooth 5.2 protocol. It is small in size, low in power consumption, and works in the 2.4GHz frequency band. It is used in smart wearables, home automation, home security, personal health care, smart home appliances, accessories and remote controls, automobiles, lighting, industrial Internet, smart data acquisition, smart control, etc. [Communication interface]：USB [Operating frequency]：2.4GHz [Bluetooth protocol]：BLE5.2 [Communication distance]：100m [Product size]： 18.5*14.5*6.0mm [Product weight]： 1.7g±0.1g Main parameters Performance Remark Minimum value Typical values Maximum value Operating voltage (V) 3.3 5 5.5 ≥5.0V can guarantee output power, and if it exceeds 5.5V, the module may be burned permanently Operating frequency band (MHz) 2400 - 2480 Supports ISM bands Transmission power -20 - twenty three - Power consumption Emitting current (mA) - 160 - Peak transient current @23dBm Receive current (mA) - 6.8 - - Receive sensitivity (dBm) - -95dbm - Working temperature (℃) -40 - +85 Industrial design Main parameters describe Remark Reference distance 220m Clear and open environment, height 2 meters, 4.5dBm, airspeed 1Mbps Bluetooth protocol Was 5.2 - Communication interface USB - Product size 60.0*18.0*8.5mm ±0.2mm RF interface PCB onboard antenna Equivalent impedance is about 50Ω Product weight 7.5g ±0.1g Main parameters Performance Remark Minimum value Maximum value Power supply voltage (V) 0 5.5 More than 5.5V may permanently burn the module Blocking power (dBm) - 10 Low probability of burning when used close to the Working temperature (℃) -40 85 Industrial grade