Catalog > Internet of Things (IOT) Related Products > More Platforms BT04-A Bluetooth Serial Port Module BT04-A Bluetooth Serial Port Module BMT CSR BLUETOOTH MODULE V2.1 LOW COST CSR BLUE TOOTH MODULE V2.1+EDR PROTOCOL Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This module supports UART interface and supports SP Bluetooth serial port protocol, which has low cost and small size. Low power consumption, high sensitivity of transmission and reception, and only a small number of peripheral components can achieve its powerful functions Features Bluetooth V2.1+EDR Bluetooth Class2 Built-in PCB RF antenna Support UART interface 3.3V power supply Specifications Operating Frequency:2.4GHZ Receive Electric:8.5mA Supply Voltage:3.0-3.6V Operation Temperature:-25℃-75℃ Output Power：4dBm(Maximum)