Yahboom Smart bluetooth Module 4.0 Wireless Serial Port Transparent Transmission Master-slave Integration to Send WeChat

DocumentsDescription This Bluetooth module is designed for smart wireless data transmission It adopts CC2541 chip 256KB space and follows the V4 0BLE Bluetooth specification It supports AT command users can change the serial port baud rate device name pairing password and other parameters as needed This module supports UART interface and supports SPP Bluetooth serial port protocol which can realize its powerful functions with only a few peripheral components Features Transceiver without byte limit the transmission distance can up to 10m Low power consumption Near Field Communication No need to pair close to automatic connection Transparent heat shrinkable tube protection Specification PCB size 37mm 16mmWeight 4gTransmission distance 10 20mReaction rate 0 4sOperating frequency 2 4GHz ISM bandModulation method GFSK Gaussian Frequency Shift Keying Sensitivity ≤ 84dBm at 0 1 BERTransmission rate Asynchronous 6 kbps Synchronous 6 kbpsSecurity features Authentication and encryptionSupport Services CentralPeripheral UUID FFEO FFE1Power consumption In the automatic sleep mode the standby current is 400uA 1 5mA and the transmission is 8 5mA Power supply 3 3V DC 50mAAppearance size 26 9mm x 13mm x 2 2 mmFunction master slavePackage includes Bluetooth module 4 0 1