module HC-05 HC 05 HC06 AT09 master slave RF Wireless Bluetooth Transceiver Module RS232 / TTL to UART convertor si adaptor
modul Bluetooth 4 AT09 CC2541

specificatii HC05/HC06:
Bluetooth protocol: Bluetooth Specification v2.0+EDR
Frequency: 2.4GHz ISM band
Modulation: GFSK(Gaussian Frequency Shift Keying)
Emission power: ≤4dBm, Class 2
Sensitivity: ≤-84dBm at 0.1% BER
Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
Security: Authentication and encryption
Profiles: Bluetooth serial port
Power supply: +3.3VDC 50mA
temp de lucru: -20 ~ +75 C
dimensiune 26.9mm x 13mm x 2.2 mm

Atentie nu e modul audio (ci pt transfer date automatizari)
am si module Bluetooth audio 07******64