5pcs Serial 4 pin Bluetooth RF Transceiver Module RS232 TTL
This small size Bluetooth TTL transceiver module allows your target device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer. It's easy to use and completely encapsulated.
TTL data transparent transfer between a host Bluetooth device.
Works with any USB Bluetooth adapters.
Default Baud Rate: 9600,8,1,n.
Coverage up to 30ft.
Built in antenna.
Power input: 3.6V-6VDC(Can not higher than 6V).
lot (5 pieces/lot)
20cm x 10cm x 10cm
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