The Keyestudio HM-10 Bluetooth-4.0 V3 module is a master-slave Module. When use as the Host, it can send commands to the slave actively; when use as the Slave, it can only receive commands from the host.
The HM-10 Bluetooth module supports the Bluetooth 4.0 protocol, which not only supports Android mobile, but also supports iOS system.
Technical Details
Bluetooth protocol: Bluetooth Specification V4.0 BLE
No byte limit in serial port Transceiving
In open environment, realize 100m ultra-distance communication with iphone4s
USB protocol: USB V2.0
Working frequency: 2.4GHz ISM band
Modulation method: GFSK (Gaussian Frequency Shift Keying)
Transmission power: -23dbm, -6dbm, 0dbm, 6dbm, can be modified by AT command.
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