Bluetooth version: Bluetooth Specification V4.0 EDR and BLE
Serial buffer size: 512 Bytes
SPP Device: module, maximum byte 60Bytes
BLE Device: module, maximum byte 20Bytes
Transmit receive distance: SPP 30m, BLE 60m
Communication distance: SPP 50m, BLE 100m
Operating frequency: 2.4GHz ISM band
Modulation mode: GFSK (Gaussian Frequency Shift Keying)
Sensitivity ≤-84dBm at 0.1% BER
transmission speed: SPP 40%, BLE 30%
Safety characteristics: Authentication and encryption
EDR service: L2CAP, SDP, RFCOMM, SPP
BLE service: ATT, GATT, LE Service: OxFFE0, Char: OxFFE1
Power waste: SPP 13mA, BLE 9.5mA
Power supply: 3.3 VDC 50mA
working temperature: -5 ~ 80 Centigrade
Appearance size: 18*13.5*2.2mm
The module defaults to baud rates of 115200, N, 8,1, slave mode, HM-13 pin compatible with HM-06, HM-11, HM-17, HM-19
HM-13 supports both EDR and BLE dual mode standby without switching, while supporting one EDR connection, one BLE link, and a three pass mode, enabling three party data interchange