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Bluetooth version: Bluetooth Specification V4.2 BLE

Serial transceiver has no byte limit

Open environment, you can achieve 100 meters ultra long distance communication

Operating frequency: 2.4GHz ISM band

Modulation mode: GFSK (Gaussian Frequency Shift Keying)

Sensitivity ≤-84dBm at 0.1% BER

transmission speed: -23dbm, -6dbm, 0dbm, 6dbm

Safety characteristics: Authentication and encryption

Service: Central % Peripheral UUID FEE0, FFE1

Power consumption: sleep current 50uA~400uA, common standby current 6mA, transmission current 10mA

Power supply: 1.9 ~ 5.5V 50mA

working temperature: -40 ~ 85 Centigrade

Appearance size: 18*13*2.2mm

Main function:

1. master and slave

2. pass through function

3. pass through remote control function

4. super transport unit (MTU) 256Bytes/Package

5. rich AT instruction control system

6. support modification service UUID

7. support changes in communication

8. support iBeacon

9. support sleep standby

10. ultra long distance communication, up to 110 meters

11. faster transmission speed, 2~8KB/S

12., the AT instruction system is compatible with HM-10/HM-11

HM16 and HM17 each packet can reach 253 bytes, and Android mobile communications 253 bytes per package, and apple communications 158 bytes per package, two HM17 modules between 253 bytes per package