Bluetooth LE Radio 특성

참고자료: https://www.bluetooth.com/specifications/specs/core-specification-5-3/

* Bluetooth BR/EDR Radio 특성은 "블루투스 BR/EDR Radio 특성" 참고

 

1. Bluetooth LE Radio 특성

	LE 1M PHY(Coded)	LE 1M PHY(Uncoded)	LE 2M PHY(Uncoded)
FREQUENCY BAND	2.4 GHz ISM (Industrial Scientific Medical) band 사용 2.400 GHz ~ 2.4835 GHz RF Channels: 2402+2k MHz, k=0,…,39 (40개 채널 사용) Primary advertising channel 3개: 2402 MHz, 2426 MHz, 2480 MHz
MODULATION	GFSK (Binary FM Modulation)
	1 Msym/s modulation 2 MHz carrier 125 kb/s - Access Address - Coding Indicator - TERM1 125 kb/s or 500 kb/s - payload	1 Msym/s modulation 2 MHz carrier 1 Mb/s data	2 Msym/s modulation 4 MHz carrier 2 Mb/s data
Time	TDD(Time Division Duplex)

 

2. Bluetooth LE Power Class: 블루투스 안테나에 공급하는 전력세기

Power Class	Requirements
1	100 mW (+20 dBm) ≥  Pmax ˃ 10 mW (+10 dBm)
1.5	10 mW (+10 dBm) ≥ Pmax ˃ 2.5 mW (+4 dBm)
2	2.5 mW (+4 dBm) ≥ Pmax ˃ 1 mW (0 dBm)
3	1 mW (0 dBm) ≥ Pmax ≥ 0.01 mW (-20 dBm)