REALTEK RTL8821CU

the buletooth spec:

buletooth version:

V4.2

interface:

USB1.1/USB2.0

ferquency range:

2.4000GHz~2.4835GHz

channel

0-78channel

modulation factor:

8DPSK，TT/4 DQPSK GFSK

Maximum input level

8DPSK（3Mbps);TT/4-DQPSK(2Mbps);GFSK(1Mbps）

 transmission distance:

10米

RF Power

10dBm（Max）

Antenna gain

Built - in antenna, antenna gain peak0~2dBi

transmission speed  

1Mbps basic rate;2.3Mbps post enhancement rate

current

100mA – 200mA(BT+WIFI) Current varies with operating mode

Operating system support

 WIN 7/WIN8/10 system

WIFI SPEC：

Supported standards and protocols

IEEE 802.11ac/n/g/b、CSMA/CA with ACK

frequency domain

2.412~2484GHz/5.15~5.825GHz (因各国家标准而不同)

channel

2.4G:1-14; 5G:36~165 (因各国家标准而不同)

transmitted power

 transmission rate

receive sensitivity

AC80-MCS9：-55@10% PER; 

130M： -65dBm@10% PER; 

 108M：-65dBm@10% PER; 

 54M：-65dBm@10% PER; 

 11M：-87dBm@8% PER; 

 transmission distance

Indoor maximum 100 meters, outdoor maximum 200 meters (depending on the environment)

RF power

18dBm（Max）

antenna gain

Built-in antenna

spread-spectrum technique

• DSSS
• direct sequence spread spectrum

 working current

100mA – 200mA(BT+WIFI) Current varies with operating mode

• OS Support

Windows 2000/XP/Vista/WIN 7/WIN 8/10/MAC OS system

service environment