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AIR-M38B 802.11ac Chipset RTL 8812BU 1200Mbps With Bluetooth 5.0


Bluetooth specification


Bluetooth version                            V5.0

USB type                                          USB3.0

Transmission distance                    10 meters

RF Power                                         10 dBm(Max)

Transmission speed                        46Mbits/S

Antenna gain                                   Internal 2dBi

Working current                              100mA – 200mA(BT+WIFI), Current varies with working mode

Operating System Support            WIN 7/WIN8/10 Operating System


WiFi specification


Supported standards and protocols

IEEE 802.11ac. IEEE 802.11a , IEEE 802.11n, IEEE 802.11g,IEEE 802.11b,CSMA/CA with ACK

Transmission speed                      1200Mbps 

Frequency range                           2.4~2.4835GHz & 5.1~5850 GHz

Transmission speed


802.11b: 11,5.5,2,1 Mbps

802.11g: 54,48,36,24,18,12,9,6 Mbps

802.11n: up to 300Mbps
802.11ac: up to 867Mbps

Receiving sensitivity

867M: -65dBm@10% PER; 

300M:-65dBm@10% PER;

 54M:-65dBm@10% PER; 

 11M:-87 dBm@8% PER; 


Transmission distance

The furthest distance is 120 meters indoors and 200 meters outdoors (depending on the environment).

RF Power                                      17dBm(Max)

Antenna gain                                External 5dBi antenna

Spread spectrum technology      DSSS(Direct Sequence Spread Frequency)

Working current                           100mA – 200mA(BT+WIFI)Current varies with working mode

Operating System Support         Windows 2000/XP/Vista/WIN 7/WIN 8/10


Use environment

Working Temperature:                - 20 ~45.

Storage Temperature:                 - 40 to 70

Working humidity:                       10% to 90% RH without condensation

Storage humidity:                        5% to 90% RH without condensation

Working mode

Ad-hoc mode ( Peer to peer)
Infrastructure mode
Software AP
WiFi Direct 

Pico Net Scatter Net


AIR-M38S 802.11ac 

Chipset RTL 8812BU 1300Mbps 



Interface USB 2.0  2T2R

ChipsetRealtek 8812BU

Antenna TypeBuilt-in 2dBi antenna


Wireless StandardsIEEE 802.11ac, IEEE 802.11a,

IEEE 802.11n, IEEE 802.11g, IEEE 802.11b


Signal Rate5.8GHz

11ac: Up to 867Mbps(dynamic)

11a: Up to 54Mbps(dynamic)


11n: Up to 300Mbps(dynamic)

11g: Up to 54Mbps(dynamic)

11b: Up to 11Mbps(dynamic)

Reception Sensitivity11a 6Mbps:-88dBm   

11a 54Mbps:-71dBm

11ac HT20:-65dBm

11ac HT40: -60dBm

11ac HT80:-56dBm

11b 11Mbps:-90dBm

11g 54Mbps: -73dBm

11n HT20:-71dBm

11n HT40:-68dBm

Transmit Power<20dBm (EIRP)

Wireless ModesAd-Hoc / Infrastructure mode

Wireless SecuritySupport 64/128 bit WEP, WPA-PSK/WPA2-PSK, 802.1x

Modulation TechnologyDBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM

System RequirementsWindows XP/Vista/7/8/10, Linx2.6X;Mac OS X

EnvironmentOperating Temperature: 0℃~40℃ (32℉~104℉)

Storage Temperature: -40℃~70℃ (-40℉~158℉)

Operating Humidity: 10%~90% non-condensing

Storage Humidity: 5%~90% non-condensing


AIR-M388 802.11ac  Chipset RTL 8812BU 1300Mbps Embedded PA


Wireless Standards IEEE 802.11ac/a/n/g/b

InterfaceHigh speed USB3.0 interface

Data Rate802.11ac: up to 867Mbps

802.11n: up to 400Mbps

802.11g: 54/48/36/24/18/12/9/6Mbps auto fallback

802.11b: 11/5.5/2/1Mbps auto fallback

RF Frequency 2.4-2.4835GHz; 5.150-5.825GHz 

Antenna Type Built-in 2.4G and 5G Antenna 

RF Output Power 2.4G: 17dbm±2dbm; 5G: 14dbm±2dbm 

Modulation 802.11ac: MU-MIMO

802.11a: 5G OFDM


802.11g: CCK/DSSS/OFDM

802.11b: CCK/DSSS 

Data Security 64/128-bit WEP Encryption, WPA 

LED Indicator Link/Active 

Operating System Windows XP/Vista/7/8/8.1/10, Linux, Mac 

OperatingTemperature 0℃to 50℃, 20% ~ 85%RH  

Storage Temperature-10℃to 65℃, 10% ~ 90%RH 

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