Compare low power 150mbps realtek embedded wifi module,bluetooth module and usb wifi module 

CP318V2.3-6LTN is a USB wireless adapter module of low power consumption , high output capacities. It support IEEE802.11B/G/N, IEEE802.11I protocol security and IEEE802.11E standard Web service protocols. It can communication with the other wireless device which support these protocols. It supports 64/128WEP,WPA-PSK/WPA2-PSKWPA-PSK/WPA2-PSK,WPA/WPA2. Wireless N speed up to 150Mbps, is 10 times than general 11B products. Can adapt to different hardware platform, make the tablet/MID/webcam/STB/GPS/e-book/Hard disk player/internet radio/PSP connect the wireless network conveniently.

Product Features : 
Small volume, the dimension is only 12.9mm*12.3mm*1.9mm, smaller than a coin of one dime(USA). Very suitable for embedded devices. 
Low power consumption, static current is 90mA, the peak current is 110mA.
Rapid transmission speed, support IEEE802.11 N, up to 150 Mbps.

Product Specifications:
Model:CP318V2.3-6LTN
Standards :IEEE 802.11n, IEEE 802.11g,IEEE 802.11b,CSMA/CA with ACK
Port:USB 1.1/USB2.0
Frequency Range:2.4~2.4835GHz
Channel:1-14
Modulation Type:802.11 g/n: OFDM
802.11b: CCK(11, 5.5Mbps), QPSK(2Mbps), BPSK(1Mbps)
Transmission Rate:
802.11b: 11,5.5,2,1 Mbps
802.11g: 54,48,36,24,18,12,9,6 Mbps
802011n: Max 150Mbps
Receive Sensitivity:
130M: -65dBm@10% PER; 108M:-65dBm@10% PER; 54M:-65dBm@10% PER; 11M:-87dBm@8%PER; 6M:-90dBm@10% PER; 1M:-90dBm@8% PER
Transmission Distance:
Indoor up to 30m,outdoor up to 80m(Base on the environment)
RF Rate:16dBm(Maximum)
Antenna Gain:Need external antenna
Spread-Spectrum Technique:
DSSS(direct sequence spread spectrum)
Working Voltage:DC 3.3V ±0.2V
Dimension:13mm*12.2mm*2mm
Working Environment:
Working Temperature: -20℃ to 45℃
Storage Temperature: -40℃ to 70℃
operating humidity:10% to 90%RH noncondensing
Storage Humidity: 5% to 90%RH noncondensing
Supported OS:
Windows 2000/XP/Vista/WIN 7/WIN CE/LINUX/MAC OS 
Chip:Realtek RTL8188ETV