Ralink RT5370 USB Nano WiFi Dongle - VWN157U

Ralink RT5370 USB Nano WiFi Dongle VWN157U Ralink RT5370 USB Nano WiFi Dongle VWN157U

VWN157U is a 150Mbps USB nano WiFi dongle. It adopts highly integrated Ralink RT5370 chipset, supports 2.4GHz frequency band, in full compliance IEEE802.11n standards, and fully backward compatible with 802.11g and 802.11b standards. VWN157U wireless mini USB adapter based wireless LAN function uses MAC/BBP/RF controllers and high-gain power amplifier.
VWN157U nano USB WiFi adapter is designed to provide wireless LAN function most compact and stylish with USB interface. It is dedicated for end users anywhere to enjoy the greatest efficiency.

Basic Features:
Most compact and stylish design
Support USB 2.0;
Support 20MHz/40MHz Bandwidth;
Comply with IEEE 802.11n protocol, compatible with IEEE 802.11g, IEEE 802.11b standards;
Automatic transmission rate detection network and transform
Supports 64/128 bit WEP data encryption; support WPA/WPA2/TKIP/AES other encryption methods;
1T1R mode antenna
Reverse Direction Grant Data Flow and Frame Aggregation
Support the 2.4GHZ frequency
Support Multiple BSSID
Support QoS-WMM, WMM-PS
Support WPS: PIN, PBC
Support Cisco CCX
Support Infrastructure mode and Ad-hoc mode
Low Power with Advanced Power
Operating System Support: Windows XP 32/64, 2000, Vista32/64, Windows 7 32/64, Linux, Macintosh


Protocol IEEE 802.11n;IEEE 802.11g ;IEEE 802.11b
Transmission rate 11b:1/2/5.5/11Mbps
11n:up 150Mbps
Frequency range 2.412 ~ 2.4835 GHz
Operating Channels 1 ~ 14(2.4G)
Transmit power 18 dBm(max)
Encryption WPA/WPA2/TKIP/AES
64/128 bit WEP encryption
Operating System Support Window 2000/XP/XP64/Vista/Win7 32bit/Win7 64 bit/Mac/Linux
Interface USB 2.0
Antenna Built-in PIFA Antenna
POWER <=2.5W
Use of the environment Operating Temperature:0~40
Storage temperature:-20~75
Storage Humidity:10% ~ 90% RH Non-condensing
Operating Humidity:5% ~ 95% RH Non-condensing


Channel Assignment:

Channel Frequency FCC(US) IC(CA) ETSI(EU) Japan(JP)
1 2.412GHz X X X X
2 2.417GHz X X X X
3 2.422GHz X X X X
4 2.427GHz X X X X
5 2.432GHz X X X X
6 2.437GHz X X X X
7 2.442GHz X X X X
8 2.447GHz X X X X
9 2.452GHz X X X X
10 2.457GHz X X X X
11 2.462GHz X X X X
12 2.467GHz     X X
13 2.472GHz     X X
14 2.4835GHz       X

US = United States, CA = Canada, EU = European Countries (except France and Spain), JP = Japan
Many countries and region are currently revising the channel assignment.
X = Supported

RF Characteristics:

RF Characteristics Minimum Typical Maximum Units
PC Interface   USB 2.0    
Internal Antenna Impedance   50 ohms    
Operating Temperature Range 0   55
Storage Temperature Range -20   75
Supply Voltage 4.7 5 5.3 V
RX Supply Current(11b 11MBps)   140   mA
Power Consumption   462   mWatts
RX Supply Current(11g 54Mbps)   150   mA
Power Consumption   495   mWatts
RX Supply Current(11n 150Mbps)   190   mA
Power Consumption   627   mWatts
TX Supply Current(11b 1MBps)   265   mA
Power Consumption   875   mWatts
TX Supply Current(11g 6Mbps)   255   mA
Power Consumption   842   mWatts
TX Supply Current(11n 15Mbps)   245   mA
Power Consumption   809   mWatts
Radio off Current   40   mA
Power Consumption   132   mWatts
RX Sensitivity(11b,11Mbps)   -86   dBm
RX Sensitivity(11g,54Mbps)   -71   dBm
RX Sensitivity(11n,150Mbps)   -63   dBm
TX Output Power(11b,11M)   17   dBm
TX Output Power(11g,54Mbps)   15   dBm
TX Output Power(11n,MCS0)   14   dBm
TX Output Power(11n,MCS7)   14   dBm
TX Spectral Mask(CCK)   PASS    
TX Spectral Mask(OFDM)   PASS    
TX Spectral Mask(11n,20M)   PASS    
TX Spectral Mask(11n,40M)   PASS    
Preamble Length   Long/Short    

Additional Info

  • Interface: USB2.0
  • WiFi Frequency: 2.4GHz 11n/g/b
  • WiFi Data Rate: 150Mbps
  • Transmission Power: Standard

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