DNUR-83: 802.11n a/b/g wifi 2x2 USB module, RT2800UD/RT2870+RT2850

DNUR-83 is an 802.11n a/b/g wifi 2x2 MIMO USB module designed specifically to enable high-performance 2x2 MIMO for application specific devices (ASD) that demand robust link quality and maximum throughput and range. Setting new standards in throughput, range, reliability, and power consumption, DNUR-83 delivers the ultimate wireless triple play experience for video, voice, and data transmission in the home, for the business, and on the road.

Ralink RT2870+RT2850 solution supports 2 simultaneous traffic MIMO streams using up to 2 integrated Tx and Rx assuring a higher quality experience to enhance user's satisfaction.

 

Key Features

  • USB 2.0 module form factor in 5 pins header with proprietary definition in 2Tx/2Rx design is ideal for embedding into new or existing ergonomic devices.
  • Windows 2000/XP/Vista, Linux, and optional WinCE 5.0/6.0 drivers enable manufacturers to quickly and easily bring new bandwidth intensive applications to market with trouble-free WiFi integration.
  • Linux SoftAP valid by project.
  • 802.11n compliance effectively interoperates with other chipsets.
  • Enables bandwidth of up to 300Mbps link rate for 40MHz channel, six times the throughput of 802.11a and 802.11g.
  • Supports IEEE 802.11a/802.11b/802.11g backward compatibility allowing inter-operability among multiple wifi networks.
  • Two Hirose U.FL antenna connectors support MIMO functionality.
  • RoHS 2002/95/EC compliance meets environment-friendly requirement.

Specifications

Main Chipset Ralink® RT2870+RT2850
Standard Conformance 802.11a, 802.11b, 802.11g, and 802.11n Draft 2.0
Frequency Range
  • USA: 2.400 ~ 2.483GHz, 5.15 ~ 5.35GHz, 5.5 ~ 5.725GHz, 5.725 ~ 5.85GHz
  • Europe: 2.400 ~ 2.483GHz, 5.15 ~ 5.35GHz, 5.47 ~ 5.725GHz
  • Japan: 2.400 ~ 2.497GHz, 5.15 ~ 5.35GHz, 5.47 ~ 5.725GHz
  • China: 2.400 ~ 2.483GHz, 5.725 ~ 5.85GHz
Interface Universal Serial Bus (USB) revision 2.0
Form Factor five pins header with proprietary definition for USB 2.0 interface
LED Signaling
  • WLAN signaling supported
  • slow-rate blinking – active status of transmission (Tx/Rx/Stby)
  • off – radio off
Antenna 2 x SMT ultra-miniature coaxial connectors (U.FL – R-SMT)
Channel Spacing 5MHz
Operation Voltage 5.0V ± 5%
Modulation Technique
  • DSSS with CCK, DQPSK, DBPSK
  • OFDM with BPSK, QPSK, 16QAM, 64QAM
Data Rate
  • 802.11a: 6, 9, 12, 18, 24, 36, 48,54Mbps
  • 802.11b: 1, 2, 5.5 and 11Mbps
  • 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps
  • 802.11n:
    • 20MHz channel:
      • 1Nss: 65Mbps @ 800GI, 72.2Mbps @ 400GI (Max.)
      • 2Nss: 130Mbps @ 800GI, 144.4Mbps @ 400GI (Max.)
    • 40MHz channel:
      • 1Nss: 135Mbps @ 800GI, 150Mbps @ 400GI (Max.)
      • 2Nss: 270Mbps @ 800GI, 300Mbps @ 400GI (Max.)
Operating Channels
  • 802.11a/n
    • USA/Canada: 24 non-overlapping channels
    • Major Europe Countries: 19 non-overlapping channels
    • Japan: 19 non-overlapping channels
    • China: 5 non-overlapping channels
  • 802.11b/g/n
    • USA/Canada: 11 (1~11)
    • Major Europe Countries: 13 (1~13)
    • France: 4 (10~13)
    • Japan: 14 for 802.11b (1~13 or 14th), 13 for 802.11g (1~13)
    • China: 13 (1~13)
Power Consumption of 2T2R

802.11a 802.11b 802.11g 802.11n(2.4GHz)
802.11n(5GHz)
Avg.(mA) Avg.(mA) Avg.(mA) Avg.(mA) Avg.(mA)
FTP Tx
 400 424 292 358 425
FTP Rx
253 253 240 279 330
Standby
 220 209 208 234 249
Transmit Power Settings target power tolerance ± 1.5dBm
  • 802.11a:
    • +18dBm @ 6, 9, 12, 18, 24Mbps
    • +16dBm @ 36Mbps
    • +13dBm @ 48Mbps
    • +13dBm @ 54Mbps
  • 802.11b: +19dBm
  • 802.11g:
    • +19dBm @ 6, 9, 12,18,24Mbps
    • +17dBm @ 36Mbps
    • +14dBm @ 48Mbps
    • +14dBm @ 54Mbps
  • 802.11n 2.4GHz/HT20:
    • +19dBm @ MCS 0/8
    • +19dBm @ MCS 1/9
    • +19dBm @ MCS 2/10
    • +19dBm @ MCS 3/11
    • +17dBm @ MCS 4/12
    • +17dBm @ MCS 5/13
    • +14dBm @ MCS 6/14
    • +14dBm @ MCS 7/15
  • 802.11n 2.4GHz/HT40:
    • +19dBm @ MCS 0/8
    • +19dBm @ MCS 1/9
    • +19dBm @ MCS 2/10
    • +19dBm @ MCS 3/11
    • +17dBm @ MCS 4/12
    • +17dBm @ MCS 5/13
    • +14dBm @ MCS 6/14
    • +14dBm @ MCS 7/15
  • 802.11n 5GHz/HT20:
    • +18dBm @ MCS 0/8
    • +18dBm @ MCS 1/9
    • +18dBm @ MCS 2/10
    • +18dBm @ MCS 3/11
    • +16dBm @ MCS 4/12
    • +16dBm @ MCS 5/13
    • +13dBm @ MCS 6/14
    • +13dBm @ MCS 7/15
  • 802.11n 5GHz/HT40:
    • +18dBm @ MCS 0/8
    • +18dBm @ MCS 1/9
    • +18dBm @ MCS 2/10
    • +18dBm @ MCS 3/11
    • +16dBm @ MCS 4/12
    • +16dBm @ MCS 5/13
    • +13dBm @ MCS 6/14
    • +13dBm @ MCS 7/15
Receiver Sensitivity

Modulation Code Rate Typical/Maximum (2Rx dBm)
802.11a 6M -82 -92/-86
9M -81 -92/-86
12M -79 -91/-85
18M -77 -89/-83
24M -74 -86/-80
36M -70 -83/-77
48M -66 -79/-73
54M -65 -77/-71
802.11b 1M -82 -95/-89
5.5M -80 -95/-89
11M -76 -91/-85
802.11g 6M -82 -94/-88
9M -81 -93/-87
12M -79 -91/-85
18M -77 -90/-84
24M -74 -87/-81
36M -70 -84/-78
48M -66 -80/-74
54M -65 -78/-72
802.11a/n
HT20		 6.5M -82 -92/-86
13M -79 -90/-84
19.5M -77 -88/-82
26M -74 -85/-79
39M -70 -82/-76
52M -66 -78/-72
58.5M -65 -76/-70
65M -64 -74/-68
13M -82 -90/-85
26M -79 -87/-82
39M -77 -84/-79
52M -74 -81/-76
78M -70 -78/-73
104M -66 -73/-68
117M -65 -72/-67
130M -64 -70/-66
802.11a/n
HT40 		13.5M -79 -89/-83
27M -76 -86/-80
40.5M -74 -85/-79
54M -71 -82/-76
81M -67 -79/-73
108M -63 -74/-68
121.5M -62 -71/-65
135M -61 -71/-65
27M -79 -87/-82
54M -76 -84/-79
81M -74 -81/-77
108M -71 -80/-74
162M -67 -75/-70
216M -63 -71/-66
243M -62 -70/-65
270M -61 -67/-62

802.11b/g/n

HT20

6.5M -82 -93/-87
13M -79 -90/-84
19.5M -77 -88/-82
26M -74 -86/-80
39M -70 -83/-77
52M -66 -78/-72
58.5M -65 -77/-71
65M -64 -75/-69
13M -82 -90/-85
26M -79 -87/-82
39M -77 -85/-80
52M -74 -81/-77
78M -70 -78/-73
104M -66 -74/-69
117M -65 -73/-68
130M -64 -72/-67

802.11b/g/n

HT40

13.5M -79 -91/-85
27M -76 -89/-83
40.5M -74 -86/-80
54M -71 -84/-78
81M -67 -80/-72
108M -63 -76/-70
121.5M -62 -74/-68
135M -61 -73/-67
27M -79 -87/-82
54M -76 -84/-79
81M -74 -82/-77
108M -71 -79/-74
162M -67 -75/-70
216M -63 -71/-66
243M -62 -70/-65
270M -61 -69/-64
Operation Distance

Outdoor
Indoor
802.11a
  • 50m @ 54Mbps
  • 300m @ 6Mbps
  • 30m @ 54Mbps
  • 100m @ 6Mbps
802.11b
  • 150m @ 11Mbps
  • 300m @ 1Mbps
  • 30m @ 11Mbps
  • 100m @ 1Mbps
802.11g
  • 50m @ 54Mbps
  • 300m @ 6Mbps
  • 30m @ 54Mbps
  • 100m @ 6Mbps
802.11n
  • 30m @ 300Mbps
  • 30m @ 130Mbps
  • 250m @ 6.5Mbps
  • 20m @ 300Mbps
  • 20m @ 130Mbps
  • 100m @ 6.5Mbps
MAC Protocol CSMA/CA with ACK architecture 32-bit MAC
Operation Systems Supported Windows 2000/XP/Vista, Linux, and optional WinCE 5.0/6.0 by project
Wi-Fi Compliance Wi-Fi 2.4/5GHz by request
Security
  • 64/128/152-bit WEP encryption
  • 802.1x authentication
  • AES-CCM & TKIP encryption
Operation Temperature Range 0°C ~ +60°C
Storage Temperature Range -20°C ~ +80°C
Operating Humidity 15% ~ 95%, non-condensing
Storage Humidity max. 95%, non-condensing
Environment-Friendly Compliance RoHS

Block Diagram

PCB Dimension ＆ Pin Assignment

Extension Board

Evaluation Kit

Contact Sales

Contact Window
Mr. Juns Lin
Phone +886-3-6578188 ext.3101
Mobile Phone +886-939527069
e-mail sales-w@unex.com.tw
MSN
Skype

junslin My status

Working Hours 08:30-17:30 Monday to Friday at GMT+08:00
Current Time in Taiwan

 

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