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Articles: Networking

/images/other/dlink-dwa142/icon.gif D-Link RangeBooster N USB Adapter Review [05/28/2008 10:08 PM | Networking]
by Platon Scheblykin

Today we are going to talk about a solution from D-Link that is a draft 802.11n compliant wireless client for your desktop or notebook PC. The manufacturer claims that it delivers up to 12x faster speeds and 4x farther range than an 802.11g network while staying backward compatible with 802.11g and 802.11b networks. We are going to check it out in our new review.

Table of Contents

Real-time Pricing and Availability:
D-link DWA-142 (0790069297441) Pre-802.11n Wireless Adapter Products

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We’ve recently started a series of tests of Draft N wireless adapters, beginning it with a review of the Trendnet TEW-624UB. The device we are going to discuss today is another Wi-Fi adapter with a USB interface. It is manufactured by D-Link and called DWA-142.

D-Link’s Draft N products fall into three categories (in the order of lowering performance): Xtreme N, RangeBooster N, and Wireless N. The DWA-142 is a medium-performance product, belonging to the RangeBooster N category. You’ll see shortly how it differs from Xtreme N, for example.

So, let's get started and meet our today's hero.

 

Specifications

First let's take a look at the official specifications of the D-Link adapter:

Parameter

Characteristics

Wireless standard

- IEEE 802.11n (draft)
- IEEE 802.11g
- IEEE 802.11b

Encoding standard

- WEP (64/128bit)
- WPA
- WPA2

Antenna

2 integrated PIFA antennas (2dBi)

Signal modulation

- OFDM (BPSK/QPSK/16 QAM/64-QAM)
- CCK
- DQPSK
- DBPSK

Operating frequency

2400 – 2483.5 MHz

Nominal data transfer rate

- 802.11g: 6/9/12/18/24/36/48/54 Mb/s
- 802.11b: 1/2/5.5/11 Mb/s
- 802.11n (draft): 30/60/90/120/180/240/270/300 Mb/s

Transmit power

- 802.11b: 16dbm
- 802.11g/802.11n (draft): 14dbm

Transmit sensitivity

- 802.11b:
(typical PER < 8% for 1024 Byte packet and 25ºC + 5ºC temperature)
11 Mbps (CCK): -87dBm
5.5 Mbps (CCK): -88dBm
2 Mbps (DQPSK): -89dBm
1 Mbps (DBPSK): -91dBm

- 802.11g:
(typical PER <10% for 1024 Byte packet and 25ºC + 5ºC temperature)
54 Mbps (OFDM): -72dbm
48 Mbps (OFDM): - 75dbm
36 Mbps (OFDM): -77dbm
24 Mbps (OFDM): -80dbm
12 Mbps (OFDM): -85dbm
6 Mbps (OFDM): -88dbm 

- 802.11n (draft):
(typical PER <10% for 1024 Byte packet and 25ºC + 5ºC temperature)
300 Mbps (OFDM): -63dbm

Operating channels

11 for North America, 14 Japan,
13 Europe (ETSI), 3 (non-overlapping)

Interface

USB 2.0, 1.1 Standard

Other interfaces

None

Power

From the USB port

Current

- Transmitting: 270mA
- Receiving: 460mA

Dimensions

97.33mm (diameter)  x 19.3mm

Additional features

None

Package and Accessories

The box contains standard accessories:

  • Wi-Fi adapter
  • CD with drivers and user manual
  • Brief user manual
  • Safety instructions
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