Wireless USB 2.0 Adapter with Hotspot Detector TEW-429UB Version C2.0R

The 54 Mbps 802.11g TRENDnet TEW-429UB Wireless USB Adapter with Hotspot Detector combines features from Wi-Fi detectors and standard 802.11g wireless adapters to deliver a solution for mobile users. It has a built-in LCD display that shows an access point's security scheme (WPA/WPA2, WEP), signal strength, and wireless standard (802.11b or 802.11g) without turning on a laptop.

Features

• Wi-Fi Compliant with IEEE 802.11g and IEEE 802.11b Standards
• Detects IEEE 802.11b and 802.11g HotSpots
• Connects to IEEE 802.11b or 802.11g Wi-Fi Devices
• Supports Ad-Hoc (Peer-to-Peer) Mode or Infrastructure (AP-Client) Mode
• Dynamic Data Rate Scaling at 54, 48, 36, 24, 18, 12, 9 and 6 Mbps for 802.11g
• Dynamic Data Rate Scaling at 11, 5.5, 2 and 1 Mbps for 802.11b
• Built-in Rechargeable Li-ion Battery (Automatically charges when connected to the USB port) and Back Light Support
• Hotspot Finder displays SSID, Channel, Security Enable/Disable and Signal Strength information
• Supports Custom Search by Signal Strength, SSID or Encryption
• Maximum Reliability, Throughput and Connectivity with Automatic Data Rate Switching
• Supports WEP, WPA/WPA2 and WPA-PSK/WPA2-PSK without Performance Degradation
• Low Interference and High Susceptibility Guarantee Reliable Performance
• Compatible with Windows 98SE/ME2000/XP/2003 Server
• Range of 35~100 metres indoor, 100~300 metres outdoor (depends on the environment)
• Simple User Setup & Diagnostics Utilities

Specifications

Hardware
Interface • USB 2.0, 1.1 Compliant
LCD/LED • 96 x 32 pixels, Back Light/PWR, ACT
Control • Power On/Off, Scan, Next
Rechargeable battery • 180 mAh
Current consumption • 280 mA
Dimensions • 97.3 x 28.6 x 14 mm (3.8 x 1.1 x 0.6 inches)
Weight • 35 g (1.2 oz.)
Temperature • Operating: 0° ~ 40°C (32° ~ 104° F) • Storage: -20° ~ 70° C (-4° ~ 58°F)
Humidity • 10% ~ 90% max (Non-condensing)
Safety emissions • FCC, CE

Wireless
Frequency • 2.412 - 2.484 GHz
Module Technique • 802.11b: CCK (11 and 5.5 Mbps), DQPSK (2 Mbps), DBPSK (1 Mbps) • 802.11g: OFDM
Media Access Protocol • CSMA/CA
Data Rate (auto fallback) • 802.11b: 11 Mbps, 5.5 Mbps, 2 Mbps, and 1 Mbps. • 802.11g: 54 Mbps, 48 Mbps, 36 Mbps, 24 Mbps, 18 Mbps, 12 Mbps, 9 Mbps and 6 Mbps
Transmit Power • 15 dBm ±2 dBm
Receiving Sensitivity • 802.11b: -87 dBm@11 Mbps. • 802.11g: -72 dBm@54 Mbps
Encryption • 64/128-bit WEP (Hex/Passphrase), WPA/WPA2 (AES/TKIP) • WPA-PSK/WPA2-PSK, 802.1x
Channels • 1~11 (US), 1~13 (EU), Japan (11b :1~14, 11g: 1~13)

Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from TRENDnet; Torrance, CA