Mercusys MW300UH 300Mbps High Gain Wireless USB Adapter, Micro USB 2.0, 2 External  antennas

Antenna Type External
Dimensions (W X D X H) 4.46 × 2.51 × 0.85 in. (without antennas)
4.46 × 3.96 × 7.92 in. (with vertical antennas)
113.2 × 63.8 × 21.7 mm (without antennas)
113.2 × 100.5 × 201.1 mm(with vertical antennas)
Signal Rate 11n: Up to 300 Mbps (Dynamic)
11g: Up to 54 Mbps (Dynamic)
11b: Up to 11 Mbps (Dynamic)
Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11bFrequency 2.400 – 2.4835 GHz
Reception Sensitivity 300M: -68 dBm@10% PER270M: -68 dBm@10% PER144M: -71 dBm@10% PER130M: -71 dBm@10% PER54M: -74 dBm@10% PER11M: -86 dBm@8% PER6M: -90 dBm@10% PER1M: -94 dBm@8% PER
Interfaces Micro USB 2.0Certifications CE, ROHS
Package Contents 300 Mbps High Gain Wireless USB Adapter (MW300UH)

Quick Installation Guide

Resource CDUSB Cable (Micro USB to USB A)
Environment Operating temperature: 0⁰C ~ 40⁰C (32⁰F ~ 104⁰F)
Storage temperature: -40⁰C ~ 70⁰C (-40⁰F ~ 158⁰F)
Operating humidity: 10% ~ 90% Non-Condensing
Storage humidity: 5% ~ 90% Non-Condensing
Transmission Power ≤20 dBm (EIRP)
Wireless Security WEP, WPA/WPA2, WPA-PSK/WPA2-PSK
System Requirements Windows 10/8.1/8/7/XP (32/64 bit)