Features: Brand new and high quality Supports both 2.4GHz and 5GHz bands. Utilizes wireless technology, allowing users to freely choose a working band based on the surrounding environment and terminal equipment, effectively avoiding wireless interference and network congestion for stable, fast, and smooth wireless signals! Requires 5G routing functionality to be supported. Product Condition: Used (Tested before shipping). Applications: STB, IPTV, Desktop, Laptop, HDMI, GPS, IP Camera. Operating Systems: Windows 8.1, 32-bit/64-bit, Windows 8, 32-bit/64-bit, Windows 7, 32-bit/64-bit, Windows Vista, 32-bit/64-bit, Windows 10 32-bit/64-bit, Linux v2.6.1.3/ Mac 10.7, 10.8, 10.9. Specifications: Main Chipset: RT5572N Host Interface: USB 2.0 Type A LEDs: None Antennas: 2 built-in 2.4/5 GHz PCB antennas. Operating Frequency: ISM band, 2412~2483.5MHz, 4915~5825MHz (Specific frequency range depends on country/region). Typical Transmit Power (before antenna): 802.11a (OFDM) 54 Mbps: 10+/-1dBm 802.11b (CCK) 11 Mbps: 18+/-1dBm 802.11g (OFDM) 54Mbps: 15+/-1dBm EVM <-31dB 802.11n (HT20 MCS7), 15+/-1dBm; (HT40 MCS15), 14+/-1dBm Receive Sensitivity (after antenna): 802.11a: -66+/-1dBm 802.11b: -88+/-1dBm 802.11g: -73+/-1dBm 802.11n (HT20), -70+/-1dBm; 802.11n (HT40), -72+/-1dBm Security: WEP 64/128, WPA/WPA2 (TKIP, AES); WAPI; Voltage Range/Current: DC 5.0V ± 5% / <330mA (802.11g); 3.3VDV±5% <350mA (802.11n,HT40) Note: No retail package. Please allow 0-1cm error due to manual measurement. Please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Wireless USB Adapter