150Mbps High Gain Wireless N USB Adapter Model BL-WN190AH can transmit about 2000 meters (actual distance can depend on the environment). 150Mbps High Gain Wireless N USB Adapter Model BL-WN190AH is a wireless adapter that employs two chips to amplify power, output can reach 500mW, equipped with a 10dBi omni-directional antenna which has extreme long range environments, the antenna also provides better penetration and stability in complex wireless environments (like barriers or heavy interference).