USB wifi dongle with different wlan antenna

usb wireless adapter with different high gain antenna Specification Host Interface Mini USB Standards IEEE 802.11b IEEE 802.11g Antenna Type External detachable antenna(5dBi) Wireless Frequency Range 2.412GHz-2.4835GHz Wireless Signal Rates (With automatic fallback) 802.11b(11Mbps,9Mbps, 6Mbps, 5, 5Mbps, 2Mbps, 1Mbps) 801.11g(54Mbps, 48Mbps, 36Mbps, 24Mbps, 18Mbps, 12Mbps, 11Mbps, 9Mbps, 6Mbps) Wireless Transmit Power 25dBm(MAX) Modulation 11g: Orthogonal Frequency Division Multiplexing (OFDM) 54Mbps/48Mbps:QAM-64 36Mbps/24Mbps:QAM-16 18Mbps/12Mbps:QPSK 9Mbps/6Mbps:BPSK 11b: Direct Sequence Spread Spectrum(DSSS) 11Mbps/5.5Mbps:CCK 2Mbps:DQPSK 1Mbps:DBPSk Modulation Technique 802.11b: Direct Sequence Spread Spectrum (PBCC, CCK, DQPSK, DBPSK) 802.11g: Orthogonal frequency division multiplexing Security: Hardware-Based Encryption/Decryption Using 64-128-bit Wired-Equivalent Privacy(WEP)keys, WPA and WPA2 are also supported. Range: indoors up to 150meters (Theoretical value) Outdoors up to 500meters (Theoretical value) LED Indicators Link/Activity Use environment Temperature: 0°C - 50°C (operating), -20°C 70°C (storage) Humidity:5%-95% non-condensing (operating), 5%-95% non-condensing (storage)