SKYCITY EP-MS150N 11N 150M WIRELESS ADAPTER MINI HIGH POWER USB WIFI ADAPTER CARD

Yes it comes with antenna as shown in picture above. Original packing below :

QUICK SPECIFICATIONS :

• Add high-speed Wireless-N (draft 802.11n) Internet access to any USB enabled computer
• Download music & movies, surf the internet and e-mail up to 5 times faster than previous generation wireless networks (Wireless 802.11g)
• Offers greater coverage than Wireless-G networks for internet access throughout your home or office
• Works with older Wireless-G and Wireless-B networks
• Operating distance of up to 300 feet indoor, and up to 900 feet in open space
• Data transfer rate of up to 150Mbps (downlink) and 150Mbps (uplink)
• Supports USB 2.0 interface, backward compatible to USB 1.1 and 1.2
• Enhanced WEP and WPA wireless security for protected Internet access
• 64-bit / 128-bit WEP (Wired Equivalent Privacy), TKIP, AES 2.400GHz ISM
• Frequency Band Modulation Method: QPSK / BPSK / 16-QAM / 64-QAM
• Supports Ad Hoc and Infrastructure modes
• Supports IEEE 802.11e standard  

FULL SPECIFICATIONS :

Wireless Standards	IEEE 802.11n (draft) IEEE 802.11g IEEE 802.11b
Host Interface	High speed USB2.0 / 1.1 interface
Data Rate	802.11n: up to 150Mbps (downlink) and 150Mbps (uplink) 802.11g: 54 / 48 / 36 / 24 / 18 / 12 / 9 / 6 Mbps auto fallback 802.11b: 11 / 5.5 / 2 / 1 Mbps auto fallback
Chipset	Realtek8188CUS
Frequency Band	2.4GHz ISM (Industrial Scientific Medical) Band
RF Frequency	2412 ~ 2462 MHz (North America) 2412 ~ 2472 MHz (Europe) 2412 ~ 2484 MHz (Japan)
Radio Channel	1 ~ 14 channels (Universal Domain Selection)
Range Coverage	Up to 3 times farther range than 802.11g
Antenna type	Detachable Antenna 5dBi
Roaming	Full mobility and seamless roaming from cell to cell
RF Output Power	13 ~17 dBm (Typical)
Modulation	11n: BPSK, QPSK, 16QAM, 64QAM with OFDM 11g: BPSK, QPSK, 16QAM, 64QAM, OFDM 11b: DQPSK, DBPSK, DSSS, CCK
Data Security	64 / 128-bit WEP Encryption WPA, WPA-PSK, WPA2, WPA2-PSK. TKIP / AES
Network	Auto-switch to use 802.11n or 802.11g or 802.11b mode Supports Ad-Hoc, Infrastructure WLAN network Wireless roaming Data rate auto fall-back under noisy environment or longer range distance Site Survey with Profile function
Configuration & Management	Plug-and-Play setup and installation Management Utility supports 2000 / XP / Vista
Media Access Control	CSMA / CA with ACK
LED Indicator	Link / Active ( Green )
Operating System	Windows 2000, XP 32 / 64-bit, Vista 32 / 64-bit, Linux and MAC OS X
Environment	Operating Temperature: 0oC to 40oC Storage Temperature: -20oC to 75oC Operating Humidity: 10% ~ 90% (Non Condensing) Storage Humidity: 5% ~ 95% (Non Condensing)
Compliant	FCC (USA) CE Mark (Europe) RoHS Compliant Wi-Fi Compliant