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Ghz Wifi

HP Compaq NC6400 141 Core 2 Duo 20Ghz 1GB 80GB Combo WiFi Laptop w AC
HP Compaq NC6400 141 Core 2 Duo 20Ghz 1GB 80GB Combo WiFi Laptop w AC $169.99
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WIFI 24GHZ 7 DBI BOOSTER ANTENNA SMA RP WIRELESS WLAN
WIFI 24GHZ 7 DBI BOOSTER ANTENNA SMA RP WIRELESS WLAN $4.81
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7 Black MID T01 GOOGLE Android PC Tablet WIFI CAMERA Touch SCREEN NETBOOK 1 GHZ
7 Black MID T01 GOOGLE Android PC Tablet WIFI CAMERA Touch SCREEN NETBOOK 1 GHZ $99.99
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ATT Motorola Atrix 4G No Contract 1GHz Dual Core WiFi Global Android Smartphone
ATT Motorola Atrix 4G No Contract 1GHz Dual Core WiFi Global Android Smartphone $174.99
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New Sony Ericsson Xperia X10 8MP GPS WIFI ANDROID V21 1GHz 4 WVGA SMARTPHONE W
New Sony Ericsson Xperia X10 8MP GPS WIFI ANDROID V21 1GHz 4 WVGA SMARTPHONE W $172.50 (8 Bids)
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Dell Latitude D610 186Ghz1GB80GBDVDCDRWWiFi Laptop
Dell Latitude D610 186Ghz1GB80GBDVDCDRWWiFi Laptop $99.00
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Dell Latitude D630 Laptop 24GHz 4GB+320GB+WiFi+DVDRW+Windows Vista+WebCamCamera
Dell Latitude D630 Laptop 24GHz 4GB+320GB+WiFi+DVDRW+Windows Vista+WebCamCamera $380.00
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Lenovo ThinkPad T400 141 Core 2 Duo T9400 253GHz 4GB 160GB 72K DVDRW WiFi BT
Lenovo ThinkPad T400 141 Core 2 Duo T9400 253GHz 4GB 160GB 72K DVDRW WiFi BT $373.96
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Dell D620 Laptop Notebook Computer Dual Core 16 GHz 2 GB Ram Wifi Dvd Windows 7
Dell D620 Laptop Notebook Computer Dual Core 16 GHz 2 GB Ram Wifi Dvd Windows 7 $199.97
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HP Compaq 6510b 18GHz Core 2 Duo 3GB RAM WIFI DVD RW NO HD Needs OS L222
HP Compaq 6510b 18GHz Core 2 Duo 3GB RAM WIFI DVD RW NO HD Needs OS L222 $109.99
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DELL LATITUDE D630 Core 2 Duo 22GHz 120GB Wifi Laptop
DELL LATITUDE D630 Core 2 Duo 22GHz 120GB Wifi Laptop $102.50 (2 Bids)
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HP DX2300 Intel Dual Core 32Ghz 4GB DVD RW+DVD Rom 600GB WIFI 45 Day Warranty
HP DX2300 Intel Dual Core 32Ghz 4GB DVD RW+DVD Rom 600GB WIFI 45 Day Warranty $249.99
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Dell Latitude D531 AMD 64 Athlon x2 18GHz Wifi Laptop
Dell Latitude D531 AMD 64 Athlon x2 18GHz Wifi Laptop $99.99
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DELL LATITUDE D530 LAPTOP 2GHz 2GB WIFI
DELL LATITUDE D530 LAPTOP 2GHz 2GB WIFI $43.69 (12 Bids)
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Fujitsu LifeBook P1610 Core Solo U1400 120GHz 512 MB RAM WiFi Good working
Fujitsu LifeBook P1610 Core Solo U1400 120GHz 512 MB RAM WiFi Good working $119.99
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300M 24GHz Wireless WI FI LAN 80211 n g b Network Internet USB Adapter Dongle
300M 24GHz Wireless WI FI LAN 80211 n g b Network Internet USB Adapter Dongle $0.99
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New MID M1060 Android 40 101 Tablet PC 1080P 12 Ghz Capacitive Screen WiFi
New MID M1060 Android 40 101 Tablet PC 1080P 12 Ghz Capacitive Screen WiFi $179.95
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DELL LATiTUDE LAPTOP C640 WiFi 20GHz CDRW COMPUTER FAST WIRELESS WIN XP
DELL LATiTUDE LAPTOP C640 WiFi 20GHz CDRW COMPUTER FAST WIRELESS WIN XP $109.99 (1 Bid)
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BlackBerry Torch 9850 VERIZON 3G Unlocked Quadband GSM WiFi 12 GHZ Touchscreen
BlackBerry Torch 9850 VERIZON 3G Unlocked Quadband GSM WiFi 12 GHZ Touchscreen $286.99
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7 10GHz Capacitive Touch Screen Wifi Camera Android 23 40 4GB Tablet MID PC
7 10GHz Capacitive Touch Screen Wifi Camera Android 23 40 4GB Tablet MID PC $60.50 (34 Bids)
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Dell Latitude D630 Laptop24GHz 4GB+320GB+WiFi+DVDRW+Windows Vista+WebCam Camera
Dell Latitude D630 Laptop24GHz 4GB+320GB+WiFi+DVDRW+Windows Vista+WebCam Camera $360.00
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Dell Latitude D430 Laptop Notebook 133GHz 2GB+80GB+WiFi +Window Vista +WebCam
Dell Latitude D430 Laptop Notebook 133GHz 2GB+80GB+WiFi +Window Vista +WebCam $183.20
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Dell Latitude D600 16Ghz1GB60GBDVD CDRWWifi Laptop
Dell Latitude D600 16Ghz1GB60GBDVD CDRWWifi Laptop $79.00
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Lot of 2 Compaq HP NC4400 12 Business Laptop Intel CORE 2 Duo 20GHZ WIFI
Lot of 2 Compaq HP NC4400 12 Business Laptop Intel CORE 2 Duo 20GHZ WIFI $54.99 (1 Bid)
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New HTC 7 Surround 43 3G 16GB 1GHz 5MP 720P 38 GPS WIFI WINDOWS 7 SMARTPHONE
New HTC 7 Surround 43 3G 16GB 1GHz 5MP 720P 38 GPS WIFI WINDOWS 7 SMARTPHONE $153.16 (35 Bids)
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Lot of 100 Dell D630 Laptop Computer Core 2 Duo 18 GHz 2GB Ram WiFi Dvd Windows
Lot of 100 Dell D630 Laptop Computer Core 2 Duo 18 GHz 2GB Ram WiFi Dvd Windows $21,899.97
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Dell Latitude D600 Pentium M 160GHz 512 MB WiFi Good working
Dell Latitude D600 Pentium M 160GHz 512 MB WiFi Good working $58.99
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HP P6754Y AMD Quad Core 30Ghz 8GB DVD RW+DVD Rom HD1TB WIFI N 45 Day Warranty
HP P6754Y AMD Quad Core 30Ghz 8GB DVD RW+DVD Rom HD1TB WIFI N 45 Day Warranty $389.99
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24GHz 25GHz 5dBi Outdoor WiFi Base Station Wireless
24GHz 25GHz 5dBi Outdoor WiFi Base Station Wireless $1,299.95
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Dell Latitude E6500 Laptop P8800 266Ghz WiFi DVD Win 7 Notebook Warranty 4 13
Dell Latitude E6500 Laptop P8800 266Ghz WiFi DVD Win 7 Notebook Warranty 4 13 $210.00 (6 Bids)
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RP SMA 24GHz 20dBi WIFI Booster Wireless Antenna WLAN
RP SMA 24GHz 20dBi WIFI Booster Wireless Antenna WLAN $6.96
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IBM Lenovo X41 Intel Pentium M 16 GHz WiFi15 GB Memory
IBM Lenovo X41 Intel Pentium M  16 GHz WiFi15 GB Memory $89.99
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1GHz 7 Android 23 Touch Sceen Notebook Tablet MID WIFI Camera 4Gb US Seller
1GHz 7 Android 23 Touch Sceen Notebook Tablet MID WIFI Camera 4Gb US Seller $71.00 (10 Bids)
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IBM Lenovo X41 Intel Pentium M 16 GHz WiFi15 GB Memory WiFi Bluetooth
IBM Lenovo X41 Intel Pentium M  16 GHz WiFi15 GB Memory WiFi Bluetooth $75.99
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Dell Latitude D630 Laptop PC 2Ghz Core Duo 80Gb 1Gb XPPro DVD CDRW Combo WiFi
Dell Latitude D630 Laptop PC 2Ghz Core Duo 80Gb 1Gb XPPro DVD CDRW Combo WiFi $190.00
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Lot of 10 Dell D620 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows
Lot of 10 Dell D620 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows $1,939.97
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DELL Latitude XT Core 2 Duo 133GHz 80GB Wifi Tablet PC
DELL Latitude XT Core 2 Duo 133GHz 80GB Wifi Tablet PC $149.99
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IBM Lenovo Thinkpad A31 P4 16GHz 512MB 40GB DVD Win XP Pro WI FI LAPTOP NR1
IBM Lenovo Thinkpad A31 P4 16GHz 512MB 40GB DVD Win XP Pro WI FI LAPTOP NR1 $149.99
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Dell Latitude D620 Laptop Computer Dual Core 16 GHz 2Gb Ram WiFi Dvd Windows 7
Dell Latitude D620 Laptop Computer Dual Core 16 GHz 2Gb Ram WiFi Dvd Windows 7 $199.97
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New Style Android Tablet 1GHz Wifi Game Capacitive 7 4GB Tablet PC MID UMPC
New Style Android Tablet 1GHz Wifi Game Capacitive 7 4GB Tablet PC MID UMPC $49.99
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IBM ThinkPad T61 C2D 20GHz 4GB 80GB DVD Windows 7 Home Laptop Notebook Wi Fi Z
IBM ThinkPad T61 C2D 20GHz 4GB 80GB DVD Windows 7 Home Laptop Notebook Wi Fi Z $259.99
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Dell Latitude E6410 Core i5 24GHz 2048MB 320GB Windows 7 DVD RW Wi Fi Laptop Z
Dell Latitude E6410 Core i5 24GHz 2048MB 320GB Windows 7 DVD RW Wi Fi Laptop Z $614.99
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IBM ThinkPad T61 C2D 20GHz 4GB 320GB DVD Windows 7 Home Laptop Notebook Wi Fi Z
IBM ThinkPad T61 C2D 20GHz 4GB 320GB DVD Windows 7 Home Laptop Notebook Wi Fi Z $319.99
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Dell Latitude E6410 Core i5 24GHz 4096MB 320GB Windows 7 DVD RW Wi Fi Laptop Z
Dell Latitude E6410 Core i5 24GHz 4096MB 320GB Windows 7 DVD RW Wi Fi Laptop Z $629.99
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IBM ThinkPad T61 C2D 20GHz 2GB 80GB DVD Windows 7 Home Laptop Notebook Wi Fi Z
IBM ThinkPad T61 C2D 20GHz 2GB 80GB DVD Windows 7 Home Laptop Notebook Wi Fi Z $244.99
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IBM Thinkpad X40 Intel Pentium M 14 GHz WiFi 40 GB Hard Drive Good Working
IBM Thinkpad X40 Intel Pentium M 14 GHz WiFi 40 GB Hard Drive Good Working $99.99
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IBM Thinkpad X40 Intel Pentium M 14 GHz WiFi 40 GB Hard Drive Bluetooth
IBM Thinkpad X40 Intel Pentium M 14 GHz WiFi 40 GB Hard Drive Bluetooth $98.99
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Slim Wifi Camera 10GHz Android 23 4GB Capacitive Touch Screen 7 MID Tablet
Slim Wifi Camera 10GHz Android 23 4GB Capacitive Touch Screen 7 MID Tablet $45.99
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1 DELL LAPTOP LATiTUDE D620 18GHZ 2GB WINDOWS 7 CDRW DVD WiFi NOTEBOOK COMPUTER
1 DELL LAPTOP LATiTUDE D620 18GHZ 2GB WINDOWS 7 CDRW DVD WiFi NOTEBOOK COMPUTER $198.88
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Lenovo C200 160GHz 1GB 80GB DVD CD RW XP Pro WiFi B G Laptop Notebook PC Nice
Lenovo C200 160GHz 1GB 80GB DVD CD RW XP Pro WiFi B G Laptop Notebook PC Nice $159.99
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Dell Latitude D600 Pentium M 512 MB 140GHz WiFi Laptop Good working
Dell Latitude D600 Pentium M 512 MB 140GHz WiFi Laptop Good working $59.99
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Lot 50 Dell D630 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows 7
Lot 50 Dell D630 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows 7 $13,199.97
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Dell Latitude E6400 Laptop PC Intel Core 2 Duo 22Ghz 160GB WiFi Windows 7
Dell Latitude E6400 Laptop PC Intel Core 2 Duo 22Ghz 160GB WiFi Windows 7 $102.50 (27 Bids)
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Toshiba Satellite A665 S6070 Intel Core i7 720QM 16GHz 4GB 640GB WiFi Laptop PC
Toshiba Satellite A665 S6070 Intel Core i7 720QM 16GHz 4GB 640GB WiFi Laptop PC $535.00
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RP SMA 24 GHz 10dBi WIFI Booster Wireless Antenna WLAN
RP SMA 24 GHz 10dBi WIFI Booster Wireless Antenna WLAN $3.76
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DELL LAPTOP LATiTUDE D630 18GHZ 2GB 80G WINDOWS 7 DVDRW WiFi NOTEBOOK COMPUTER
DELL LAPTOP LATiTUDE D630 18GHZ 2GB 80G WINDOWS 7 DVDRW WiFi NOTEBOOK COMPUTER $185.88
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IBM Lenovo Thinkpad A31 P4 16GHz 1024MB 40GB DVD Win XP Pro WI FI LAPTOP NR1
IBM Lenovo Thinkpad A31 P4 16GHz 1024MB 40GB DVD Win XP Pro WI FI LAPTOP NR1 $154.99
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Toshiba Portege M750Tablet PC C2D 24Ghz 2GB 200GB DVDRW WI FI Webcam Grade A
Toshiba Portege M750Tablet PC C2D 24Ghz 2GB 200GB DVDRW WI FI Webcam Grade A $460.00
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Dell Latitude D620 Laptop Computer Core Duo 16 Ghz DVD 2 GB 60GB WiFi Windows 7
Dell Latitude D620 Laptop Computer Core Duo 16 Ghz DVD 2 GB 60GB WiFi Windows 7 $199.97
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WIFI WIRELESS PCMCIA CARD NEW A B G 24Ghz 80211g CAMEO TR2001 DELL HP IBM
WIFI WIRELESS PCMCIA CARD NEW A B G 24Ghz 80211g CAMEO TR2001 DELL HP IBM $6.95
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Dell Latitude D430 Laptop Core 2 Duo 12 ghz 2gb Ram w Wifi NO HARD DRIVE
Dell Latitude D430 Laptop Core 2 Duo 12 ghz 2gb Ram w Wifi NO HARD DRIVE $99.99
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IBM THINKPAD T40 PM 15Ghz 40GB CDRW DVD NOTEBOOK LAPTOP WiFi WIN XP MS OFFICE
IBM THINKPAD T40 PM 15Ghz 40GB CDRW DVD NOTEBOOK LAPTOP WiFi WIN XP MS OFFICE $119.99
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New HTC HD2 T8585 43 3G 1GHz 5MP GPS WIFI WINDOWS MOBILE 65 SMARTPHONE
New HTC HD2 T8585 43 3G 1GHz 5MP GPS WIFI WINDOWS MOBILE 65 SMARTPHONE $190.00 (26 Bids)
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NEW HTC Google Nexus One 5MP Android V21 37 1GHz GPS WIFI UNLOKCED SMARTPHONE
NEW HTC Google Nexus One 5MP Android V21 37 1GHz GPS WIFI UNLOKCED SMARTPHONE $155.10 (8 Bids)
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24GHz 10dBi Antenna Wireless WiFi Panel Patch RP SMA
24GHz 10dBi Antenna Wireless WiFi Panel Patch RP SMA $23.47
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SYLVANIA SYNET7LP 7 MINI TABLET WIFI ARM11 1GHZ 4GB MICRO SD SLOT ANDROID 22
SYLVANIA SYNET7LP 7 MINI TABLET WIFI ARM11 1GHZ 4GB MICRO SD SLOT ANDROID 22 $56.00 (31 Bids)
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Dell Precision M6300 Core 2 Duo 24GHz 2GB RAM 17Display 80GB HD WIFI Vista Biz
Dell Precision M6300 Core 2 Duo 24GHz 2GB RAM 17Display 80GB HD WIFI Vista Biz $317.00
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IBM ThinkPad R30 2656 133 P3 10GHz 256MB 30GB DVD ROM WIFI Laptop
IBM ThinkPad R30 2656 133 P3 10GHz 256MB 30GB DVD ROM WIFI Laptop $29.95 (1 Bid)
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IBM THINKPAD T30 PENTIUM4 20GHZ 1024M 40GB WiFi XP OFFICE EXCELLENT CONDITION
IBM THINKPAD T30 PENTIUM4 20GHZ 1024M 40GB WiFi XP OFFICE EXCELLENT CONDITION $182.50 (4 Bids)
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Dell OPLTIPLEX GX270 PC DESKTOP COMPUTER P4 28GHZ 1GB COMPLETE 17+LCD+ WIFI
Dell OPLTIPLEX GX270 PC DESKTOP COMPUTER P4 28GHZ 1GB COMPLETE 17+LCD+ WIFI $165.00
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Dell Latitude C640 P4 18GHz 512MB 30GB 14 WiFi CD RW laptop
Dell Latitude C640 P4 18GHz 512MB 30GB 14 WiFi CD RW laptop $110.00
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Dell Inspiron 8200 P4 16GHz 1GB 30GB DVD WiFi Laptop
Dell Inspiron 8200 P4 16GHz 1GB 30GB DVD WiFi Laptop $110.00
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IBM ThinkPad R61 Core 2 Duo 280GHz 4GB RAM WIFI 160GB HD Vista Biz
IBM ThinkPad R61 Core 2 Duo 280GHz 4GB RAM WIFI 160GB HD Vista Biz $350.00
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Lot of 5 Dell D630 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows
Lot of 5 Dell D630 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows $1,094.97
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Dell Latitude D830 Core 2 Duo 22GHz 4GB RAM 154WIFI BlueTooth Windows XP Pro
Dell Latitude D830 Core 2 Duo 22GHz 4GB RAM 154WIFI BlueTooth Windows XP Pro $300.00
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1 DELL INSPIRON 1100 LAPTOP 2GHZ 512MB 40GB WINDOWS XP NOTEBOOK WIFI COMPUTER
1 DELL INSPIRON 1100 LAPTOP 2GHZ 512MB 40GB WINDOWS XP NOTEBOOK WIFI COMPUTER $139.91
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24GHz 10 dBi Wireless WIFI Antenna Booster WLAN RP SMA
24GHz 10 dBi Wireless WIFI Antenna Booster WLAN RP SMA $3.89
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Lot of 3 WiFi Antennas Cisco 5GHz Cushcraft 25GHz
Lot of 3 WiFi Antennas Cisco 5GHz Cushcraft 25GHz $79.99
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DELL LAPTOP LATiTUDE D630 20GHZ 2GB WINDOWS 7 DVDRW DVD WiFi NOTEBOOK COMPUTER
DELL LAPTOP LATiTUDE D630 20GHZ 2GB WINDOWS 7 DVDRW DVD WiFi NOTEBOOK COMPUTER $199.99
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IBM ThinkPad T42 Centrino 17Ghz 1Gb WiFi 15 CD RW DVD Laptop
IBM ThinkPad T42 Centrino 17Ghz 1Gb WiFi 15 CD RW DVD Laptop $24.99
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24GHz Wireless Wi Fi PCI LAN Adapter Card 54M 80211g
24GHz Wireless Wi Fi PCI LAN Adapter Card 54M 80211g $23.31
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Verizon BlackBerry Torch 9850 No Contract 3G WiFi 12GHz Touch Global Smartphone
Verizon BlackBerry Torch 9850 No Contract 3G WiFi 12GHz Touch Global Smartphone $239.99
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Dell D620 Laptop Computer Dual Core 16 GHz 2 GB Ram 60gb WiFiDvd Windows 7
Dell D620 Laptop Computer Dual Core 16 GHz 2 GB Ram 60gb WiFiDvd Windows 7 $199.97
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Samsung Galaxy W I8150 14Ghz 37 LCD Wi Fi 3G Android 23 WHITE AttTmobile
Samsung Galaxy W I8150 14Ghz 37 LCD Wi Fi 3G Android 23 WHITE AttTmobile $313.98
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Dell Latitude D410 PentiumM 186Ghz 1Gb 121 WiFi Laptop
Dell Latitude D410 PentiumM 186Ghz 1Gb 121 WiFi Laptop $24.99 (1 Bid)
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Lot of 50 Dell D620 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows
Lot of 50 Dell D620 Laptop Computer Core 2 Duo 18 GHz 2 GB Ram WiFi Dvd Windows $9,699.97
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DELL LATiTUDE D630 Laptop 2GHZ 2GB WINDOWS XP 3 CDRW DVD WiFi NOTEBOOK COMPUTER
DELL LATiTUDE D630 Laptop 2GHZ 2GB WINDOWS XP 3 CDRW DVD WiFi NOTEBOOK COMPUTER $199.99
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Apple Powerbook G4 10GHz 512MB 60GB Wifi Notebook
Apple Powerbook G4 10GHz 512MB 60GB Wifi Notebook $89.99
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AMD FX 6100 33Ghz 4Gb DDR3 500Gb HDD WiFi Six Core System
AMD FX 6100 33Ghz 4Gb DDR3 500Gb HDD WiFi Six Core System $790.42
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Sandy Bridge Intel Core i3 2120 33Ghz 4Gb DDR3 WiFi CUSTOM SYSTEM
Sandy Bridge Intel Core i3 2120 33Ghz 4Gb DDR3 WiFi CUSTOM SYSTEM $585.95
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BRAND NEW 7 Android 23 Tablet PC W 1GHz CPU 8GB WIFI Camera 32GB SD Slot
BRAND NEW 7 Android 23 Tablet PC W 1GHz CPU 8GB WIFI Camera 32GB SD Slot $94.94
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Super Thin 7 Android 40 Tablet PC 15GHz CPU 8GB Ram 1GB WIFI Camera HDMI
Super Thin 7 Android 40 Tablet PC 15GHz CPU 8GB Ram 1GB WIFI Camera HDMI $129.95
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Does bluetooth emit less radiation than wifi?

They are both using 2.4 GHz frequency rate. While wifi works in a wider range, bluetooth's range is not that wide. So, can we say bluetooth emit less radiation than wifi?

Bluetooth devices are perhaps the safest way to use a cellular phone. The transmitter operates at a small fraction of the power of a typical phone; thus signifcantly reducing your RF exposure. devices are perhaps the safest way to use a cellular phone. The transmitter operates at a small fraction of the power of a typical phone; thus signifcantly reducing your RF exposure.

If you must use the phone only, I recommend a CDMA-based technology. CDMA spreads the RF over a wide channel, which makes it much safer for the user. And these devices typically transmit at an average lower power.

Narrowband technologies, such as GSM, must use more power to overcome common issues such as interference and multipath. And the very nature of narrowband contributes to increased tissue heating over wideband technologies

Avoid wired headsets. Since the headset is plugged into the same PCB as the transmitter, RF runs along the headset wire directly into your ear, thus increasing your exposure.

What Can Wimax Technology Offer?

WiMAX technology offers wireless data in a related form as compare to WiFi but its level and speed allow to build hybrid and wireless networks, of any size, anywhere. It is formed to encourage conformance and interoperability of Wireless Metropolitan Area Network. WiMAX offers a consistent technology according to its standard. WiMAX technology open could let product manufacturers make revenues of scale via producing number of WiMAX products & components to single IEEE 802.16 standard, this also allow component manufacturers buy low-cost, standards compliant components from rival component providers. This would definitely help existing wireless service providers.

WiMAX technology will offer high data speed network connections and in this manner serve as a backhaul for WiFi LAN (WLAN) hot spots, where people on the move can access carriers' WiFi services on mobile technology basis, because this technology allows interoperability among different systems. And service providers lacking a mobile network can use a WiMAX technology network at comparatively low price. WiMAX technology possibly will offer a much cheaper, easier to build network infrastructure other than the physical medium of WiFi backhauls that cable, T1 or DSL systems presently offer.

Because WiMAX is based on IEEE 802.16 Standard and HiperMAN, the IEEE and ETSI have each become accustomed it's standard to take in many of the other's essential characteristics. IEEE 802.16 standard partitioned its MAC (Medium Access Control) layer into sub-layers that hold some different transport equipments and technologies, together with Ethernet, IPv4, IPv6 and other asynchronous transfer mode. This allows traders to use WiMAX technology and no matter what technology they support for transmission. WiMAX technology has a wide communication range up to 50 kilometers because principles allows WiMAX network to transfer data at higher rates and because of this move towards use of directional antennas that generates persistent radio signals. WiMAX base station provide service to only 500 users at a time not more than that just because to they are sharing bandwidthand this factor may cause lower date rates among. Technically every single station will possibly provide communication an area inside a 10 miles radius. To compare WiFi with WiMAX technology the last has a range of few thousand feet. while WiFi  has a range of only a few hundred feet.

Moreover  WiMAX network broadcasts data communication over several broad signal frequency ranges. And this exceptional capacity to work in several ranges allows to communicate above the frequencies that will evade  interference with other wireless network applications. Also the  flexibility of this system's communication allows providers to employ different frequencies that depend on the speed and range needed for a particular data communication. Amplifying data capacity and bandwidth via dividing broad capacity channels to many narrowband channels, the WiMAX technology attains  higher data transmission rates in part by OFDM (Orthogonal Frequency Division Multiplexing).Every channel uses different frequencies that can transmit different pieces of a message at the same time.

One of the important advantages of data transmission is that the channels do not overlap, in spite of the fact that the spaces between channels are extremely close. The primary IEEE 802.16 standard uses the 10 to 66 GHz frequency range And it is very suitable because this frequency range shrinks the multi path distortion that arises when transmitting signals that do not follow the line of sight echoed items and finish off out of sink, thus jumbling the inbound communication and reducing bandwidth.

In theory WiMAX network can offer single channel data rates up to 75 Mbits/s equally on the downlink and uplink. Service providers can use several 802.16 channels for single broadcast to offer bandwidths of up to 350 Mb per second.

Third generation mobile network technologies will support around 115 Kbps. The accepted IEEE 802.11b WiFi WLAN technology data rate are limited to 11Mbps, on the other hand newer 802.11a and 802.11g provide up to 54Mbps in favorable conditions but practically all of the them transmit at lesser speed.

In the meantime WiMAX network is extremely scalable as it is simple to include broadcast channels to offer extra bandwidth as required. And as far as security is concerned in WiMAX technology it uses PKI (Public Key Infrastructure) authentication, which transmit via digital certificates by identifying parties over trusted authorities. The IEEE 802.16 system encrypts data by using 56 bit DES (Data Encryption Standard) keys.

The wireless services are supplied at higher frequencies as the line of sight constraints required the setting up of many antennas to cover up the equivalent area and this increases to a great extent the expenditure of setting up wireless technology. The available frequencies for new wireless standards such as IEEE 802.16 are higher as some of the other wireless technologies are more sought-after to diminish ranges that have been approved for other use.

The WiMAX technology is always supported by the WiMAX Forum which comprises a group of commercial leaders such as AT&T, Cisco, Samsung, Intel, and some other giants. This forum involves many working groups that highly focused on regulatory, marketing, technological characteristics. Moreover the certification working group intends to certify interoperability among WiMAX products from manufacturers internationally

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