Wireless connection from Cellphone ot PC

Hi,
anybody has any idea which cellphone has seamless wireless connectivity optiosn to the PC or laptop for communication and internet purpose?

– is it thru’ wifi, wlan and/or bluetooth
– which has better data transfer speed?
– ease of setup and connectivity
– security password authentication?
– do you need any software download?

Thanks for the info.
ongtitus@yahoo.com