Logitech FAQ Resource Central

Wireless Logitech keyboards that have up to 6 feet of range (27MHz):

Logitech Cordless Desktop Wave
Logitech Cordless Desktop EX90
Logitech Cordless Desktop EX100
Logitech Cordless Desktop EX110
Logitech Cordless Desktop LX300
Logitech Cordless Desktop LX310
Logitech Cordless Desktop LX500
Logitech Cordless Desktop LX501
Logitech Cordless Desktop LX700
Logitech Cordless Desktop Express
Logitech Cordless Desktop S530 for Mac
Logitech Cordless Desktop S510
Logitech Cordless Desktop MX3200 Laser
Logitech Cordless Desktop Comfort Laser (Split Keyboard)
Logitech Cordless Desktop Music System (Deluxe Cordless Keyboard)
Logitech Navigator Trio (Cordless Access Keyboard)
Logitech Navigator Duo SE (Cordless Access Keyboard)
Logitech Express Trio (Cordless Desktop Express Keyboard)
Logitech Cordless Desktop iTouch
Logitech Cordless iTouch Keyboard
Logitech Cordless Desktop Pro (Split keys)
Logitech Cordless Freedom
Logitech Cordless Freedom Optical
Logitech Cordless Freedom Navigator
Logitech Cordless Freedom iTouch
Logitech Cordless Freedom Pro (Cordless iTouch Pro Keyboard + Split Keys)
Logitech Cordless Comfort Duo (Split keyboard)
Logitech Cordless Elite Duo
Logitech Cordless Navigator Duo
Logitech Cordless Navigator Duo SE
Logitech Cordless Access Duo Optical
Logitech diNovo Cordless Desktop
Logitech Cordless Desktop SE
Logitech Cordless Desktop MX3000 Laser
Logitech V250 Cordless Mouse and Number Pad Kit for Notebooks
Logitech EasyCall Desktop or Cordless Desktop LX715 Laser
Logitech Alto Cordless Notebook Stand
Logitech Cordless Number Pad for Notebooks


Wireless Logitech keyboards that have up to 30 feet of range (2.4GHz):
Logitech Cordless Desktop MX5000 Laser (BT 2.0)
Logitech Cordless Desktop MX5500 Revolution (BT 2.0)
Logitech diNovo Mini (BT 2.0)
Logitech diNovo Media Desktop Laser (BT 2.0)
Logitech diNovo Edge (BT 2.0)
Logitech diNovo Edge Mac Edition (BT 2.0)
Logitech Cordless Desktop MX for Bluetooth (BT 1.1)
Logitech diNovo Media Desktop (BT 1.1)
Logitech Desktop Wave Pro