Kestrel 4000 Series Interface-Serial Port Stock # - KES0804SER Cord length: 6-foot Computer Requirements: Compatibility: PC Connectivity: Serial Port (Com 1-4) Operating System: Windows 3.1 or Higher Memory: 4MB Hard Disk Space: 1.4MB	$69.95 More Details »
		Kestrel 4000 Series Interface-USB Port Stock # - KES0804USB Cord length: 6-foot	$96.95 More Details »
		Kestrel Kensington USB Bluetooth Dongle Stock # - KES0790 Works with most Bluetooth enabled devices (v1.1, v1.2 , v2.0 and v2.1 devices) Bluetooth 2.0 + EDR (Enhanced Data Rate - up to 3Mbps), Class 2 PC Compatibility: Computer running Windows 7, Windows Vista or Windows XP (Service Pack 2), or, available USB 2.0 or 1.1 port Dimensions: 0.75" x 0.19" x 0.55"	$29.95 More Details »
		Kestrel Replacement Impeller Stock # - KES0801 Fits the Kestrel 4100, Kestrel 4000, Kestrel 3500, Kestrel 3000, Kestrel 2500, Kestrel 2000, Kestrel 1000	$16.95 More Details »
		Kestrel RH Calibration Kit Stock # - KES0802 For use with: Kestrel 4500, Kestrel 4200, Kestrel 4100, Kestrel 4000, Kestrel 3500, and Kestrel 3000	$79.95 More Details »
		Kestrel Silva Starter 1-2-3 Compass Stock # - KES0808	$14.95 More Details »