Pn40:Comparison Chart

Comparison Chart Between the PN-20 and PN-40

Feature	PN-40	PN-30	PN-20	Oregon 400t
GPS Chipset	32 Channel ST Cartesio	32 Channel ST Cartesio	12 Channel ST Microelectronics	32 Channel ST Cartesio STA2062
High Speed Processor	X	X		X
Antenna Type	Patch	Patch	Patch	Patch
Dual-core processor	X	X
On-Board memory	500mb, 7.5GB(SE)	500mb	75mb	4GB (1.1GB free)
3-axis electronic compass	X			2 axis
Barometric Altimeter	X			X
Place data onto SD card while in the receiver	X	X
Topo USA 7.0 software included	X	X	X
Displays aerial imagery	X	X	X
Displays 7.5-minute USGS Quads	X	X	X
Displays NOAA nautical charts	X	X	X
WAAS	X	X	X	X
Tracks (PN-xx 10,000 points per track)	10	10	10	20
Waypoints	1000	1000	1000	1000
Routes	50	50	50	50
IPX-7 Waterproof Standard	X	X	X	X
Supports SDHC cards	X	X	X	(microSD)
World Basemaps included	X	X	X	X
Sun and Moon Data	X	X	X	X
Calendar				X
Calculator				X
Alarm Clock				X
Stop Watch				X
Tide Data	X	X	X
Hunting and Fishing Times	X	X	X	X
Display	2.2" (220x176)	2.2" (220x176)	2.2" (220x176)	3" (240x400) Touch
Batteries	2 AA	2 AA	2 AA	2 AA
Wireless				X
NMEA I/O				X