Casio DT-X5 Frequency range 400 to 2,483.5 MHz, Lithium-ion battery pack, Memory backup, Charged

Input
	Keyboard	Cursor up-and-down key, L and R keys, Ten
		keys (0 to 9), Fn key, Multi key, Function keys
		(F1 to F8)
	Control keys	Power key, Reset switch
	Trigger keys	2 pcs (on the left and right sides)
IrDA
	Standard	IrDAVersion 1.1
	Method	Half-duplex
	Synchronization	Start/stop, frame synchronization
	Baud rate	9600, 115200, 4 Mbps
	Comm. range	0 (contact) to 0.3 m
WLAN
	Standard	IEEE802.11b
	Modulation	Direct sequence spread spectrum	“DSSS”
	Frequency range	2,400 to 2,483.5 MHz	For DT-X5M10R, DT-X5M30R
	Baud rate	11 Mbps (maximum)
	Comm. range	150 m (outdoor), 50 m (indoor)	Note 1
	No. of channels	11 for FCC, 13 for ETSI
	Output power	Minimum 12.5 dBm
		Maximum 16.0 dBm
	Other feature	Roaming with multipleAccess-Points
Bluetooth
	Standard	Bluetooth Version 1.1
	Comm. range	Approx. 5 m	Note 1
	Output power	Maximum 3 dBm (PowerClass 2)
	Wake-up function	Available
Buzzer
	Sound pressure	75 dB or more
Vibrator
		Available
Power
	Operating battery	Lithium-ion battery pack x 1 pc or	See Table 2.2.
		AA-size alkaline battery x 2 pcs
	Memory backup battery	Lithium battery (rechargeable) on board
	Battery life	See Table 2.2.
	Battery capacity	HA-A20BAT: 1,700 mAH
		DT-5025LBAT: 3,400 mAH
	Backup period	Power withAA-sizeAlkaline battery	Conditions;
	(Operating battery and	RAM:Approx. 120 days	- Lithium-ion battery pack
	memory backup	RTC :Approx. 145 days	(HA-A20BAT or
	battery)	Power with HA-A20BAT	DT-5025LBAT) is fully
		RAM:Approx. 100 days	charged.
		RTC :Approx. 125 days	- AA-sized alkaline batteries
		Power with DT-5025LBAT	are brand new.
		RAM:Approx. 175 days	- The memory backup battery
		RTC :Approx. 200 days	is fully charged.
			- The surrounding temperature
			is room temperature.
			Note 2
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