Uniden MHS450 owner manual Specifications, Pll

Specifications

General	Transmit	54 US/International/Canada
Channels
	Receive	89 US/International/Canada
Freq. Control	Weather	10
	Transmit	PLL
Freq. Tol.		1.5 PPM (at 25°C)
Oper. Temp.	Receive	1.5 PPM (at 25°C)
		-4°F (-20°C) to
Antenna		+122°F(+50°C)
		Flexible Whip
Microphone		Built-in Electret type
Display		Liquid Crystal Display
Speaker		8Ω 0.7 Watt
Power Source		Rechargeable Lithium Ion Battery Pack
Size (without antenna)		7.4V 1400 mAh
		4.4 (H) x 2.6 (W) x 1.4 (D) inch
Weight (w/battery & antenna)		111 (H) x 65 (W) x 34 (D) mm
		11.9 oz (340g)
Transmitter		156~158 MHz
Frequency Range
Frequency Stability		±10 PPM
Power Output		1.0 W & 2.5W & 5W (Lithium Ion)
		1.0W & 2.5W (Alkaline)
Spurious Emissions		70 dBc (5W)
Current Drain		1400mA (5W)
Receiver		Double Conversion Super
Receiver Type
		Heterodyne Phase
Frequency Range		Locked Loop system for Local Oscillator
		156~164 MHz
Sensitivity		0.2 µV for 12dB SINAD
Squelch Sensitivity		Threshold 0.1µV
Audio		±6 dB 500 to 2000Hz
Frequency Response		70 dB @ ±25 kHz
Adjacent Channel
Selectivity		40 dB
Hum & Noise Ratio
Audio Output Power	Squelched	0.4 W @ 10 % THD
Current Drain		60mA
	Max. Audio	210mA

Specifications shown are typical and subject to change without notice.

42 Uniden MHS450 Radio Owner’s Manual