Motorola HT750, HT1250, HT1250 LS, HT1550 XLS, TM HT1250 specifications HT750 and HT1250

HT750 and HT1250

Specifications

General Specifications

	Low Band		VHF	UHF
HT750 Channel Capacity			4 or 16
HT1250 Channel Capacity			128
Power Supply		Rechargeable battery 7.5V
Dimensions: H x W x D
With NiMH High Capacity Battery	5.40 in x 2.26 in x 1.50 in (137mm x 57.5mm x 37.5 mm)
With impres NiMH Battery	5.40 in x 2.26 in x 1.60 in (137mm x 57.5mm x 40 mm)
With impres NiMH FM Battery	5.40 in x 2.26 in x 1.60 in (137mm x 57.5mm x 40 mm)
With impres Li-ion Battery	5.40 in x 2.26 in x 1.30 in (137mm x 57.5mm x 40 mm)
Weight:
With NiMH High Capacity Battery			15.0 oz. (420g)
With impres NiMH Battery			17.5 oz. (488g)
With impres NiMH FM Battery			17.5 oz. (488g)
With impres Li-ion Battery			12.8 oz. (358g)
Average Battery Life @ 5/5/90 Duty Cycle*:	Low	High	Low	High
	Power	Power	Power	Power
With NiMH High Capacity Battery	11 hrs	8 hrs	11 hrs	8 hrs
With impres NiMH Battery	17 hrs	11 hrs	17 hrs	13 hrs
With impres NiMH FM Battery	16 hrs	10 hrs	16 hrs	13 hrs
With impres Li-ion Battery	18 hrs	11 hrs	18 hrs	14 hrs
FCC description	AZ489FT3794 (136-174 MHz)
	AZ489FT4826 (403-470 MHz), AZ489FT4834 (450-512 MHz)
	AZ489FT1625 (29.7-42 MHz, 42-50 MHz)

Transmitter

Specifications	Low Band	VHF		UHF
Frequencies	29.7–42 MHz	136–174 MHz		403–470 MHz
	35–50 MHz			450– 512 MHz
Power Output	1–6 W	1–5 W		1–4 W
Frequency Stability	±10 ppm		±5 ppm @ 25 kHz
(-30° C to +60° C, +25° Ref.)		±2.5 ppm @ 12.5 kHz
Modulation Limiting	+ 5.0 @ 20 kHz	±2.5 @ 12.5 kHz/±4.0 @ 20 kHz/
			+5.0 @ 25 kHz
Spurs/Harmonics		- 36 dBm < 1 GHz
		- 30 dBm > 1 GHz
Channel Spacing	20/25 kHz		12.5/20/25 kHz
FM Hum & Noise		-40 dB typical
Adjacent Channel Power	- 60 dB @ 12.5, - 70 dB @ 25 kHz
Audio Response (300 – 3000 Hz)		+1 to - 3 dB
Audio Distortion		3%
FM Modulation	25 kHz	12.5 kHz	25/30 kHz	12.5 kHz	25 kHz
	16KOF3E	11KOF3E	16KOF3E	11KOF3E	16KOF3E

	Environmental Specifications
Operating Temperature		- 30 to +60° C
Storage Temperature		- 55 to +85° C
Humidity		95% RH @ 8 Hr.
ESD		IEC 801-2 KV
Water Intrusion		IP54

Receiver

Specifications	Low Band	VHF	UHF
Frequencies	29.7– 42 MHz	136–174 MHz	403– 470 MHz
	35– 50 MHz		450– 512 MHz
Hum and Noise	-45 dB @ 20/25 kHz	-45 dB @ 12.5 kHz, -50 db @ 25 kHz
Sensitivity (12 dB SINAD) EIA	.30 µV	.25 µV
Sensitivity (20 dB SINAD) ETS		.50 µV
HT750 Channel Spacing	20/25 kHz	12.5/20/25 kHz
HT1250 Channel Spacing	20/25 kHz	12.5/15/20/25/30 kHz
		PLL Steps 2.5, 3.125 kHz
Intermodulation		70 dB
Adjacent Channel Selectivity	60 dB @ 12.5 kHz/70 dB @ 25 kHz
Spurious Rejection		70 dB
Rated Audio		0.5 W
Audio Distortion @ Rated Audio		3% typical
Audio Response (300 – 3000 Hz)		+1 to -3 dB
Conducted Spurious Emission		-57 dBm < 1 GHz
FCC Part 15		-47 dBm > 1 GHz

Portable Military Standards 810 C, D, & E

Applicable MIL-STD	810C		810D		810E
	Methods	Procedures	Methods	Procedures	Methods	Procedures
Low Pressure	500.1	1	500.2	2	500.3	2
High Temperature	501.1	1,2	501.2	1,2	501.3	1,2
Low Temperature	502.1	2	502.2	1,2	502.3	1,2
Temperature Shock	503.1	1	503.2	1	503.3	1
Solar Radiation	505.1	1	505.2	1	505.3	1
Rain	506.1	1,2	506.2	1,2	506.3	1,2
Humidity	507.1	2	507.2	2,3	507.3	2,3
Salt Fog	509.1	1	509.2	1	509.3	1
Dust	510.1	1	510.2	1	510.3	1
Vibration	514.2	8,10	514.3	1	514.4	1
Shock	516.2	1,2,5	516.3	1,4	516.4	1,4

Factory Mutual Approvals

The HT Series is Factory Mutual approved and Canadian Standard Association approved as intrinsically safe for use in Classes I, II, and III, Division 1, Groups C, D, E, F and G, as well as non-incendive use in Class I, Division 2, Groups A, B, C and D on models ordered with the Factory Mutual option, and battery.

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