8-20
Model Chart and Test Specifications
Transmitter
Specification
VHF/UHF
Frequency Stability:
(-25°C to +55°C, +25° Ref.)
±2.5 ppm
Power:
VHF: 1-5W
UHF: 1-4W
Modulation Limiting:
±2.5 @ 12.5 kHz
±4.0 @ 20 kHz
±5.0 @ 25 kHz
FM Hum & Noise:
-40 dB typical
Conducted/Radiated Emission:
-66 dBw
Adjacent Channel Power:
-60 dB @ 12.5 kHz
-70 dB @ 20/25 kHz
Audio Response: (300 - 3000 Hz)
+1 to -3 dB
Audio Distortion:
3%
Receiver
Specification
VHF/UHF
Frequency Stability:
(-25°C to +55°C, +25° Ref.)
±2.5 ppm
Sensitivity (12 dB SINAD) EIA:
Sensitivity (20 dB SINAD) ETS:
.25 µV typical
.50 µV typical
Intermodulation EIA:
70 dB
Adjacent Channel Selectivity:
60 dB @ 12.5 kHz / 70 dB @ 20/25 kHz
Spurious Rejection:
70 dB
Rated Audio:
0.5W
Audio Distortion @ Rated Audio:
3% typical
Hum & Noise:
-45 dB @ 12.5 kHz
-50 dB @ 20/25 kHz
Audio Response: (300 - 3000 Hz)
+1 to -3 dB
Conducted Spurious Emission per FCC Part 15:
-57 dBm <1 GHz
-47 dBm >1 GHz
Specifications subject to change without notice. All electrical specifications and methods refer to EIA/TIA 603 standards. Professional Series radios meet
or exceed requirements of MIL STD 810 C, D, E.
Summary of Contents for HT1250
Page 8: ...viii ...
Page 10: ...x Notes ...
Page 12: ...xii Notes ...
Page 20: ...2 4 Intrinsically Safe Radio Information Notes ...
Page 34: ...3 14 Maintenance Notes ...
Page 60: ...6 4 Power Up Self Test Notes ...
Page 66: ...7 6 Accessories Notes ...
Page 94: ...Glossary 4 Notes ...
Page 95: ......