Transmitter, Receiver, Selcall – Uniden UH-057 User Manual
Page 42
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Transmitter
Power Output
HI
LOW
Modulation
Frequency Tolerance
at 25'’C
Mic. Sensitivity
at ±3kHz Dev.
Hum and Noise
(300Hz, 3kHz BPF)
(750^3 DeEmp}
Modulation Frequency Response
at 1kHz +1kHz Dev.
4W (nominal), 5W (max.)
1W (nominal)
F3E, ±5kHz Deviation
±300 Hz (nominal)
4.5mV (nominal)
40dB
500Hz
2000Hz
Current Drain
at HIGH Power
: -6dB
: +7dB
; 1800mA
Receiver
Sensitivity
at12dBSlNAD
Squelch Sensitivity
: 0.35fi V (nominal)
: 0.20fi V (nominal)
(Auto-squelch: ON)
Audio-Frequency
Response (ref: 1kHz, ±3kHz Dev.)
500Hz
: +6dB
2000Hz
: -7dB
Total Harmonic Distortion
at Standard AF Output
(50mW at 4 ohm Load)
: 3%
Hum and Noise
: 40dB
Adjacent Channel
Selectivity
at ±25kHz
: 60dB
Image Rejection Ratio
: 45dB
IF Rejection Ratio
: 55dB
Current Drain
Max Volume
: 250mA
Squelched
: 50mA
SELCALL
Standard
Encode/Decode Format
Transmit Tones
Receive Tones
Tone Periods
Lead-In Delay
Lead-In Tone
: CCIR International
5 or 6 Tones
0-9, A-D, F
0-9, A-D, F
20, 40, 70, 100 mSec
500 mSec, 1,2, 3, 4, Sec
0-9, A-F
UH-057
Page 40