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General
Channels : 40
Microphone : 600 ohm,
Dynamic Type
Speaker : 8 ohm, 3w
Antenna Connector : M -Type
Jacks & Connectors : EXT SP 3.5mm
Operating Temperature : 0 to + 55 C
Power Requirements : 13.8 VDC Nominal
Antenna Impedence : 50 ohms
Transmitter (FM)
Frequency Tolerance at 25 C
(5 minutes after turning on) : +/- .5 kHz
carrier Power : 5W (max)
Spurious Emission : -40 dBm
Current Drain : 1.5 Amps
Modulation Frequency Response
(1 kHz, 0 dB reference at 1 kHz deviation)
Lower at 500 Hz : -6dB
Upper at 2.0 kHz : +5 dB
Microphone Sensitivity for
3 kHz Deviation : 5mV
Maximum Deviation
at 1 kHz : +/- 4.5 kHz
at 6 kHz : +/-1.5 kHz (max)
Receiver (FM)
Sensitivity at 12dB SINAD : 0.23 uV or better
Overall Audio Fidelity
(1 Khz, 0 dB reference)
Lower at 500 Hz : +5 dB
Upper at 2 kHz : -7 dB
NOTE: This List is for FM Channels ONLY. FM Channels 05, 11 and 35 are not CTCSS programmable.
Tone
No.
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
23
OFF
67.0
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
Tone
Frequency (Hz)
Tone
No.
Tone
Frequency (Hz)
Tone
No.
Tone
Frequency (Hz)
00 (’oF’)
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
162.2
167.9
173.8
179.9
186.2
192.8
203.5
210.7
218.1
225.7
233.6
241.8
250.3
UNIDEN Model UH-090 Dual Band CB Radio (FM & AM)
CTCSS Tone List for FM Mode
Specifications
13
Receiver (FM) - cont’d
Adjacent Ch Selectivity (+/-25 kHz): 64dB
Max. Audio Output Power : 3W
Audio Output Power at 10% HD : 3W
Hum and Noise Ratio at Input 1 mV: 45 dB
Squelch Sensitivity at Threshold : 0.19 uV
Squelch Sensitivity at Tight : 1 uV
Image Rejection Ratio : 60 dB
IF Rejection Ratio : 85 dB
Oscillator Dropout Voltage : 9V
Current Drain at NO Signal : 350mA
Current Drain at Max. Output : 730 mA
Transmitter (AM)
Power Output : Max. Legal Output
Power
Modulation : Class B
( Amplitude
Modulation)
Receiver (AM)
Sensitivity : 0.5 uV for 10dB;(S
+ N) /N typical
Selectivity : 6dB @ 7KHz, 55dB
@ 10KHz typical
Image Rejection : 65 dB typical
Automatic Gain Control : (AGC) - less than
10dB change in
audio output for
input from 10 to
50,000 microunits
Squelch : Adjustable;
threshold less than
0.5 uV