Uniden UM-525 manual Specifications

Models: UM-525

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Specifications

General

 

Channels

 

Transmit

56

Receive

82 Marine/10 Weather

Channel Display

LCD with orange backlight

Dimensions (HWD)

4.4 x 6.6 x 5.2 in.(110 x 165 x 131.2 mm)

Weight

45.88 oz (1.3 kg)

Supply Voltage

13.8V DC negative ground

Standard Accessories

Mounting bracket and hardware, DC power cord,

 

microphone hanger, spare fuse, GPS external cable, hailer cable

Antenna Impedance

50 Ohm nominal

Microphone

2 kOhm condenser mic element with coiled cord

Speaker

1.82 in., Mylar cone 8 Ohm

Operating Temperature

-4° to 122° F (-20° to 50 °C)

Shock and Vibration

Meets or exceeds EIA standards, RS152B and RS204C

FCC Approvals

Type accepted under Part 80 of FCC Rules;

 

meets Great Lakes Agreement and party boat requirements

Transmitter

 

Power Output

1 watt or 25 watts (selectable)

Power Requirement (Output)

 

1W

Not rated

25W

5.6A at 13.8V DC

Modulation

FM ±5 kHz deviation (FCC designator F3E)

Signal-to-Noise Ratio .. 45 dB @ 1 kHz with 3 kHz deviation with 1000 Hz modulating frequency (nominal)

Audio Distortion

Less than 8% with 3 kHz deviation with 1000 Hz modulating frequency

Spurious Suppression

25 dBm @ Hi, -29 dBm @ Lo

Output Power Stabilization

Built-in automatic level control (ALC)

Frequency Range

156 to 158 MHz

Frequency Stability

±5 ppm @ -20°C to + 50°C

Receiver

Frequency Range

156 to 163 MHz

Sensitivity

0.25 V for 12 dB SINAD

Circuit

Dual Conversion Super Heterodyne PLL

Squelch Sensitivity

0.5 V Threshold

Spurious Response

65 dB

Adjacent Channel Selectivity

65 dB @ ±25 kHz

Audio Output Power

2.8 watts (10% Distortion)

Power Requirement

200 mA @ 13.8V DC squelched, 0.7A @ 13.8V DC at maximum audio output

IF Frequencies

1st 21.4 MHz, 2nd -455 kHz

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Specifications

 

Page 42
Image 42
Uniden UM-525 manual Specifications