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Uniden
UM435BK — fixed mount radios from Uniden.
Technical
| Controls | Volume-Pwr, Squelch |
|---|---|
| Status Indicators | Transmit power, Scan mode, Triple Watch mode, Battery High, Battery low, USA, CAN, INT, Alert, Memory, GPS, Message, Weather band, GPS status and Channel Display |
| Display | LCD (Full Dot Matrix) |
| Buttons | ENT-1W/25W, Channel UP, Channel DOWN, CALL-MENU, WX-MEM, CLR-SCAN, 16/9-TRI, and DISTRESS |
| Connectors and Cables | Antenna, accessory, and DC power |
| Size | H 75 mm x W 167 mm x L 129 mm (without Heat Sink) / H 2.95 in x W 6.58 in x L 5.08 in |
| Weight | 1.0 kg (2.2 pounds) |
| Supply Voltage | Nominal 13.8V DC, negative ground (10.5 VDC to 16.0 VDC) |
| Standard Accessories | Mounting bracket and hardware, microphone hanger |
| Antenna Impedance | 50 Ω nominal |
| Microphone | Rugged 2 kΩ condenser mic element with coiled cord |
| Speaker | 1.77 inch, 8 Ω |
| Operating Temperature Range | -20°C to +50°C (-4°F to +122°F) |
| Shock and Vibration | Meets or exceeds EIA standards, RS152B and RS204C |
| FCC Approvals | Type accepted under part 80 of the Rules; meets Great Lakes Agreement and party boat requirements |
| Transmitter Power Output | 1 watt or 25 watt (user selectable) |
| Transmitter Power Requirement | 25 watts output: 6A@13.8V DC |
| Modulation | ±5 kHz deviation |
| Hum and Noise Signal-to-Noise | 50 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 | -45 dBm @ Hi, -55 dBm @ Lo |
| Output Power Stabilization | Built-in automatic level control (ALC) |
| Transmitter Frequency Range | 156 to 163 MHz |
| Frequency Stability | ±10 ppm @ -20°C to +50°C |
| Receiver Frequency Range | 156 to 163 MHz |
| Receiver Sensitivity | 0.25 μV for 12 dB SINAD (nominal) |
| Receiver Circuit | Dual Conversion Super Heterodyne PLL (Crystal for DSC) |
| Squelch Sensitivity | 0.2 μV Threshold |
| Spurious Response | 75 dB (nominal) |
| Adjacent Channel Selectivity | 70 dB @ ±25 kHz (nominal) |
| Audio Output Power | 2.5 watts (10% Distortion, 8 Ω load) |
| Receiver Power Requirement | 360 mA @ 13.8V DC at squelched, 920 mA @ 13.8V DC at maximum audio output |
| IF Frequencies | 1st 41.925 MHz, 2nd 455 kHz (1st 21.7 MHz, 2nd 455 kHz for DSC) |
Overview
UM435BK — fixed mount radios from Uniden.
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