UM455
The UM455VHF allows you to boost the transmission power from 1 watt to 25 watts for maximum transmission distance. The Extra Large LCD Display and Keypad is backlit for easy viewing at night or in low light situations. The microphone and controls are made out of non slip rubberised material making it comfortable and secure to handle. Includes a Mounting Bracket, Flush Mount Bracket & Mic Holder.
Features:
- VHF Marine In-Boat Radio
- Submersible Speaker Microphone
- Rugged Splashproof Housing
- DSC (Digital Selective Calling)
- GPS Input/Output
- Dual Speakers
- Full Dot Matrix LCD Display
- 1W/25W Transmitter Power Level Select
- Variable Squelch Level Knob
- Volume Control Knob
- Intuitive Menu
- Triple Watch Mode
- One-Touch Channel 16/67
- Programmable Memory & Scan
- International Channels
- Backlit Keys and Display
- Battery Level Display & Tone
- Designed and Engineered in Japan
- Built for Rugged Australian and New Zealand Marine Conditions
- 2 Year Warranty
General
- Controls: Volume-Pwr, Squelch
- Status Indicators: Transmit power, Scan mode, Triple Watch mode, Battery High, Battery low, USA, CAN, INT, 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, 16/67-TRI, DISTRESS, and SCAN/MEM
- Connectors and Cables: Antenna, accessory, and DC power
- Dimensions H 75mm x W 167mm x L 129mm (without Heat Sink)
- Weight: 1.0 kg
- Supply Voltage: Nominal 13.8V DC, negative ground (10.8 VDC to 15.6 VDC)
- Standard Accessories: Mounting Bracket and hardware, microphone hanger
- Antenna Impedance: 50 O nominal
- Microphone: Rugged 2 kO condenser mic element with coiled cord
- Speaker: 1.77 inch, 8 O
- Operating Temperature: Range –15 °C to + 55 °C
- 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)
- Power Requirement: 25 watts output: 6A@13.8V DC
- Modulation: ±5 kHz deviation
General
- Hum and Noise Signal-to Noise: 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: –45 dBm @ Hi, –55 dBm @ Lo
- Output Power Stabilization: Built-in automatic level control (ALC)
- Frequency Range: 156 to 158 MHz
- Frequency Stability: ±1.5kHz @ –15°C to + 55°C
Receiver
- Frequency Range: 156 to 163 MHz
- Sensitivity: 0.25 µV for 12 dB SINAD (nominal)
- Circuit: Dual Conversion Super Heterodyne PLL (Crystal for DSC)
- Squelch Sensitivity: 0.2 µV Threshold
- Spurious Response: 75 dB (nominal)
- Adjacent Channel Selectivity: 78 dB @ ±25 kHz (nominal)
- Audio Output Power: 2.5 watts (10% Distortion, 8 O load)
- Power Requirement: 400mA @ 13.8V DC at squelched, 920 mA @ 13.8V DC at maximum audio output
- IF Frequencies: 1st 41.925 MHz, 2nd 455 kHz
