Uniden UM355 Fixed VHF

  • Model: Uniden UM355
  • Manufactured by: Uniden


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The splashproof radio housing is certified to meet the worldwide JIS4 water-resistance specification. It has a rugged splashproof speaker microphone great for operating on the water.

The UM355VHF 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.

Designed in Japan to offer outstanding performance in virtually all conditions and situations, this off-shore radio represents the highest level of quality and performance in marine radios. Uniden’s UM355VHF is durable and ideal enough for boating, marine, fishermen, commercial use and so much more.

Splashproof: Meets the world standard JIS4 level. Being defined as having no harmful influence by receiving a splash of water from any direction.


  • VHF Marine In-Boat Radio
  • Splashproof
  • Rugged Splashproof Housing
  • Large LCD Display with Brightness Control
  • 1W/25W Transmitter Power Level Select
  • Variable Squelch Level Knob
  • Volume Control Knob
  • Triple Watch Mode
  • One-Touch Channel 16/67
  • Programmable Memory & Scan
  • International Channels
  • Backlit Keys and Display
  • Designed and Engineered in Japan
  • Built for Rugged Australian and New Zealand Marine Conditions


  • Controls: Volume-Pwr, Squelch
  • Status Indicators: Transmit power, Scan mode, Triple Watch mode, Dual Watch mode, Battery High,
  • Battery low, USA, CAN, INT, Memory, Message, Weather band and Channel
  • Display: LCD
  • Buttons: 1W/25W/UIC, Channel UP, Channel DOWN, INST, WX-DUAL, 16/67-TRI, SIREN, and SCAN/MEM
  • Connectors and Cables: Antenna, accessory, and DC power
  • Dimensions (H x W x L): 66 x 162 x 128 mm
  • Weight: 1.0 kg
  • Supply Voltage: Nominal 13.8V DC, negative ground (10.8 VDC to 15.6 VDC)
  • Antenna Impedance: 50 O nominal
  • Microphone: Rugged 2 kO condenser mic element with coiled cord
  • Speaker: 4.49 cm, 8 O
  • Operating Temperature: Range –15 °C to + 55 °C
  • Shock and Vibration: Meets or exceeds EIA standards, RS152B and RS204C
  • AS/NZS Approvals: Type accepted under AS/NZS 4415.2:2003 of the Rules.
  • Power Output: 1 watt or 25 watt (user selectable)
  • Power Requirement: 25 watts output: 6A@13.8V DC
  • Modulation: ±5 kHz deviation
  • 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
  • Frequency Range: 156 to 163 MHz
  • Sensitivity: 0.25 µV for 12 dB SINAD (nominal)
  • Circuit: Dual Conversion Super Heterodyne PLL
  • 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: 230mA @ 13.8V DC at squelched, 440 mA @ 13.8V
  • DC at maximum audio output
  • IF Frequencies: 1st 41.925 MHz 2nd 455 kHz


  • 1 X Uniden UM355 Splashproof VHF Marine Radio (White)
  • 1 X DC Power Cable
  • 1 X Accessory Cable
  • 1 X Mounting Bracket & Knobs
  • 1 X Microphone Hanger & Screws
  • 1 X Flash Mount Bracket

  • This product was added to our catalog on Wednesday 04 March, 2020.

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