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General
Channels : Transmit 54
Receive 77 Marine/10 Weather
Controls : On-Off/Volume, Squelch
Status Indicators : TX (transmit), SCAN, TRI, U, I, C, HI, LO, MEM,
WX, and WX alert symbol on LCD Panel
Channel Display : LCD (Dual 7 segment)
Selector Switch : Channel Selector switch
Buttons : WX, 16/9, MEM, H/L, and STEP
Connectors : Antenna, remote speaker, and DC power
Size : 73 mmH x 181 mmW x 132 mmL
Weight : 1.1 kg (microphone: 180 g)
Supply Voltage : 13.8V DC negative ground
Standard Accessories : Mounting bracket and hardware, DC power cord,
microphone hanger, spare fuse, EXT SP PLUG
(ø3.5), 2 Terminals for PA
Antenna Impedance : 50 Ω nominal
Microphone : Rugged 2 kΩ condenser mic element with
coiled cord
Speaker : 1.82 inch, 8W
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 (switch selectable)
Power Requirement : Not rated on LO, 25 watts output: 4.5A@13.8V DC
Modulation : FM ±5 kHz deviation (FCC designator F3E)
Hum and Noise Signal-to-Noise : 42 dB@300 Hz, 3 kHz (nominal)
Audio Distortion : Less than 3% with 3 kHz deviation with 1000 Hz
modulating frequency (nominal)
Spurious Suppression : –56 dB @ 1 watt, –65 dB @ 25 watts
Output Power Stabilization : Built-in automatic level control (ALC)
Frequency Range : 156 to 158 MHz
Frequency Stability : ±0.79 kHz @ –20°C to + 50°C
Receiver
Frequency Range : 156 to 163 MHz
Sensitivity : 0.25 µV for 12 dB SINAD, 0.35 µV for 20 dB S/N
Circuit : Dual Conversion Super Heterodyne PLL
Squelch Sensitivity : 0.5 µV Threshold
Spurious Response : 60 dB
Adjacent Channel Selectivity : 60 dB @ ±25 kHz
Audio Output Power : 3.0 watts (10% Distortion)
Power Requirement : 230 mA @ 13.8V DC squelched, 0.7A @ 13.8V
DC at maximum audio output
IF Frequencies : 1st –16.9 MHz, 2nd –455 kHz
Specification
UT881BL OCEANUS-bk 11/25/02 10:28 AM Page 17