SEA 157
S
PECIFICATIONS

GENERAL
Frequency Range: 155 to 163.6 MHz
Number of Channels: All US, Canadian, International Channels
10 weather channels
10 expansion channels
Input Voltage: 12 VDC +30% -10% (13.8V nominal)
Current Drain: Standby 0.5A
Receive 0.6A
Transmit 6.0A (25W) 1.5A (1W)
Warranty: Two Year-Limited
FCC ID: BZ6SEA157
Dimensions: Without brackets and knobs.
Max 9.60"W x 3.60"H x 2.56"D
(243.8 x 91.4 x 64.9 mm)
With mounting bracket and knobs.
Max 10.66"W x 4.25"H x 2.56"D
(270.8 x 108.1 x 64.9 mm)
3 lbs (1.4kg)

TRANSMITTER
Frequency Range: 155 to 159 MHz
Frequency Stability: ±5ppm, -30 to +60°C
Power Output: 25W, 1W into 50 Ohms
Audio Response: 6dB per octave pre-emphasis 300-3000 Hz
Audio Distortion: Less than 10%
Spurious and Harmonic Radiation: At least 60dB below rated carrier

RECEIVER
Frequency Range: 155 to 163.3 MHz
Sensitivity: Less than 0.3uV for 12dB SINAD
Less than 0.4uV for 20dB quieting
Selectivity: At least 80dB at 25 kHz,
85dB at 50 kHz or greater
IM Ratio: At least 80dB
Spurious and Image Rejection: At least 80dB
Audio Output: 4W, less than 10% distortion into 4 Ohms

DSC OPERATION
Navigation Interface: NMEA 0183 Version 2.0 compatible.
Clock: Date and time of day, battery backed
Calling Formats: All formats per ITU-R M493-9 Class D
ITU Recommendations: 493-9 and 541-8
IMO Resolutions: A.694(17) and A.803(19)
Memory: Nonvolatile memory for unit's DSC individual and group ID'S. Nonvolatile memory for 10 frequently called DSC ID's and telephone numbers with associated alphabetic names. Nonvolatile memory log for 10 most recent REC'D calls.
Specifications subject to change without notice or obligation.

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Last Updated August 27, 2001