SEA 7157 Specifications

GENERAL
Frequency Range:	155 to 163.6 MHz
Number of Channels:	All US, Canadian, International and 10 weather channels.
Input voltage:	24 VDC +30% -10% (Isolated chassis) 12 VDC ±15% (Isolated chassis)
Current Drain:	Standby: 24V 0.25A, 12V 0.5A Receive: 24V 0.3A, 12V 0.6A Transmit (25W): 24V 3.0A, 12V 6.0A Transmit (1W): 24V 0.75A, 12V 1.5A
Compliance:	FCC Part 80,15. GMDSS (Para 80.1101). EIA RS 204C, RS 152B IMO A.694(17) and A.609(15), ETS 300 338, Y2K
FCC ID:	BZ6SEA7157
Safe Compass Distance:	1 meter

TRANSMITTER
Frequency Range:	155 to 159 MHz
Frequency Stability:	±5ppm, -30 to +60°C (FCC, EIA)
Power Output:	25W, 1W into 50 ohms
Audio Response:	6dB per octave pre-emphasis 300-3000 Hz
Audio Distortion:	Less than 10% (EIA)
Spurious & Harmonic Radiation:	At least 60dB below rated carrier
Spurious Emissions (Radiated):	-60dB or better
Spurious Emission (Conducted):	-60dB or better

RECEIVER
Frequency Range:	155-163.6 MHz
Sensitivity:	Less than 0.3uV for 12dB SINAD
Selectivity:	-80d B at 25kHz -85dB at &GT= 50 kHz (EIA)
IM Ratio:	At least 80dB
Spurious and Image Rejection:	At least 80dB
Audio Output:	4W, less than 10% distortion into 4 Ohms
Channel 70 Watch Receiver:	Conforms to ETS 300 338 and IEC 1097-8

DSC OPERATION
Navigation Interface:	NMEA 0183 Version 2.0 compatible with Loran, GPS, and Transit equipment. Reads RMA, RMC, GLL, and GGA sentence formats.
Clock:	Date and time of day, battery backed
Calling Formats:	All formats per ITU-R M493-8 Class A
ITU Recommendations:	498-8 and 541-6
IMO Resolutions:	A.694(17) and A.803(19)
Memory:	Nonvolatile memory for unit's DSC individual and group ID's. Nonvolative memory for 49 frequently called DSC ID's and 49 telephone numbers with associated alphabetic names. Nonvolatile memory log for 40 most recent distress and urgency calls and 40 other calls.
Specifications subject to change without notice or obligation.