User Guide

121.5 MHz Transmitter
Frequency 121.5 MHz
Frequency Tolerance ±50 ppm
Output Power 25 mW PEP
Morse Code "P" ID every 50 seconds (approximately)
Modulation
Type AM (3K20A3N)
Sweep Range 400 to 1200 Hz
Sweep Rate 3 Hz
Duty Cycle 37.5%
Morse P AM (2K00A2A)
Antenna
Frequency 406 & 121.500 MHz
Polarization Vertical
VSWR Less than 1.5/1
General/Environmental
Battery Life
Operating 24 hours minimum @ -40°C
Replacement Interval 5 years or after use in an emergency
Size
PLB less Antenna 6.65 x 3.55 inches
Material High impact and UV resistant plastic
Color High Visibility Yellow
Weight 514 grams
Temperature Range
Operating Class I -40°C to +55°C
USER /
PROGRAMMING
INTERFACE
MCP
406 / 121.5 MHz
RF
AMPLIFIER
PLB BLOCK DIAGRAM
FIGURE 3
Y1-03-0169 Rev. B
5