User Guide

Y1-03-0090-2 Rev. D
4
2.0 TECHNICAL SPECIFICATIONS
Frequencies 121.5 and 243 MHz
Frequency Stability ± .005% (crystal controlled)
Emissions Type A3X
Modulation Downward swept tone between 1400 Hz and
400 Hz at 3 Hz rate
Peak Effective Radiated Power Minimum 50 mW (17 dBm)
(PERP)
Transmitter RF output
Operating Temperature 0°C to +55°C
Storage Temperature
Activation Water activated when deployed in water
Size Length 23" exclusive of 19" flex antenna
Diameter 2 ¾"
Weight 4.01 lbs. max
Environmental Categories Per FAA TSO-C91a for Survival ELTs
Accessories (optional) Bulkhead Mounting Bracket
ACR P/N A3-06-1698
Battery Type Magnesium / Silver Chloride, 9V
Water-activated Electrolyte
Battery Operational Life 48 hours minimum. 100 hours typical
Battery Service Life 5 years. Recertified by factory inspection
and tests.
Battery Storage Life Indefinite - requires factory recertification
every 5 years