6 technical data, Frequency 121.5 mhz, Emission type a3x – ACR Electronics Mini B300 2766.6 User Manual
Page 8: Activation manual "on-off" switch

4
Y1-03-0167 Rev. B
1.6 TECHNICAL
DATA
 
Pertinent technical data is listed below: 
ITEM
CHARACTERISTICS
 
Frequency 121.5 
MHz
 
Power Output 
Minimum 75 mW during 24 hours operation
 
Operating Life 
24 hours minimum at -10°, (-14°F) longer in temperate
climates
 
Battery 
Lithium battery, 6V Duracell DL223A, (or equivalent) sold
with beacon. Rated replacement life: 10 years or 
immediately after extended use or emergency. 
Emission Type
A3X
Modulation
Downward sweeping tone between 1600 and 300 Hz at 2 to 
4 sweeps per second 
Frequency Stability
± 3.5 KHz (Crystal controlled)
 
Operating Temperatures 
-20°C to +55°C (-4°F to +131°F)
Activation
Manual "ON-OFF" switch
Size
5.0" H x 2.6" W x 1.6" D (127mm x 66mm x 41mm) 
excluding antenna 
Weight
7.6 ounces (215 g)
Accessories
MINI B
300
TM
ILS Mounting Bracket,
(Optional)
PN 9321
