Instruction Manual

Instructions for use of MK9A Transmitter
2
III. MK9A TRANSMITTER SPECIFICATIONS:
Available Frequencies 151.820, 151.880, 151.940, 154.570, 154.600MHz
Frequency Tolerance
±
2ppm over operating temperature range
Temperature Range Operating: -30 to +50
°
C
Storage: -40 to +60
°
C
Modulation Type 1k0N0N (Unmodulated RF pulses)
Pulse Width 20msec standard (15-250msec upon request)
Pulse Period 800msec standard (400-2000msec upon request)
Power Output 20mW maximum peak at 3.6V supply into 100
Ω
load
Harmonic Suppression better than 40dB
Spurious Emissions <-40dBc
Power Supply Internal 3.6V Lithium Cell (factory replaceable)
Battery Lifetime More than 3 years continuous operation*
*Standard Pulse Width and Pulse Rate. Lifetime will vary with pulse
width and pulse rate settings
Dimensions Housing: 3.0 x 2.0 x 1.5” (76 x 51 x 38mm)
Mounting Tab: 4.55 x 1.6 x 0.03” (116 x 41 x .08mm)
Mounting Holes: 4ea / 0.20”dia, 4.05 x 1.00” pattern
Antenna: 18”L x 0.087”dia (450mmL x 2mm dia)
(multi-strand stainless steel whip, PTFE insulation)