User Manual

22
11. SYSTEM SPECIFICATION
Transmitter Unit
Frequency Range : 301 MHz
Transmitting Range : 150 feet
Hamming Distance : 4
Channel Spacing : 25KHz
Frequency Control : Quartz Crystals
Frequency Drift : < 5ppm @ -20 ~ +70
Frequency Deviation : < 1ppm @ 25
Spurious Emission : - 50dB
Transmitting Power : ~1mW
Emission : F1D
Antenna Impedance : 50 ohms
Enclosure : IP-66
Source Voltage : 3.0 VDC (“AA” alkaline batteries X 2)
Current Drain : 10 ~ 20 mA
Operating Temp. : -20 ~ +70
Dimension (Alpha 500/520) : 134mm X 68mm X 30.5mm
Dimension (Alpha 540/560) : 166mm X 67.5mm X 30mm
Weight (Alpha 500/520) : 7.05oz. (include batteries)
Weight (Alpha 540/560) : 8.82oz. (include batteries)