Fomotech Alpha 500 - System Specifications

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Transmitter Unit
Frequency Range : 301 MHz
Transmitting Range : 100 meters
Hamming Distance : 6
Channel Spacing : 25KHz
Frequency Control : Quartz Crystals
Frequency Drift : < 5ppm @ -25℃ ~ +75℃
Frequency Deviation : < 1ppm @
25℃
Spurious Emission : - 50dB
Transmitting Power : ~1mW
Emission : F1D
Antenna Impedance : 50 ohms
Enclosure Rating : IP-66
Source Voltage : 3.0V (“AA” alkaline batteries x 2)
Current Drain : 10 ~ 18mA
Operating Temperature :
-25℃ ~ +75℃
Dimension (500~520 Models) : 140mm x 68mm x 33mm
(540~560 Models) : 173mm x 68mm x 33mm
(580 Models) : 213mm x 68mm x 33mm
Weight (500~520 Models) : 200g (include batteries)
(540~560 Models) : 240g (include batteries)
(580 Models) : 290g (include batteries)
Receiver Unit
Frequency Range : 301 MHz
Channel Spacing : 25KHz
Hamming Distance : 6
Frequency Control : Synthesizer (PLL)
Frequency Drift : < 5ppm @ -25℃ ~ +75℃
Frequency Deviation : < 1ppm @
25℃
Sensitivity : -120dBm
Antenna Impedance : 50ohms
Data Decoder Reference : Quartz Crystals
Responding Time : 40ms (Normal)
Enclosure Rating : IP-65 (Alpha 500~560 Models)
IP-66 (Alpha 580 Models)
Source Voltage : AC 220V ~ 230V @ 50/60 Hz.
Power Consumption : 11VA
Operating Temperature : -25℃ ~ +75℃
Output Contact Rating : 250V @ 10A
Dimension (500~560 Models) : 310mm x 134mm x 72mm
(580 Models) : 300mm x 230mm x 86mm
Weight (500~520 Models) : 1,625g (include output cable)
(540~560 Models) : 1,700g (include output cable)
(580 Models) : 3,400g (no output cable)