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Help Center1W VHF Ham Radio Modem 144MHz-148MHz Wireless Data and Voice Transmission RS232, RS485, TTL
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Specifications:
Operating voltage: 5V or 12V DC
Carrier frequency: 223 to 235MHz or 400 to 500MHz
Interface: standard RS-232/RS-485/TTL selectable
Baud rate: 1,200/2,400/4,800bps selectable
Channel spacing: 25kHz/12.5kHz
Frequency stability: ±5ppm
Modulation: FFSK
Channels: 16
Impedance: 50Ω
Transfer distance: 5km (BER = 10-3 at 9,600bps)
Size: 72 x 46 x 14mm (without antenna port)
Weight: 180g
Transmission distance: 3km
Metal shell, good shielding performance, providing frequency passage
Application:
RTU/SCADA
Process Control Equipment
Natural Gas Automation
Gas Flow Measurement
Flow metering
Tank Gauging
Cathodic protection
Valve control/actuation
Instrumentation
Seismic monitoring
Telecom/Telemetry:
Data Recording
Microwave repeater sites
BTS base stations
Broadband/spread spectrum radio
VSAT's and gateways
Rural telephony
Two-way radio
Traffic Safety and Control/Transportation Aids:
Message boards
Warning signals
Emergency call boxes
Traffic counters
Intelligent transportation systems
Navigational aids
Lighting
Security:
CCTV and surveillance cameras
Lighting
Perimeter protection
Call boxes
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