Troubleshooting guide

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Technical specifications
General
Frequency Range CT210: 144-146MHz; CT410: 430-440MHz
Working Temperate -20°-+50°
Operating Voltage DC 7.4V
Operate Mode Simplex or Semi-duplex
Dimension 100mm×58mm×33mm (Antenna excluded)
Weight 203g (Including battery)
Antenna impedance 50Ω
Duty cycle 5/5/90
Transmitter
Frequency Stability ±2.5PPM
Output Power ≤4W
Max Frequency Deviation ≥5KHz
Audio Distortion ≤3%
Adjacent Channel Power Within European legal terms
Spurious Radiation Within European legal terms
Occupied Bandwidth Within European legal terms
Receiver
RF Sensitivity <0.2μV
Audio Distortion ≤3%
Audio Response 300Hz ÷ 3KHz
Adjacent Channel Selectivity Within European legal terms
Intermodulation Rejection Within European legal terms
Spurious Response Within European legal terms
Blocking Within European legal terms