BỘ ĐÀM CẦM TAY HONGDA HD-668

·Technical Index

Frequency Range			VHF136-174MHz
			UHF400-470MHz
Rated Voltage			DC 7.2V
Memory Channel			16
Channel Spacing			12.5KHz/25KHz
Frequency Sensitivity			±2.5PPM
Antenna Impedance			50Ω
Dimension			1215934mm
·TRANSMITTER
Output Power			≥5W
Current			≤1.6A
Modulation Distortion			＜5%(300-3000Hz)
Maximum Frequency Deviation			≤5KHz
CTCSS Frequency Deviation			0.75KHz±50Hz
Spurious Radiation			≤7uW
Modulation Mode			16KøF3E
Remanent Radiation			≤-35dB
·RECEIVER
RF Sensitivity			≤0.25uV
Silent Sensitivity			≤0.2uV
Audio Frequency Power			≥500mW
Audio Distortion			＜5%
Modulation Receiver Bandwidth			±7KHz
Spurious Rejection			≥55dB
Selectivity			≥65dB
Intermodulation			≥60dB