|
UNIERF4 项目Item |
性能Specification |
|
一般规格General |
|
频率范围Frequency Range |
136-150 MHz150-170 MHz
400-420MHz450-470MHz |
|
工作温度Operating Temperature Range |
-20—+60℃ |
|
天线阻抗Antenna Impedance |
50Ω |
|
电池电压Battery Voltage |
7.2V |
|
体积Dimensions |
116.8×55×37mm |
|
重量Weight |
290g(with 1100mAh Lion battery) |
|
发射机规格Transmitter Characteristics |
|
频率稳定度Frequency Stability |
5ppm |
|
发射功率RF Output Power |
4W(VHF 5W) |
|
发射电流TX Current |
1.5A |
|
调制限制Modulation Limiting |
≤5kHz |
|
调制灵敏度Modulation Sensitivity |
12mV |
|
调制失真Audio Distortion |
≤5% |
|
剩余调制FM noise |
≤-40dB |
|
邻道功率Adjacent Channel Power Ratio |
≤-65dB |
|
杂散发射Spurious & Harmonics |
≤7.5μW |
|
接收机规格Receiver Characteristics |
|
参考灵敏度Reference Sensitivity |
0.18μV |
|
音频功率Audio Output |
0.5W |
|
音频失真Audio Distortion |
≤5% |
|
阻塞Blocking or desensitization |
≥85dB |
|
共信道抑制Co-channel Rejection |
≥-8dB |
|
邻道选择性Adjacent Channel Rejection |
≥60dB |
|
互调抗扰性Intermodulation Rejection |
≥55dB |
|
杂散响应抗扰性Spurious Response Rejection |
≥60dB |