VX-228 VHF  

VX-228 UHF

一般规格

频率范围                                             VHF134～174MHz

UHF400～470MHz

信道数量                                                                         16信道

电源电压                                                                   7.4V DC±20%

信道间隔                                                                   12.5/20/25kHz

电池工作时间（5/5/90工作周期）

FNB-VI106 NIMH:1200mAH                             9小时（省电模式关7.3小时）

工作温度范围                                                           -30℃至+60℃

频率稳定度                                                                  ±2.5PPm

射频输入-输出阻抗                                                         50Ω

外形尺寸（高×宽×深）                     110×58×34mm(含电池FNB-VI06)

重量（约）                                                           372g（含FNB-VI06 NIMH）

接收规格：按TIA/EIA-603测定

灵敏度（12db sinad）                                         0.25uv

相邻信道选择性                                                     65/60db 25khz/12.5khz

互调                                                                         65/60db 25khz/12.5khz

杂波和镜像抑制                                                               65db

音频输出                                                                 500mW@4Ω5%THD

发射规格：按TIA/EIA-603测定

输出功率                                                                             5/1W

调制方式                                                                   16KOF3E,11KOF3E

杂波与谐波                                                                       ＜65dB

FM杂音与噪音                                                       45/40db 25khz/12.5khz

音频失真                                                                          ＜3%@1khz