产品特点：

采用双绞线进行图像传输，双绞线价格便宜，柔软，安装便捷，节省工程造价。202P视像通是无源的视频图像传输器，采用双绞线进行中远距离的实时黑白/彩色图像传输安装便捷，传输距离为600米，配合有源双绞线传输器可传输1.6KM

 注:标价是以个为单位，两个成一对。

产品详细参数:

型号 Model                                            202P
规格 Spec                                                                         1CH Passive
视频 Video Frequency respons:                                        DC-6Mhz Common-mode/Differential-mode Rejection: 15khz –6Mhz 60dB typ
 
音频/数据 Audio/data                                                      NO
电源 Power                                                                     NO
输入/输出阻抗 Impedance Coax,                                       male BNC:75ΩUTP(Screwless)Terminal Block or UTP RJ45 Data Connector:100Ω
线路 Wire type                                                                One Unshielded Twisted Pair 24-16AWG(0.5-1.31mm) Per video signal:DC Loop                                                                               Resistance 52 ohms per 1,000 ft(18 ohms per 100m)
抗冲击 Surge suppression -----------
控制 Control                                                                   NO
UTP Port Terminal Block
尺寸 Dimensions(mm)                                                    32*21*15
重量 Weigth(g)                                                              18
使用环境 Environment                                                   Temperature:-10~+50℃ Humidity:0~95%

注:上图为优质双绞传输器与劣质传输器对比,左侧为劣质产品：就是我们市面上那种便宜货(做工粗糙，人工焊接，一碰就断，没有线路板。铜芯线圈小，根本达不到:300米)。右侧我们公司产品，带有电路板，防雷管，贴片机焊接。用超五类纯铜线实侧是:600米传输距离。