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公司地址:杭州市拱墅区上塘路386号海外海通信大厦A区139室。
 
 
 
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科立讯PT558S
 
产品型号 PT558S
一般规格General Specifications 
供电电压Power Supply 7.5V DC ±20%
工作温度Operating Temperature -25℃~ + 55℃
信道数量 Number of Channels 16
 
尺寸:高x宽x厚 Dimensions: H x W x D(mm)
带标准1000mAh锂离子电池With Standard 1000mAh Li-POLY battery 102*56.5*29.5(mm)
重量Weight: (gm)
带标准1000mAh锂离子电池With Standard 1000mAh Li-POLY battery 235(g)
平均电池使用时间Average Battery Life @5/5/90 Cycle:
带标准1000mAh锂离子电池With Standard 1000mAh Li-POLY battery 10h
封装Sealing: 符合MIL STD 810 C/D/E and TIA/EIA 603
Withstands rain testing per MIL STD 810 C/D/E and TIA/EIA 603/IP54
冲击和震动Shock and Vibration: 符合MIL STD 810 C/D/E and TIA/EIA 603
Protection provided via impact resistant housing exceeding MIL STD 810 C/D/E and TIA/EIA 603/IP54
防尘防潮Dust and Humidity: 符合MIL STD 810 C/D/E and TIA/EIA 603
Protection provided via environment resistant housing exceeding MIL STD 810 C/D/E and TIA/EIA 603/IP54
 
产品型号 PT558S
接收规格Receiver Specifications
频带划分Frequencies - Full Bandsplit 400~470MHz
接收灵敏度Sensitivity(12 dB SINAD)EIA 0.2μV
互调Intermodulation EIA 60 dB
邻道选择性Adjacent Channel Selectivity 60 dB@12.5KHz, 70 dB@25KHz
假信号响应Spurious Rejection 70 dB
额定音频功率Rated Audio 1 W
音频失真Audio Distortion @ Rated Audio 5%
音频响应Audio Response (300-3000Hz) +1 ~ -3 dB
接收杂散Conducted Spurious Emission -50 dBm<1 GHz, -47 dBm>1GHz 
 
产品型号 PT558S
发射规格Transmitter Specifications
频带划分Frequencies - Full Bandsplit 400~470MHz
频率稳定度Frequency Stability(-25 to 55, 25 Ref) 2.5ppm
功率Power Output 1~4W
调制限制Modulation Limiting ±2.5KHz@12.5KHz, ±5KHz@25KHz
剩余调制FM Hum & Noise -40dB@25KHz-35dB@12.5KHz
发射杂散Conducted/Radiated Emission -36dBm < 1GHz, -30dBm > 1GHz
邻道功率Adjacent Channel Power -60dB @ 12.5KHz, -70dB @ 25KHz, 
音频响应Audio Response (300-3000Hz) +1 ~ -3 dB
音频失真Audio Distortion < 5%
 
功能特点:
1、采用独有的信号数字处理技术,性能更稳定可靠;
2、超大音腔设计,最佳信噪比,音质清晰宏亮;
3、两个可编程按键,操作便捷;
4、内置亚音及数字亚音编解码;
5、语音报号、报警功能;
6、自动省电,有效节能;
7、发射限时,降低损耗;
8、遇忙禁发,避免干扰;
9、有线复制,高效准确;
公司地址:杭州市拱墅区上塘路386号海外海通信大厦A区139室。电话:0571-56333379 ,0571-88114311 传真:0571-88114311 浙ICP备12017962号-1