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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 |
102*56.5*29.5(mm) |
重量Weight: (gm) | |
带标准1000mAh锂离子电池With Standard 1000mAh Li-POLY |
235(g) |
平均电池使用时间Average Battery Life @5/5/90 | |
带标准1000mAh锂离子电池With Standard 1000mAh Li-POLY |
10h |
封装Sealing: |
*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: |
*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 |
*尘*潮Dust and Humidity: |
*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 , 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Tran*itter 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@25KHz |
剩余调制FM Hum & Noise |
-40dB@25KHz,-35 |
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*的信号数字处理技术,性能更稳定*;
2、*音腔设计,*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,**;
7、发射限时,降低损耗;
8、遇忙禁发,避免干扰;
9、有线复制,*准确;
欧益宝基于客户的需求,持续*,凭借在传统模拟对讲机、商业数字对讲机、*数字对讲机、模拟系统集成和数字系统解决方案领域的综合优势,已成为珠三角地区*的*对讲终端和系统集成服务商之一。