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PT558S是国内款数字信号处理对讲机,运用高科技DSP数字信号处理技术,具有的稳定性,信噪比和灵敏度等指标都大幅提高,使得产品的通话音质更加清晰,通讯距离更远;新颖时尚的造型、立体金属喇叭网、超大的音腔设计,采用高品质的结构面料,使机身更坚固.
一般规格
| 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 |
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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 |
接收部分
| 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 |
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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% |
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发射部分
| 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% |
功能说明
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;
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