PT558S 是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,更耐腐蚀。PT558S为商业、服务业、零售业、 工业、企业等部门度身打造,铸就高效精英团队。
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产品型号 | PT558S | 一般规格 | | 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 | 接收部分 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: - 采用的信号数字处理技术,性能更稳定可靠;
- 超大音腔设计,信噪比,音质清晰宏亮;
- 两个可编程按键,操作便捷;
- 内置亚音及数字亚音编解码;
- 语音报号、报警功能;
- 自动省电,有效节能。
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