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| 品牌 | 科立訊對講機(jī) | 型號 | 科立訊對講機(jī)558S |
| 類型 | 專業(yè)級 | 類別 | 手持臺 |
| 頻率范圍 | 400-420或450-470(MHz) | 射頻輸出功率 | 5(W) |
| 信道數(shù) | 16(個(gè)) | 理論通訊距離 | 7(km) |
| 工作電壓 | 7.5(V) | 頻率穩(wěn)定度 | 2.5(ppm) |
| 電池理論壽命 | 一年以上(h) | 功能 | 有 |
| 外形尺寸 | 102高、56.5寬、29.5深(mm) | 重量 | 235(g) |
| 裝箱數(shù) | 1 |

| 產(chǎn)品型號 | PT558S |
| 一般規(guī)格General Specifications | |
| 供電電壓Power Supply | 7.5V DC ±20% |
| 工作溫度Operating Temperature | -25℃~ + 55℃ |
| 信道數(shù)量 Number of Channels | 16 |
| 尺寸:高x寬x厚 Dimensions: H x W x D(mm) | |
| 帶標(biāo)準(zhǔn)1000m鋰離子電池With Standard 1000m Li-POLY battery | 102*56.5*29.5(mm) |
| 重量Weight: (gm) | |
| 帶標(biāo)準(zhǔn)1000m鋰離子電池With Standard 1000m Li-POLY battery | 235(g) |
| 平均電池使用時(shí)間erage Battery Life @5/5/90 Cycle: | |
| 帶標(biāo)準(zhǔn)1000m鋰離子電池With Standard 1000m Li-POLY battery | 10h |
| 封裝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 |
| 沖擊和震動(dòng)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 |
| 防塵防潮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 |
| 產(chǎn)品型號 | PT558S |
| 接收規(guī)格Receiver Specifications | |
| 頻帶劃分Frequencies - Full Bandsplit | 400~470MHz |
| 接收靈敏度Sensitivity(12 dB SINAD)EIA | 0.2μV |
| 互調(diào)Intermodulation EIA | 60 dB |
| 鄰道選擇性Adjacent Channel Selectivity | 60 dB@12.5KHz, 70 dB@25KHz |
| 假信號響應(yīng)Spurious Rejection | 70 dB |
| 額定音頻功率Rated Audio | 1 W |
| 音頻失真Audio Distortion @ Rated Audio | 5% |
| 音頻響應(yīng)Audio Response (300-3000Hz) | +1 ~ -3 dB |
| 接收雜散Conducted Spurious Emission | -50 dBm<1 GHz, -47 dBm>1GHz |
| 產(chǎn)品型號 | PT558S |
| 發(fā)射規(guī)格Transmitter Specifications | |
| 頻帶劃分Frequencies - Full Bandsplit | 400~470MHz |
| 頻率穩(wěn)定度Frequency Stability(-25 to 55, 25 Ref) | 2.5ppm |
| 功率Power Output | 1~4W |
| 調(diào)制限制Modulation Limiting | ±2.5KHz@12.5KHz, ±5KHz@25KHz |
| 剩余調(diào)制FM Hum & Noise | -40dB@25KHz,-35dB@12.5KHz |
| 發(fā)射雜散Conducted/Radiated Emission | -36dBm < 1GHz, -30dBm > 1GHz |
| 鄰道功率Adjacent Channel Power | -60dB @ 12.5KHz, -70dB @ 25KHz, |
| 音頻響應(yīng)Audio Response (300-3000Hz) | +1 ~ -3 dB |
| 音頻失真Audio Distortion | < 5% |
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