主頁（http://www.by236.com）：PT558S科立訊對講機(2) | 接收雜散Conducted Spurious Emission | -50 dBm<1 GHz, -47 dBm>1GHz |
產品型號 | PT558S |
發射規格Transmitter Specifications | |
頻帶劃分Frequencies - Full Bandsplit | 400~470MHz |
頻率穩定度Frequency Stability(-25 to 55, 25 Ref) | 2.5ppm |
功率Power Output | 1~4W |
調制限制Modulation Limiting | ±2.5KHz@12.5KHz, ±5KHz@25KHz |
剩余調制FM Hum & Noise | -40dB@25KHz，-35dB@12.5KHz |
發射雜散Conducted/Radiated Emission | -36dBm < 1GHz, -30dBm > 1GHz |
鄰道功率Adjacent Channel Power | -60dB @ 12.5KHz, -70dB @ 25KHz, |
音頻響應Audio Response (300-3000Hz) | +1 ~ -3 dB |
音頻失真Audio Distortion | < 5% |
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