主页（http://www.pttcn.net）：PT558S科立讯对讲机(2) | 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% |
(中国集群通信网 | 责任编辑：陈晓亮)
