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特性电话线直接操作 用*和#键重拨4×3矩阵单触电键盘 断电时间超过200毫秒拨号器重设定电源电压2.5—5.0伏 数位间间歇可选性运用廉价的RC振荡器 通断比可选性重拨的低耗电等待模式 高速检测功能22位数字重拨功能
Features Direct telephone line operation * and # keys to redial 4 × 3 matrix One-touch keyboard Power-off time of more than 200 ms Dialer re-set supply voltage 2.5-5.0 V Digital Intermittent Optional Use of inexpensive RC oscillator on-off ratio Optional Redial Low Power Wait Mode High-Speed Detection 22-Digit Redial Function