1. Support network: quad-band network 2. Operating voltage: 3.7-4.2V (current peak 1A, please do a good job) 3. Serial port is TTL serial port, can be directly linked with the microcontroller 4. Module power-on automatic boot, automatic network search 5. Board all the way signal indicator (signal slow flash, no signal fast flash) 6. Full machine chip processing, reflow soldering, stable performance, power supply can be directly powered by lithium batteries 7. Weight: about 5.4 g 8. Module size: about 2.5 x 2.3 cm
1. 支持网络:四频网络 2. 工作电压:3.7-4.2V(电流峰值1A,请做好处理) 3. 串口为TTL串口,可以与单片机直接链接 4. 模块上电自动开机,自动寻网 5. 板载一路信号指示灯(有信号慢闪,无信号快闪) 6. 全机器贴片加工,回流焊焊接,性能稳定,供电可以用锂电池直接供电 7. 重量:约5.4 g 8. 模块尺寸:约2.5 x 2.3 cm
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