DM1800-434MR module equivalent, transceiver module.
Pin J1-1 J1-2 Name GND VIN This pad is a signal and power supply ground. This is the power supply input pad. The allowed input voltage range is 2.6 to 14 V. VOUT tracks 50 to 100 mV below VIN when VIN is in the range of 2.6 to 3.1 V. When VIN is in .
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