Users Manual

RF1276D27 Long Distance Transceiver module V4.0
- 3 - 2016-6-12
4. Maximum specification
Symbol Parameter Min Max Units
VCC Supply Voltage 4.5 5.5 V
TOT Operation Temperature -30 85 ℃
HOH Operation Humidity 10% 90%
TST Storage Temperature -55 125 °C
5. Pin Out:
RF1276D27 module has 7 pins. Refers to the Table 1：
RF1276D27
Pin NO. Pin Name Function Description
1 GND Ground Groundingof Power Supply
2 VCC Power Power supply DC 4.5V-6.5V
3 EN Input Enable pin, Low effective
4 RXD Input RXD: UART input, TTL level
5 TXD Output TXD: UART output, TTL level
6 AUX Output Data indication pin for waking up module
7 SET Input Control pin, effective in central/node mode
Table 1: Pin definition