Reference Manual

HE1074-915 Radio module – Reference manual 9(10 )
Mechanical drawing and pinout
Top view.
Pin number Description Input/output
1 NC
2 TxD Output
3 RxD Input
4 Extern I/O Input
5 GND
6 Frequency hop pulse Output
7 Internally connected to pin 8
8 Internally connected to pin 7
9 NC
10
VCC
11 NC
12 NC
13 NC
14 NC
15 NC
16 GND
17 CMD Data Input
18 NC
19 NC
20 In range Output