Chengdu Ebyte Electronic Technology Co., Ltd.
E220-900T22D User Manual
Copyright ©2012–2020
，
Chengdu Ebyte Electronic Technology Co., Ltd.
16
it will be issued forcibly when it reaches 2
seconds.
3
Reserve
2
1
0
WOR Cycle
Only valid for mode 1;
Cycle T= (1+WOR)*500ms, the maximum is
4000ms, the minimum is 500ms;
The longer the WOR monitoring interval period,
the lower the average power consumption, but the
greater the data delay;
Both sender and receiver must agree (very
important)
0
0
0
500ms
0
0
1
1000ms
0
1
0
1500ms
0
1
1
2000ms
1
0
0
2500ms
1
0
1
3000ms
1
1
0
3500ms
1
1
1
4000ms
06H
Write
CRYPT
_H
Key high byte
（
default 0
）
Write only, read returns 0;
Used for encryption to avoid interception of
wireless data in the air by similar modules;
The module will use these two bytes as a
calculation factor to transform and encrypt the air
wireless signal.
07H
Write
CRYPT
_L
Key low byte
（
default 0
）
7.3 Factory Default Parameter
Table 7-3 Default parameters
Model
Factory default parameter
：
c0 00 00 62 00 17
Module No.
Frequency
Module No.
Frequency
Module No.
Frequency
Module No.
Frequency
E220-900T22D
873.125MHz
0x0000
0x17
2.4kbps
9600
8N1
22dbm
