Chengdu Ebyte Electronic Technology Co., Ltd.
E22-400M22S User manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
3
1.3 Application
Home security alarm and remote keyless entry
；
Smart home and industrial sensors
；
Wireless alarm security system
；
Building automation solutions
；
Wireless industrial-grade remote control
；
Health care products
；
Advanced Meter Reading Architecture(AMI)
；
Automotive industry applications.
2. Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Remark
Min.
Max.
Power supply
（
V
）
0
3.7
Voltage over 3.7V will cause permanent
damage to module
Blocking power
（
dBm
）
-
10
Chances of burn is slim when modules are
used in short distance
Operating temperature
（
℃
）
-40
85
/
2.2 Operating parameter
Main parameter
Performance
Remark
Min.
Typ.
Max.
Operating voltage
（
V
）
1.8
3.3
3.7
It’s recommended to use 3.3V
Communication level
（
V
）
3.3
For 5V TTL, it may be at risk of burning
down
Operating temperature
（
℃
）
-40
-
85
Industrial design
Operating frequency
（
MHz
）
410
433/470/490
493
Support ISM band
Power
consumpti
on
TX current
（
mA
）
100
Instant power consumption
RX current
（
mA
）
6.5
Sleep current
（
μA
）
2
Software is shut down
Max Tx power
（
dBm
）
21.4
21.5
22.3
Receiving sensitivity
（
dBm
）
-144
-146
-147
Air data rate is 0.3kbps
Air data rate
（
kbps
）
0.6
-
300
Controlled via user’s programming
0.018
62.5
Controlled via user’s programming
