Chengdu Ebyte Electronic Technology Co., Ltd.
E22-900T22D User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
5
Size and shape are consistent with E32 series module, which can be directly replaced to improve performance and
distance.
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
5.5
Voltage over 5.5V 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
）
2.3
5.0
5.5
≥5.0 V ensures output power
Communication level
（
V
）
3.3
For 5V TTL,It is recommended to add
level conversion
Operating temperature
（
℃
）
-40
-
85
Industrial design
Operating frequency
（
MHz
）
850.125
868.125
930.125
Support ISM band
Power
consumpti
on
TX current
(mA)
-
140
-
Instant power consumption
RX current
(mA)
-
11
-
Sleep current
（
μA
）
-
2
-
Software is shut down
Max Tx power
（
dBm
）
21.5
22.0
22.5
Receiving sensitivity
（
dBm
）
-146
-147
-148
Air data rate 0.3kbps
Air data rate
（
bps
）
0.3k
2.4k
62.5k
To control via user’s program
