Chengdu Ebyte Electronic Technology Co., Ltd.
E22-400T30S_User Manual _EN
Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
6
Chapter 2 Specifications
2.1 Limit Parameter
Main Parameters
Performance
Remark
Min.
Max.
Power supply voltage (V)
3.3
5.5
Exceeding 5.5V may permanently burn the module
Blocking power (dBm)
-
10
Less chance of burning when used at close range
Working temperature (℃)
-40
+85
Industrial grade
2.2 Working Parameters
main parameters
Performance
Remark
Min.
Typical
value
Max.
Working voltage (V)
3.3
5.0
5.5
≥5.0V guaranteed output power
Communication level (V)
-
3.3
-
Using 5V level is recommended to add level conversion
Working temperature (℃)
-40
-
85
Industrial design
Working frequency band (MHz) 410.125
-
493.125 Support ISM frequency band
power
consumpt
ion
Emission current (mA)
-
610
-
Instantaneous power consumption
Receive current (mA)
-
17
-
-
Sleep current (uA)
-
2
-
software shutdown
Maximum transmit power (dBm)
29.5
30.0
30.5
-
Receiving sensitivity (dBm)
-146
-147
-148
Air rate 2.4 kbps
Air rate (bps)
0.3k
2.4k
62.5k
User Programmable Control
Main Parameters
Description
Remark
Reference distance
10km
Clear sky, antenna gain 5dBi, antenna height 2.5 meters, air rate 2.4kbps
Launch length
240 Btye
Subpackage 32/64/128/240 bytes can be sent by command setting
Cache capacity
1000 Btye
-
Modulation
LoRa
A new generation of LoRa modulation technology
Communication Interface
UART serial port
TTL level
Encapsulation
SMD
-
Interface
stamp hole
Pitch 2.54mm
Dimensions
25*40.5mm
-
Antenna interface
IPEX/stamp hole
Equivalent impedance about 50Ω
