Chengdu Ebyte Electronic Technology Co.,Ltd.
E220-400M30S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
5
Main parameter
Performance
Remarks
Min
Max
Supply voltage (V)
0
5.5
Over 5.5V permanently burned module
Blocking power (DBM)
-
10
The burning probability is small in close range use
Working temperature (℃)
-40
+85
Industrial grade
2.2 Operating parameter
Main parameter
Performance
Remarks
Min
Type
Max
Working voltage (V)
3
5
5.5
≥5 V ensures output power
Communication level (V)
3.3
Probably burnout when using 5V TTL
Working temperature (℃)
-40
-
+85
Industrial Design
Operating frequency band (MHz)
410
433/470
493
Support ISM band
Power
Consumption
TX current
（
mA
）
600
Instantaneous power consumption
RX current
（
mA
）
12.5
-
Sleep current
（
μA
）
1
Software shutdown
Max TX power
（
dBm
）
29
30
31
-
Receiving sensitivity
（
dBm
）
-129
-124dbm,BW_L=125kHz,SF =
7,LORA
TM
;
-129dbm,BW_L=125kHz,SF =
9,LORA
TM
;
-121dbm,BW_L=250kHz,SF =
7,LORA
TM
;
-129dbm,BW_L=250kHz,SF
=10,LORA
TM
;
-117dbm,BW_L=500kHz,SF =
7,LORA
TM
;
-127dbm,BW_L=500kHz,SF
=11,LORA
TM
;
Air data rate
GFSK
（
bps
）
0.6k
300k
User programming control
LoRa
（
bps
）
1.76k
62.5k
User programming control
Main parameter
Description
Remark
Reference distance
10km
In clear and open environment, the antenna gain is 5dBi, the antenna
height is 2.5m, and the air speed is 2.4kbps.
FIFO
256Byte
Maximum length of single transmission
Crystal frequency
32MHz
-
Modulation mode
LoRa
Lora modulation is recommended
