Chengdu Ebyte Electronic Technology Co.,Ltd.
E220-400M22S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
6
2.2 Operating parameter
Main parameter
Performance
Remarks
Min
Type
Max
Working voltage (V)
1.8
3.3
3.7
≥3.3 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
433/470/490
493
Support ISM band
Power
Consump
- tion
TX current
（
mA
）
-
100
-
Instantaneous power consumption
RX current
（
mA
）
-
6.5
-
-
Sleep current
（
μA
）
-
180
-
Software shutdown
Max TX power
（
dBm
）
21
21.5
22
-
Receiving sensitivity
（
dBm
）
-
-129
-
BW_L=250kHz
，
SF = 10
，
LORA
TM
；
Air data rate
LoRa
（
bps
）
1.76k
-
62.5k
User programming control
Main parameter
Description
Remark
Reference distance
5500m
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
Packaging method
SMD
-
Interface mode
Stamp hole
The spacing is 1.27mm
Communication interface
SPI
0-10Mbps
Dimensions
20* 14*2.8 mm
Including shield
RF interface
Stamp hole / IPEX
-
