Ebyte E220-900M22S, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co.,Ltd. E220-900M22S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
5
2.2 Operating parameter
Main parameter
Performance
Remarks
Min Type Max
Operating voltage
（
V
）
1.8 3.3 3.7 ≥3.3 V ensures output power
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
）
850 868/915 930 Support ISM band
Power
Consump-
tion
TX current
（
mA
）
- 130 - Instantaneous power consumption
RX current
（
mA
）
- 6.5 - -
Sleep current
（
μA
）
- 180 - Software shutdown
Max TX power
（
dBm
）
21.4 21.5 22 -
Receiving sensitivity
（
dBm
）
- -129 - BW_L=250kHz
，
SF = 10
，
LORA
TM
；
Air data rate
（
bps
）
1.76k - 62.5k Controlled via user’s programming
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 Chip mounted -
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 -