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Chengdu Ebyte Electronic Technology Co., Ltd.
Advanced meter reading architecture (AMI);
Automotive industry applications.
2 Specification and Parameter
2.1 RF Parameter
RF Parameter
Operating frequency
Transmit power
Receiving sensitivity
FIFO
Modulation mode
Blocking power
Air rate
LoRa（bps）
Reference distance
2.2 Electrical Parameter
Main Parameter
Operating voltage（V）
Communication level（V）
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co., Ltd.
Parameter Value
410MHz～493MHz
The software is adjustable and needs to be developed and set by
21dBm～22dBm
-129dBm
256Byte
LoRa
10dBm
1.76k～62.5k
Clear and open environment, antenna gain 5dBi, antenna height
5500m
Performance
Type
Min.
Max.
1.8
3.3
3.7
-
3.3
-
Remark
Support ISM
the user
BW_L=250kHz，SF = 10，LORA
Maximum length of single transmission
LoRa modulation is recommended
The probability of burning at close range is small
User programming control
2.5 meters, air rate 2.4kbps
Remark
≥3.3V can guarantee the output power, more than 3.7V will
permanently burn the module
Risk of burnout with 5V TTL
E220-400MM22S User Manual
TM
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