Chengdu Ebyte Electronic Technology Co.,Ltd.
E220-400R30D User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
6
Main parameter
Description
Remark
Reference distance
10km
Test condition
：
clear and open area, antenna gain: 5dBi
，
antenna height: 2.5m
，
air data rate: 250 kbps
Launch length
200 Byte
The subcontract 32/64/128/200 bytes can be sent by instruct
settings
Cache capacity
400 Byte
-
Modulation
LoRa
New generation of LoRa modulation technology
Communication Interface
485 interface
485 level
Encapsulate
Pin
-
Interface
PH2.0
Space 2.0mm with reserved 2.54mm hole
Outter size
26*48mm
-
RF interface
SMA-K
The equivalent impedance is about 50 degrees
3 Size and pin definition
Pin No.
Item
Direction
Description
