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Chengdu Ebyte Electronic Technology Co., Ltd.
2. Specifications
2.1 Limit parameters
main parameters
voltage （V）
Working frequency （MHz）
Emission current (mA)
Receive current （mA）
Sleep current （uA）
Maximum output power
（dBm）
Receiving sensitivity （dBm）
Air speed （bps）
main parameters
Reference distance
Send length
Cache capacity
Modulation
Communication Interface
Encapsulation
Interface
Size
Antenna Interface
Name
RF crystal oscillator
(MHz)
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
Minimum
Typical value
3
3.3/5
410
433
-
32mA
6mA
1.6
12
13
-
-119
2K
2K
describe
2.5km
58 Byte
80Byte
FSK
UART
SMD
1.27
16*26
IPEX/Stamp hole
Modul
--
Max
Remark
Over 5.5V may burn the
module permanently
5.5
(Consider wide-voltage
power supply when
designing)
493
Channel spacing 0.5MHz
433MHz@13dBm
Regular receipt
13
-
-2Kbps
25K
Multi-level adjustable
Remark
Maximum transmission bytes in a single
time
Software actual debugging
8N1\8E1\EO1,1200~38400Multi-level
adjustable
Actual layout
Equivalent impedance is about 50Ω
Remark
16M（Built-in load
capacitance ）
E78-900M22S User manual
5
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