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Chengdu Ebyte Electronic Technology Co., Ltd.
2 Specification and parameter
2.1 Limit parameter
The main parameters
Power supply voltage (V)
Blocking power (dBm)
Working temperature (℃)
2.2 Operating Parameter
The main parameters
Working voltage (V)
Communication level (V)
Working temperature (℃)
Working frequency (MHz)
Emission current (mA)
Power
Consumptio
n
Receiving current (mA)
Sleep current (μA)
Max TX power（dBm）
Receiving sensitivity（dBm）
LoRa（bps）
Air data rate
GFSK（bps）
（bps）
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co., Ltd.
Value
Min.
Max.
0
3.6
-
10
-40
+85
Value
Min.
Typical
2.3
3.3
-
3.3
-40
-
862
915
Instantaneo
us power
-
135
consumptio
-
12.6
-
2.0
19
18.5
-145
-147
0.018
-
1.2
-
E19-900M20S2 User Manual
Remark
Over 3.6V will permanently burn the module
It is less likely to burn when used at close
range
Industrial grade
Max.
3.6
≥3.3V can guarantee output power
-
Using 5V TTL is risky to burn
+85
Industrial design
931
Support ISM frequency band
Instantaneous power consumption
n
-
-
Software shutdown
20
The sensitivity test condition is airspeed
-148
0.3kbps,
Coding rate 4/5, spreading factor 12
37.5
User programmable customization
300
User programmable customization
Remark
-
-
5
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