Ebyte E49-900M20S - Chapter 2 Specification and parameters; 2.1 Limit parameter; 2.2 Operating parameter

Chengdu Ebyte Electronic Technology Co.,Ltd. E49-900M20S user manual
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Chapter 2 Specification and parameters
2.1 Limit parameter
Chart 2-1 limit paremeters
Main parameters
Performance
Remark
Min
Max
Power supply（V）
0
3.6
Voltage over 3.6V will cause permanent
damage to module
Operating temperature（℃）
-40
+85
Industrial-grade
2.2 Operating parameter
Chart 2-2 Operating parameters
Main parameters
Performance
Remark
Min
Type
Max
Power supply（V）
1.8
3.3
3.6
Voltage over 3.6V will cause permanent
damage to module
Communication level（V）
-
3.3
-
For 5V TTL, it may be at risk of burning
down
Operating temperature（℃）
-40
-
+85
Industrial grade
Operating frequency（MHz）
850
868
930
-
Power
Consump
- tion
TX current（mA）
-
75
-
@TX power 20dBm
RX current（mA）
-
8.5
-
-
Sleep current（nA）
300
300
800
-
Max TX power（dBm）
-
20
-
-
Receiving sensitivity（dBm）
-116
-117
-118
@Air data rate is 1.2kbps
Main parameters
Description
Remark
Reference distance
3km
Test condition：clear and open area, antenna height: 2.5m，air
data rate 2.4kbps
Crystal Oscillator
26MHz
-
Package
SMT
-
Communication interface
SPI
-
Size
20*14mm
-
Antenna
IPEX/stamp
hole
50 ohm impedance
Weight
1.2±0.1g
-