Chengdu Ebyte Electronic Technology Co.,Ltd
E30-900M30S User Manual
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
5
2 Specification and Parameter
2.1 Limit Parameter
Main parameter
Performance
Remark
Min
Max
Power supply
（
V
）
1.8
5.5
Voltage over 3.6V will cause permanent damage to
module
Blocking power
（
dBm
）
-
10
Chances of burn is slim when modules are used in
short distance
Operating temperature
（
℃
）
-40
+85
Industrial grade
2.2 Operating Parameter
Main parameter
Performance
Remark
Min
Typical
Max
Operating voltage
（
V
）
0
5.0
5.5
3.3 V ensures output power
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
）
855
-
925
-
Power
Consump
- tion
TX current
（
mA
）
550
650
700
Instant power consumption
RX current
（
mA
）
-
22
-
-
Sleep current
（
μA
）
-
2
-
-
Max TX power
（
dBm
）
29
30
30.5
-
Receiving sensitivity
（
dBm
）
-120
-121
-122
Air data rate is1kbps
Main parameter
Description
Remark
Reference distance
5.6Km
Test condition
：
clear and open area, antenna gain: 5dBi
，
antenna height: 2.5m
，
air data rate: 1kbps
Modulation
GFSK
-
Communication Interface
SPI
Max. rate 10Mbps
Package
SMD
-
Interface method
Stamp Hole
-
Size
38.5*24mm
-
Antenna
IPEX/STAMP
50 ohm impedance
