Chengdu Ebyte Electronic Technology Co.,Ltd.
E220-400R30D 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
)
0
5.5
Voltage over 5.5V 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
Type
Max
Operating voltage
(
V
)
4.5
5.0
5.5
≥5.5 V ensures output power
Communication level
(
V
)
-
-
-
For 5V TTL, it may be at risk of burning
down
Operating temperature
(
℃
)
-40
-
85
Industrial grade
Operating frequency
(
MHz
)
410.125
-
493.125 Support ISM band
Power
Consump-
tion
TX current
(
mA
)
-
630
-
Instant power consumption@30dBm
RX current
(
mA
)
-
19
-
-
Sleep current
(
μA
)
-
-
-
Low power consumption is not supported
Max TX power
(
dBm
)
29.5
30.0
30.5
-
Receiving sensitivity
(
dBm
)
-
-129
-
-124dbm,BW_L=125kHz,SF =
7,LORATM;
-129dbm,BW_L=125kHz,SF =
9,LORATM;
-121dbm,BW_L=250kHz,SF =
7,LORATM;
-129dbm,BW_L=250kHz,SF =
10,LORATM;
-117dbm,BW_L=500kHz,SF =
7,LORATM;
-127dbm,BW_L=500kHz,SF =
11,LORATM;
Air data rate
(
bps
)
2.4k
2.4k
62.5k
Controlled via user’s programming