Chengdu Ebyte Electronic Technology Co., Ltd.
E220-900T30D User Manual
Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd.
5
2. Specification and Parameter
2.1 Limit Parameter
Table 2-1 Limit parameter table
Main Parameter
Performance
Remark
Min.
Max.
Power Supply
（
V
）
0
5.5
Exceeding the maximum value may burn the
module permanently
Blocking Power
（
dBm
）
-
10
-
Operating Temperature
（
℃
）
-40
+85
Industrial grade
2.2 Operating Parameter
Table 2-2 Working parameter table
Main Parameter
Performance
Remark
Min.
Typ.
Max.
Operating voltage
（
V
）
3.0
5
5.5
≥5.0 V ensures output power
Communication level
（
V
）
-
3.3
-
For 5V TTL, it may be burning down
Operating temperature
（
℃
）
-40
-
+85
Industrial design
Operating frequency
（
MHz
）
850.125
-
930.125
Support ISM band
Power
consumption
TX current
(mA)
-
620
-
Instant power consumption @30dBm
RX current
(mA)
-
17.2
-
5V Voltage
Sleep current
（
μA
）
-
5
-
Software shutdown
Max Tx power
（
dBm
）
29.5
30
30
-
Receiving sensitivity
（
dBm
）
-147
-148
Air data rate 2.4kbps
Air data rate
（
bps
）
2.4k
62.5k
To control via user’s program
Distance for reference
10km
Test condition
：
clear and open area, antenna
gain: 5dBi
，
antenna height: 2.5m
，
air data rate:
2.4kbps
TX length
200 Byte
Can be configured via command as
32/64/128/200 bytes per packet to transmit
Buffer
400 Byte
-
Modulation
LoRa
New generation LoRa modulation technology
Communication interface
UART Serial Port
TTL Level
Package
DIP
-
Size
24*43mm
-
Antenna
SMA-K
50 ohm impedance
