Chengdu Ebyte Electronic Technology Co., Ltd.
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co., Ltd.
Automotive industry applications.
2 Specification and Parameter
2.1 RF Parameter
RF Parameter
Parameter Value
Remark
Operating frequency
850MHz
～
930MHz
Support ISM
Transmit power
21dBm
～
22dBm
The software is adjustable and needs to be developed and set by
the user
Receiving sensitivity
-129dBm
BW_L=250kHz
，
SF = 10
，
LORA
TM
FIFO
256Byte
Maximum length of single transmission
Modulation mode
LoRa
LoRa modulation is recommended
Blocking power
10dBm
The probability of burning at close range is small
Air rate
LoRa
（
bps
）
1.76k
～
62.5k
User programming control
Reference distance
5500m
Clear and open environment, antenna gain 5dBi, antenna height
2.5 meters, air rate 2.4kbps
2.2 Electrical Parameter
Main Parameter
Performance
Remark
Min. Type Max.
Operating voltage
（
V
）
1.8
3.3
3.7
≥3.3V can guarantee the output power, more than 3.7V will
permanently burn the module
Communication level
（
V
）
-
3.3
-
Risk of burnout with 5V TTL
Operating temperature
（
℃
）
-40
-
+85
Industrial grade design
Power
consumption
TX current
（
mA
）
-
100
-
Instantaneous power consumption
RX current
（
mA
）
-
10
-
-
Sleep current
（
nA
）
-
180
-
software shutdown
2.3 Hardware Parameter
Hardware Parameters
Parameter Value
Remark
Crystal oscillation frequency
32MHz
-
