RuiXingHengFang Network Co. Ltd. APC350F 用户手册
V1.6 2016-11-16
www.risinghf.com
5
4.1 Electrical specifications
Table below list the key specifications of the LoRaWAN sensor interface unit.
Table 4- 1 Electrical specifications of MIU
ITEMs
Parameter
Specifications
Unit
Electrical
Characteristics
power supply (Internal)
3.6V type
Battery voltage range 3.6 to 2.4V
V
Sleep current
3.5uA
uA
Band
920-925MHz
MHz
Protocol
LoRaWAN Class A
LoRaWAN Mode
OTAA/ABP Configurable
TX current
125mA @19dBm type
mA
RX current
16mA
mA
Output power
18dBm max
dBm
Sensitivity
-137dBm @SF12, BW125kHz,
dBm
Harmonics
<-36dBm above 1GHz
dBm
Antenna Gain (Internal)
1.5dBi type
dBi
Mechanical
Mechanical Size
TBD
mm
IP Level
IP68
Environment
Operating Temperature
-25 to +70℃
℃
Storage Temperature
-40 to +85℃
℃
Relative Humidity
20 – 90%
Certification
FCC
FCC part 15 Class B
FCC 15.247
IP68
4.2 The MIU interfaceCharacteristics:
Items
Pin define
Specification
Color
remark
Port
GND
BLACK
Pulse
Digital input. pulse signal of
meter
meter
RED
Dry contact. Open: normal, close: pulse
Direction
Digital input. flow direction of
meter
meter
YELLOW
Dry contact. Open: Forward, close:
Reverse
Reverse
Cut wire
Digital input. Cut wire status of
meter
meter
WHITE
Dry contact. Open: alarm, close:
normal
normal