Product Info

 2、Technical Parameters
Name
Parameter
Unit
Min. value
Typical value
Max. value
Electrical performance
（
25
℃）
Supply voltage
5.0
V
Emission current
98
mA
Receiving current
16
mA
Resting current
/
mA
Wireless performance（
25
℃）
Frequency
433.36MHz
MHz
dBm
Receiving sensitivity -120
（
BER=1%
）
Data
Rate=1.2kbps
dBm
Channel 1
NLOS（Point to Point） 200 500
m
Generic performance（
25
℃）
Interface rate
9600
bps
Working temperature -30 +25 +75 ℃
Storage temperature -45 +25 +85 ℃
 3、Serial Ports Description
RF module communicates with meter by serial ports:
 Signal level range: 3.3V TTL
 Baud rate of the local serial ports:9600bps
 Data bits: 8
 Odd-even check: none
 Stop bit: 1
 4、RF Antenna
Antenna
Type
External Internal
External RF network
antenna connector
IPEX connector
/
Antenna Type
rod antenna /
Antenna Gain
≥2 / dBi