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Technical parameters overview
Overview of WB169-SI2 module technical parameters is shown in the Table
below.
Table 1: Overview of WB169-SI2 module technical parameters
RF subsystem parameters
Frequency band *
169.40625 to 169.46875
MHz
Modulation *
2-GFSK, 4-GFSK
Bandwidth *
12.5 or 50
kHz
Transmitting power
500
mW
Sensitivity of back-channel receiver
-109
dBm
Communication protocol
Wireless M-BUS
Communication mode (by EN 13757-4)
N1, N2
Transmission speed *
2400, 4800, or 19200
Baud
Antenna connector
SMA female
Antenna characteristic impedance
50
Ω
Configuration interface RS232
Transmission speed
9600
Baud
Operation mode
asynchronous
Transmission parameters
8 data bits, 1 stop bit, none parity
Signal level
TTL/CMOS
Optical configuration interface
Transmission speed
115 200
Baud
Optical I/F specification
complies with IrPHY 1.4 standard
Pulse/sensor inputs
Resistance of released contact
more than 10
MΩ
Resistance of short-circuited contact
less than 1
kΩ
Maximum frequency of input pulses
10
Hz
Minimum pulse length
40
ms
Range of voltage measurement in analog mode
(0
÷
3,6)
V
Maximum voltage on the input
3,6
V
Power supplying
3,6 V lithium battery capacity
5.8 or 13
Ah
Weight and dimensions
Length
145
mm
Width
45
mm
Height
100
mm
Weight
cca 300
g
Storage and installation conditions
Installation environment (by ˇ
CSN 33 2000-3)
normal AA6, AB4, A4
Operation temperature range
(-20
÷
40)
◦
C
Storage temperature range
(0
÷
40)
◦
C
Relative humidity **
95
% (w/o condensation)
Degree of protection **
IP65 or IP68
* in reliance on selected frequency channel - see EN 13757-4, Mode N, Physical link parameters (Table 18).
** modules with additional silicon filling are waterproof with IP68 degree of protection.
WB169-SI2
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