WITURA
TECHNOLOGY
SDN
BHD
|
WT
‐
1672B
GSM
Wireless
Alarm
System
User
Manual
V2.0
13
Example
Wireless
And
Wireless
Sensor
with
WT
‐
1672B
Production
Specifications
Operation
Voltage
12
volts
DC
Operating
Current
Maximum
500mA,
typically
55mA
Relay
Contacts
2amps
GSM
Frequency
MHz
GSM900/1800Mhz,
or
GSM850/900/1800/1900Mhz
Humidity
Less
Than
80%
RH
Operating
Temperature
‐
20c
to
55c
Physical
Size
6.8cm
x
4.1cm
x
12.5cm
Protection
IP
65
Weather
Proof
Casing
Approvals
C.E,
FCC,
ETSI