Alpha Technologies GSM-VarioBell, User Manual

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Technical parameters:
Dimension according used modules
Operating position
various
Operating condition temperature: -
20 to + 50°C
humidity: 10% ÷ 80% when 30° C
power voltage 12 (9-24) V AC/DC, min. 500mA
(optional backup battery Li-18650
min 2000mAh for approx. 35h of
operation)
buttons
1 to 87 according used modules
(for each button max. 7 numbers
dialed progressively
– max. length
of each 24 digits)
– capacity of
saved numbers is limited by
capacity of SIM card
keypad
max. length code name (password)
or memory
– 10 digits. Max length
of phone numbers is 24 digits
–
capacity of saved numbers is
limited by capacity of the SIM card
Relay 2x
switchable contact
Max. voltage 48V when I<1A
Max. current 2A when U<30V
Closing time by code 1 to 99 sec
Closing time by SMS 1 to 99 min
Detection start/restart relay1 switching contact for 7s
input:
0/5V
GSM module
GE864
Mobile networks 850/900/1800/1900 MHz
SIM card 3V, 1.8V