During the first start‐
up LEDs LD1 and LD3
do not light up
alternatively
The device does not
react to the call from
an enabled number
The device cannot
engage in the GSM
network
Technical Specification
10.
GSM/GPRS module
GPRS
output power
power supply
current
relay outputs
max. current relay contacts
digital inputs
master users
dimensions
weight
operating
temperature
Use this device with original accessories only. Velleman nv cannot be
held responsible in the event of damage or injury resulted from
(incorrect) use of this device. For more info concerning this product
and the latest version of this user manual, please visit our website
www.velleman.eu. The information in this manual is subject to
change without prior notice.
© COPYRIGHT NOTICE
The copyright to this manual is owned by Velleman nv. All worldwide rights
reserved. No part of this manual or may be copied, reproduced, translated or
reduced to any electronic medium or otherwise without the prior written
consent of the copyright holder.
31.05.2011
HAMGSM133
The device has already
been started
The mobile used for
the call has a hidden
ID
The PIN on the SIM
Card has not been
disabled
SIM900 Quad (850/900/1800/1900MHz)
multi‐slot class
mobile station class
class 4
class 1
9 to 32 Vdc stabilized (or Li‐Ion battery 800~1000mAh
(not incl.))
50mA (idle), 1A max.
2 (to control low tension loads), type SELV (<60Vdc)
2 (logic 1 = 5~32Vdc; logic 0 = 0Vdc
8
103 x 67 x 28mm (L x W x H)
±100g
‐10 ~ 55°C (14 ~ 131°F)
10/8
B
2W @ 850‐900MHz
1W @ 1800‐1900MHz
10A
10
Completely reset the
device using the RES
command.
Enable sending caller
ID on the used mobile
phone
Disable the PIN
request from the SIM
Card
©Velleman nv