GSMWhiteBox - Low Cost SMS Alert System
2 inputs, 1 output, optional temperature monitoring and power fail alerts.

The new compact GSMWhiteBox allows you to add SMS alert capacity to any switched input such as your home alarm, water tank, door switch, machine controller, compressor etc. GSMWhitebox has two input channels and can send a custom SMS message when the input close,open or both and the message can be sent to one or two recipients. Add the optional internal rechargeable battery and GSMWhitebox will alert if the main power supply is lost making it ideal for power outage alerts. An external temperature probe can be connected to an input channel to transform the unit into a high/low temperature monitor.

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Software programming Kit -
Configuration software & USB cable
Battery Backup option.
External temperature probe.
SIM Cards
Power supplies



Main benefits:

Be Informed - by custom SMS if the inputs are trigger.
Be in control - Send a SMS Text to switch the transistor output - open gates, reboot remote system etc.
Monitor - monitor for power cuts and temperature changes.
Two message recipients.
Power cut alerts.
Low running costs - Price of a text message per alert.
Status Message- Regular status message to confirm system active.
Tamper Alarm.

Home Alarm System Siren Ignored?

By adding the simple GSMWhiteBox into the siren output circuit the home owner and neighbour now receive a "Home Alarm Activated" SMS message as soon as the home alarm is trigger so the can respond.

Core Features & Specification:

2 x Digital Inputs - send custom SMS. Send mixture of messages on inputs opening, closing or both. Alert by call option.
1 x Transistor Output - 500mA 30vDC Max- control by SMS command.
Battery Backup Option- add an internal 9V battery for power fail/restore alerts
- lasts up to 12 hours.
Internal Temperature - monitor on-board temperature and alert on adjustable levels.
External Temperature option- add external temperature probes.
Scheduled Status Message - send periodic "watchdog" message.
Power Requirements - 12 to 15vDC
GSM Network - 900/1800MHz Dual
Operating Temperature - -30...+55°C
Antennae - Build-in (not suitable for mounting in metal enclosures
Dimensions -96x59x34mm


Contact SeNd Technology:

Tel: +44(0)1488 668 337

More Details:

GSMWhiteBox Data sheet

Programming Tools:

Easy set-up via

SMS messages
and PC software option
using USB



Other Products:

Need more inputs plus
email alerts?

Try Mobi.Control