Pay as you Go SIM card in your choice of network... Choose from 02, Vodafone or T-Mobile SIM card packs.   The packs are new prepaid SIM cards without credit.   Just call the customer service number or go online to activate & top up.

12V Relay for all kinds of switching jobs... This a very simple relay to switch up to 7 amps through the contact. Feed 12V in to the POS & NEG terminals and it switches the clean volt free contacts   Choose from open contact going closed (N/O) or closed contact going open (N/C). The output...

Audio recording device to allow voice messages to be recorded into the V-Lite (standard) & Z4-V (advanced) GSM Dialers. A 10 second voice message can be stored  per input so when the GSM dialer makes an alarm call, the User will hear the message if the call is answered.

Universal 12VDC Power Supply... Regulated power supply for use with any 12V product A good quality 12VDC power supply with a plug and socket. As it has a wires on the 240V side and 12V side, it can be easily wired into any system or plugged into a mains...

Manage your SIM card by PC....   This little device allows you to transfer information to & from your SIM card using the included PC software. It's very useful to take a back up of the information you send to the device for future reference. It's also great from Installers to simply...

Increase Mobile Network Strength....   This antenna and the vandal resitant version in options literally pick up double the signal of the standard internal antenna. If your GSM device is mounted inside a metal enclosure or metal surrounded area like a shed, you will need to fit  one of these...

Run your GSM intercom or Z4 Controller if the power fails...   This Battery back up kit suits SimEntry Z4 GSM controllers only. The battery fits neatly inside the Z4 enclosure (see image) and the seperate 14V battery charging power supply runs the Z4 controller and trickle charges the...

Simple Simple Simple... Do you wish a mobile phone was just a mobile phone? This is a very simple mobile phone with big easy to use buttons that does what a mobile phone is designed to do and not a whole lot more... Well it does have a couple of old school features built...