CelerSMS Products

Welcome to our featured section containing tools, apps and products!



AT Emulator The AT Emulator is a free tool, which can be used to emulate a communication device, like a modem. The AT interface can be accessed through the console, a TCP or telnet connection or a virtual COM port. The emulator is implemented in Java, it can be used in Windows or Linux/Unix.
CelerCOM CelerCOM is a free minimalistic Java library, which can be used to interact with external devices over COM ports, for example: USB, virtual COM. The library has no external dependencies. Native drivers are included for 32-bit and 64-bit Windows and Linux. A pure Java driver is available as a fallback for other OS and architectures.



GAVIoTA automates the location tracking of IoT assets, metrics collection and visualization. For example, the IoT assets can be beacons or tags and the metrics can be temperature, humidity, battery level, availability, location.

This solution was designed to reduce the operational costs by supporting multi-vendor ecosystems, featuring web-based hosting capabilities, not requiring any external components.

Please, check the Product Brochure for more information.


Android Mobile Apps

Radar The Radar is an Android application designed to track and monitor Bluetooth Low Energy (BLE) beacon devices, like smart bands, HT sensors, proximity beacons and others. The app is compatible with Android smartphones, tablets and even TV devices.

There is a freeware version available without any ads or trials. Enjoy!
SMS Proxy If your smartphone can send and receive SMS, the SMS Proxy app can be used as an SMS Center proxy. Any SMPP compliant SMS client can send and receive SMS through this proxy. This is useful to perform SMS automation, test new SMS services over-the-air, perform equipment homologation.

If you don't have access to a real SMSC or a bulk SMS provider, the SMS Proxy can be used as a simple alternative.



The Online KCV Calculator can be used to compute the Key Checksum Value (KCV) for an input cryptographic key. DES and 3DES are supported.
An Online Emoticon and Emoji Table featuring various pictograms grouped by category. The table can be used to copy and paste the selected pictogram.
A Collection of Telecommunication Icons. It's free for any use, including commercial.