Telecoms, Datacoms, Wireless, IoT


ZigBee module on a stick

12 November 2008 Telecoms, Datacoms, Wireless, IoT

Telegesis has released an updated version of its Zigbee transceiver in USB stick form.

The ETRX2USB is based on the Ember EM250 2,4 GHz ZigBee compliant radio transceiver and features mesh networking using the latest EmberZNet 3.1 ZigBee PRO software. The USB stick is compatible with Telegesis’ range of Zigbee mesh networking modules and provides an easy route to Zigbee-enable a PC or any USB device to monitor and control a ZigBee network.

The height of the new USB stick has been reduced by over 30% and overall volume reduced by over 40%. Additionally, a new redesigned light pipe in the casing allows a clear visual indication of ZigBee network activity via an onboard LED.

The ETRX2USB module is a full speed USB 2.0 device; powered by the USB bus, the module supports low power modes and can be configured as a ZigBee coordinator, router or end device. The new stick is also available as a PA version with additional power amplification offering a boosted output power.

The USB stick acts effectively as a USB 2.0 to serial bridge and by using a virtual COM port, the AT command set can be easily accessed by host application software.

As a starting point for designers, Telegesis supplies its Telegesis Terminal software with the USB stick. This application is specifically designed to let designers quickly gain an understanding of how the Telegesis AT command set is used to manage a network of ZigBee devices and helps in connecting to ZigBee modules by sending commands and viewing responses received from remote devices.

For designers aiming to develop custom firmware, the device includes an in-circuit programming/debugging header accessible under a small rubber seal on the side of the USB stick.

For more information contact Larry Gordon, CST Electronics, +27 (0)11 608 0070, lgordon@cstelectronics.co.za, www.cstelectronics.co.za



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