Description: Fidus created this tiny ZigBee® module to be used within our customer’s wireless HVAC control product line. The design, based on an Ember® controller, offered excellent performance and range utilizing a simple whip antenna that was also designed by Fidus.

This design was obsessed with small size, extremely low-power, and low-cost. To keep costs to a minimum, Fidus worked with the crystal manufacturer to ensure that a standard crystal could be used, while still meeting the RF center frequency requirements. For further cost savings we restricted the layer count to 2, and ultimately replaced the whip antenna with a printed antenna.

Technologies: ZigBee, 802.15.4, antenna, printed antenna, UART

Layers: 2

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