Si4455 EZRadio Two Way Link Demo Kit contains everything you need to familiarize yourself with and evaluate the Si4455 Sub-GHz transceiver. The kit has three versions: one for the 434 MHz band, 868 MHz band and the 915 MHz band. The key features of the demo kit include four LEDs to display information and four push-buttons to receive user commands. The demo boards come with the Si4455 range test demo application. The range test demo implements Packet Error Rate (PER) measurement. PER is a commonly-used technique for measuring the quality of RF links in wireless systems under particular conditions.
EZR-LEDK2W-868: 868 MHz Si4455 Two-Way Sub-GHz Key Fob to LED Receiver Stick