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, the 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-434 is 434 MHz Si4455 Two-Way Sub-GHz Key Fob to LED Receiver Stick