XN297L series chip is a single-chip wireless transceiver chip which works on 2.400 - 2.483GHz universal ISM band. The chip integrates RF transceivers, frequency generator, crystal oscillators, modem modules and supports one to many networking and communication mode with ACK. Multiple peripheral SMD resistance and capacitance-inductance devices are integrated into the chip.
Supports external 5 components, including 1 crystal oscillator and 4 SMD capacitors
Supports RSSI testing function
With automatic scrambling code and CRC check function
Supports double layer or single layer printed circuit board design, you can use the PCB microstrip antennas
Configures slight parameter registers, easy to use
Four-wire SPI interface communication
SPI interface speed up to 4Mbps; supports maximum data length is 32 bytes (two-stage FIFO) or 4 bytes (single FIFO)
Supports automatic answering and automatic retransmission
Applied to wireless mouse and keyboard, TV and TV box remote control, wireless game controller, remote control toys, active wireless tag, smart home and security system
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