Bk2461 Datasheet Online

// 4. Load 32 bytes into TX FIFO SPI_Write_Burst(0xA0, my_data, 32); // 0xA0 is TX payload command

The One-Liner: The BK2461 is a 2.4 GHz Transceiver + 8051 MCU designed for one job: screaming a signal over a mile away while running on a coin cell. bk2461 datasheet

The BK2461 is ugly, the documentation is painful, and the registers are cryptic. But if you need to send a "Open the gate" command from 1.2 km away on a CR2032 battery? There is nothing better. the documentation is painful

// 3. Set to MAX POWER SPI_Write(REG6, 0x00); bk2461 datasheet