Other RF Modules
- NRF24L01 - 2.4GHz, low power, short range
- HC-12 - 433MHz, long range, UART interface
- SX1278 (LoRa) - 433/868/915MHz, long range, low power
- ESP-01 (Wi-Fi) - 2.4GHz, TCP/IP support
- SIM800L - GSM/GPRS module for cellular communication
- XBee Series 1/2 - Zigbee or point-to-point RF communication
- CC1101 - Sub-1GHz, configurable for various protocols
Note: Choose based on range, data rate, power, and protocol needs.