NRF24L01+PA+LNA with USB Interface, Ceramic Antenna

The NRF24L01+PA+LNA with USB Interface is a versatile wireless communication module that integrates a ceramic antenna and a USB interface. Featuring the RFX2401C RF front-end amplifier chip, it delivers enhanced signal strength and long-range communication capabilities. Designed for industrial and IoT applications, it operates via AT commands through a virtual serial port. The module ensures reliable performance in noisy environments and retains system parameters after power-down.

Specifications of NRF24L01+PA+LNA with USB Interface

• IC: NRF24L01+

• Frequency: 2.4GHz

• Input Voltage: 1.9V ~ 3.6V

• Transmitting Power: +7dB

• Receiving Sensitivity: ≤ -90dB

• Data Rate: 2Mbps, 1Mbps, 250Kbps

• RX Mode Current:

  • 2Mbps: 15mA

  • 1Mbps: 14.5mA

  • 250Kbps: 14mA

• Sleep Mode Current: 15µA

• Power-Off Current: 700nA

Features

• USB Interface: Communicates via virtual serial port using AT commands.

• RFX2401C Chip: Boosts wireless signal strength with +22dBm output power.

• Built-in Watchdog Timer: Prevents system lock-ups for stable operation.

• Parameter Retention: Stores configurations even after power-off.

• Industrial Compatibility: Operates effectively in noisy environments.

• Maximum Data Length: Sends/receives up to 31 bytes per message (32 bytes total with length byte).

AT Commands

• Set Serial Baud Rate: AT+BAUD=n (n=1–7 for 4800–115200bps)

• Wireless Rate: AT+RATE=n (n=1 for 250Kbps, 2 for 1Mbps, 3 for 2Mbps)

• Set Local Address: AT+RXA=0x??,...

• Set Destination Address: AT+TXA=0x??,...

• Set Communication Channel: AT+FREQ=2.xxxG (2.400–2.525GHz)

• Set CRC Checksum: AT+CRC=n (n=8 or 16 for 8-bit or 16-bit CRC)

• Query System Parameters: AT?

• Factory Reset: AT+init

• Query Firmware Version: AT+VER

Applications

• IoT systems

• Wireless communication in industrial environments

• Remote sensing and control

• Robotics

• Automation systems

Development Resources of NRF24L01+PA+LNA with USB Interface

• CH340 USB Driver

• Datasheet: Not available.