The NRF24L01 PA LNA Wireless Antenna module communicates at 2.4 GHz ISM (Industrial Scientific and Medical) band and reaches up to 1000 meters in open areas. PA stands for Power Amplifier (a circuit that increases the transmit signal strength) and LNA stands for Low Noise Amplifier (a circuit that boosts weak incoming signals without adding much noise). The nrf24l01 pa lna sma antenna 2.4 ghz uses SPI (Serial Peripheral Interface), a four-wire communication protocol that most microcontrollers support natively. The external detachable antenna clips off and can be replaced or angled for better coverage.
The 2.4 ghz wireless communication module uses a data rate range from 250 kbps to 2 Mbps. One non-obvious detail — at 250 kbps the module is more sensitive and achieves better range than at 2 Mbps. Higher data rate means shorter range. That is the core trade-off. The nrf24l01 wireless module with antenna runs at 3.3V DC only. Connecting the VCC pin to 5V will permanently damage it. Many students make this mistake with Arduino UNO which supplies 5V by default — always use the 3.3V pin or a regulator.
The nrf24l01 wireless module 2.4 ghz pairs with Arduino IDE, STM32CubeIDE, and PlatformIO easily through SPI pins. Engineering students building wireless sensor pairs, hobbyists making RC car controllers, and makers deploying multi-node sensor networks all use it. To start, wire CE, CSN, SCK, MOSI, MISO to your controller’s SPI pins, power from 3.3V, and use the RF24 library in Arduino IDE. StemVolt offers fast and reliable delivery of across India with trusted service support.
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Features:
- SPI interface at 3.3V DC connects to most microcontroller SPI buses without extra components
- PA plus LNA combination at 2.4 GHz extends range up to 1000 meters in unobstructed line-of-sight
- Data rate from 250 kbps to 2 Mbps allows trading off range for throughput based on project needs
- nrf24l01 wireless module datasheet confirms 2.4 GHz ISM band operation avoiding licensed frequency restrictions
Technical specifications:
| Specification | Details |
|---|---|
| Product Type | NRF24L01 PA LNA Wireless Antenna |
| Operating Frequency | 2.4 GHz ISM Band |
| Operating Voltage | 3.3V DC |
| Communication Interface | SPI |
| Range | Up to 1000 meters (open area) |
| Antenna Type | External Detachable Antenna |
| Power Amplifier | Included (PA + LNA) |
| Data Rate | 250kbps to 2Mbps |
Applications:
- Wireless temperature monitor uses this module to send readings between two rooms without wires
- RC car controller project uses this to send joystick commands up to 100 meters outdoors
- NRF24L01 PA LNA Wireless Antenna connects two Arduino nodes to exchange sensor data at 250 kbps
- nrf24l01 pa lna wireless module with antenna builds a multi-node sensor mesh covering a 500 metre field
- Drone telemetry system reads flight data and transmits status packets over 2.4 GHz to a ground station
Package includes:
- 1 x 2.4GHz NRF24L01 PA LNA Wireless Antenna
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