2.4G Wireless Transceiver Module with NRF24L01 Chip
Module introduction
Designed base on Nordic's NRF24L01 wireless transceiver chip, DL-24N Serial RF modules are 2.4g wireless modules with small size, excellent performance and long distance, which are widely used in intelligent home, toys, model airplane, and the field of close digital transmission control. The sensitivity can reach -82dbm, the highest transmission rate can reach 2Mbps, and the output power can be configured in four levels from -20dbm to 0dbm through registers.
The module adopts stamp edge and half hole interface design, which can not only meet customers' SMT application, but also realize transverse and longitudinal welding through needle arrangement. The module adopts high precision, high temperature stability crystal, with compact size, is convenient for portable products, and has a very high cost performance, suitable for mass applications
Applications
● Wireless game controller, toys
● Wireless keyboard and mouse
● Consumer electronics and toy airplane models
● Wireless voice and audio
● Data monitoring and transmission
● Smart home control
● Remote controller supporting radio frequency (RF) technology
Features
● Open 120 meters transmission distance 250KHz
● Working frequency 2400-2483MHz
● Working frequency 2400-2483MHz
● Working voltage: 1.9V-3.6V
● Programmable carrier detection, digital RSSI output
● Excellent selectivity and out-of-band isolation performance
● Immersion Gold PCB-ANT with extremely high cost performance
● 10ppm precision SMD crystal, excellent performance
Technical Parameter
DC characteristics
| Description | Min. | Max. | Unit |
| Power supply voltage | 1.9 | 3.6 | V |
Working current | 11.3mA = 0dbm | 13.5mA = 2Mbps | mA |
Stand-by current | 26uA at Standby Mode | 0.9uA = Powerdown | uA |
| Working temperature | -40 | 85 | ℃ |
| Voltage of IO Port | Vss-0.3 | Vdd+0.3 | V |
| Rate range | 0.5 | 50 | Kbps |
Radio frequency characteristics (Unless otherwise stated, temperature 25 ℃, VCC 3.3V)
| No | Parameter | Reference Value Min.-Typ.-Max. | Unit |
| 1 | Applied Frequency Range | 2400,—，2483.5 | MHz |
| 2 | Frequency Interval | —,100K,— | Hz |
| 3 | Transmit Power (4 levels) | -18,-12,-6 | dBm |
| 4 | Receive sensitivity | —,-82,— | dBm |
| 5 | Modulation mode | —,GFSK,— | MSK |
| 6 | Transmission Speed | 1.2,—,2000 | Kbps |
| 7 | Harmonic power | -48,—,-45 | dBm |
| 8 | Communication Distance | 80,—,120 | M |
| 9 | Sensitivity at 2.4K | —,-95,— | dBm |
| 10 | Sleep Power Consumption | —,—,0.9 | uA |
| 11 | Crysta Precision *3225/16MHz | —,10,— | PPM |
Table 3: High Frequency Characteristic of the module
Pin Definitions
| Pin No | Pin’s Name | Description |
| 1 | VDD | Supply voltage, DC 1.9-3.6V |
| 2 | CE | Work mode selection, TX or RX mode selection |
| 3 | CSN | CSN=0 valid, SPI chip selection enable |
| 4 | SCLK | SPI clock |
| 5 | MOSI | SPI data input, MOSI |
| 6 | MISO | SPI data output, MISO |
| 7 | IRQ | Interrupt request port |
| 8 | GND | Module grounding，Reliably grounded and close to the system filter capacitor |
| ANT | PCB | The original standard package, PCB onboard antenna |
Note: The module integrates all RF related devices and has PCB on-board antenna, which can achieve good RF performance without any antenna configuration. It also integrates all radio frequency related functions, you can easily develop wireless products with stable performance and high reliability directly, which will extremely shorten the development cycle without in-depth understanding of RF circuit design.
