NRF24L01+2.4GHz Wireless Transceiver Module for Arduino MCU

NRF24L01P is also known as NRF24L01+.

• The real GFSK monolithic transceiver chip
• Built-in hardware and link layer
• Automatic response and automatic retransmission function
• Address and CRC check function
• Wireless rate: 1 or 2 MBPS
• SPI interface rate: 0 ~ 8MBPS
• 125 optional channels work
• Channel switching time is very short, can be used for frequency hopping
• Fully compatible with nRF24XX series
• I/O can accept 5v level of input
• ±60ppm 16MHz crystal
• Low working voltage: 1.9 ~ 3.6 V
• The global open ISM frequency band, the maximum 0dbm transmitted power, free license to use
• Transmission distance up to 100 meters in outdoor open occasions 

Wireless Bluetooth Transceiver Module RS232 / TTL HC-05

Hot Deal: $5.49 + Free Shipping

1. Introduction

• Brand new and high quality
• Suitable for Bluetooth adapter, Bluetooth phone use, master-slave can also be used in double
• Can be set for the module control parameters and control commands issued via AT commands
• Provide 7 input and output ports, scalable user IO resources
• Work status indicators; connection with the non-connection state signal output, easy to track the status of module MCU
• Great for embedded wireless serial transmission alternatives

2. Bluetooth Specification v2.0+EDR

• USB protocol: USB v1.1/2.0.
• Frequency: 2.4GHz ISM band
• Modulation: GFSK(Gaussian Frequency Shift Keying)
• Transmit power: not more than 4dBm, Class 2
• Sensitivity: not more than -84dBm at 0.1% BER
• Rate: Asynchronous: 2.1Mbps(Max) / 160 kbps
• Synchronous: 1Mbps/1Mbps
• Security features: Authentication and encryption
• Support profiles: Bluetooth serial port (master & slave)
• Power supply: +3.3VDC 50mA
• Working temperature: 5?C to 45?C
• Max. serial baud rate: 1382400bps, support for hardware flow control transfer
• Size:2.7cm x 1.3cm - 1.06inch x 0.51inch