SKU: IOWC-0109
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Reyax RYB2340 2.4GHz BLE Module w/ PCB Antenna

₹349.00 (Inclusive of all taxes)
Out of Stock

The Reyax RYB2340 is a compact, FCC/NCC-certified Bluetooth Low Energy (BLE) module based on the TI CC2541 SoC, featuring an integrated PCB antenna and metal shield for robust, low-power wireless connectivity in IoT and accessory designs.

Features

  • TI CC2541 SoC delivers Bluetooth 4.0 & BLE (Bluetooth Smart) connectivity for low-power, battery-operated devices.
  • Integrated PCB antenna simplifies SMT assembly and eliminates the need for an external antenna, saving board space.
  • Metal shielding cover provides effective EMI protection, ensuring stable RF performance in electrically noisy environments.
  • Simple 2-pin UART interface handles all transmit, receive, and wake-up functions, minimizing GPIO requirements.
  • Certified by FCC and NCC, operates from -40°C to +85°C, making it suitable for industrial and consumer applications.

Out of stock

Description

The Reyax RYB2340 module integrates Texas Instruments’ CC2541 system-on-chip, a proven solution for Bluetooth 4.0 and Bluetooth Low Energy (BLE) applications. Its architecture is optimized for minimal power consumption, supporting extended battery life in portable sensors, beacons, and smart accessories. The module’s built-in PCB antenna is tuned for the 2.4GHz ISM band, providing a reliable wireless link without the complexity of external antenna matching.

Encased in a metal shield, the module offers enhanced resistance to electromagnetic interference, crucial for maintaining signal integrity in compact or densely packed electronic assemblies. Communication is streamlined via a simple UART interface, allowing for easy integration with host microcontrollers for peer-to-peer data transfer, remote control, or beacon functionality. With its industrial-grade temperature tolerance and regulatory certifications, the RYB2340 is engineered for scalable deployment in both consumer electronics and demanding IoT environments.

Key Features

  • Bluetooth 4.0 Dual-Mode & BLE (Bluetooth Smart) support for flexible connectivity profiles.
  • High-performance, low-power TI CC2541 RF SoC at its core.
  • On-board PCB antenna designed for surface-mount technology (SMT) processes.
  • Metal enclosure provides shielding against electromagnetic interference (EMI).
  • Simplified host control via a 2-pin UART interface for data and wake-up signals.
  • Direct Peer-to-Peer (P2P) Bluetooth communication capability.
  • FCC and NCC certified for compliant commercial deployment.
  • Extended operational temperature range from -40°C to +85°C.

Applications

  • Smartphone and tablet accessories (keyboards, remotes, game controllers).
  • Wireless sensor nodes for home automation and IoT data logging.
  • Proximity beacons for indoor positioning and asset tracking systems.
  • Remote control units for consumer electronics and toys.
  • Low-power data bridges in portable medical or fitness devices.

Technical Specifications

Wireless SoCTI CC2541
Wireless ProtocolsBluetooth v4.0, Bluetooth Low Energy (BLE)
Frequency Range2.379 - 2.496 GHz
AntennaIntegrated PCB Antenna
Key Interface2-pin UART (TX, RX)
Operating Temperature-40°C to +85°C
CertificationsFCC, NCC
Typical RangeUp to 10 meters

Frequently Asked Questions

How do I communicate with the Reyax RYB2340 module from my microcontroller?

The module uses a simple 2-pin UART (TX/RX) interface. Connect your host MCU's UART TX pin to the module's RX pin and vice-versa. Communication is handled via specific AT commands for data transmission, reception, and module configuration. Ensure you use the correct baud rate (typically 9600 or 115200) as specified in the datasheet and provide a stable 3.3V power supply.

Does this module support Bluetooth Classic as well as Bluetooth Low Energy?

Yes, the Reyax RYB2340, based on the TI CC2541 SoC, supports the dual-mode Bluetooth 4.0 standard. This includes both Bluetooth Classic (BR/EDR) for higher data throughput and Bluetooth Low Energy (BLE) for ultra-low-power, intermittent data connections. You can configure the module for the appropriate profile depending on your application's power and data rate requirements.

What is the purpose of the metal shield on the module, and can I remove it?

The metal shield is a critical component for electromagnetic compatibility (EMC). It acts as a Faraday cage, shielding the sensitive RF circuitry from external electromagnetic interference (EMI) and preventing the module's own RF emissions from disrupting nearby components. You must not remove the shield, as doing so will void certifications (FCC/NCC) and likely degrade the module's wireless performance and stability.

What is the typical power consumption and how do I implement sleep modes?

The TI CC2541 is designed for low-power operation. Current draw varies based on RF transmit power and operational mode (advertising, connected, sleep). The module supports deep sleep modes controlled via the UART interface. To minimize power, configure the module to enter sleep via specific AT commands when idle. Always refer to the CC2541 datasheet for detailed current consumption figures under different load conditions to design your power supply.

Package Includes

  • 1 x Reyax RYB2340 2.4GHz Bluetooth Low Energy Module

Additional Information

Weight 0.005 kg
Dimensions 3 × 5 × 2 cm