BLE121LR-A-M256K

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RF Transceiver Modules are widely used in communication systems, and BLE121LR-A-M256K is one of them. This module integrates an external antenna and an onboard ARM Cortex-M0+ processor, making it a good choice for low-power, always-on applications. It is comprised of two main components: a transceiver and a processor. The BLE121LR-A-M256K module features an integrated antenna and a 32-bit ARM Cortex-M0+ processor with 256KB of Flash and 48KB of RAM. It also includes a BLE radio for wireless communication.

Application Field

The BLE121LR-A-M256K module is mainly applied to smart home devices, healthcare devices, fitness equipment and audio streaming systems. This module can also be used in industrial automation, robotics and automotive applications. Additionally, its long range enable it to be used for asset tracking and remote system management.

Working Principle

The working principle of the BLE121LR-A-M256K module is simple but effective. The processor receives data from the transceiver, processes it and then sends it to the receiver. The receiver then relays the data back to the transceiver, which then sends it to the processor. This process enables the data to be transmitted wirelessly.

The BLE121LR-A-M256K module is based on the Bluetooth 4.2 and 5.0 protocol standard, which enables it to transmit data over up to 1 km in optimal conditions. Additionally, it supports the new high-speed transmission system called LE2M, which supports data transmission speeds of up to 1 Mbps.

The BLE121LR-A-M256K module also features an integrated Power Management Unit (PMU). This PMU is designed to manage the power requirements of the module and reduce energy consumption. Additionally, it supports low-power operation when operating in low-power modes. The module can run on a single 1.8V power supply or a 3.3V power supply, allowing it to operate in both the 2.4GHz and 5GHz radio bands.

Due to its wide range of applications and its long-range capability, the BLE121LR-A-M256K module is an ideal choice for low-power, always-on applications. Additionally, its integrated antenna makes it easy to integrate into existing systems. The module also supports the latest high-speed transmission protocol, LE2M, enabling it to provide data transmission speeds of up to 1 Mbps.

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