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The nRF51802 is an ultra-low power, cost-effective System-on-Chip (SoC) designed by Nordic Semiconductor for Bluetooth Low Energy (BLE) and 2.4 GHz proprietary wireless applications. It is a variant of the popular nRF51822, offering similar functionality with minor performance differences to achieve a lower price point.
Modules based on the nRF51802, such as the RF-BM-ND02C, are commonly used for battery-powered Internet of Things (IoT) devices, wearable technology, and beacons.
Key Features of nRF51802
- Processor: 32-bit ARM Cortex-M0 CPU
- Memory: 256 KB Flash and 16 KB RAM
- Wireless Protocols: Bluetooth 4.2 BLE and 2.4 GHz proprietary
- Peripherals: Includes Programmable Peripheral Interconnect (PPI), AES encryption, UART, and GPIO
- Radio Power: Programmable output power from +4dBm to -20dBm
- Power Supply: Wide supply voltage range (1.8 V to 3.6 V)
Comparison to nRF51822
While highly similar to the nRF51822, the nRF51802 has specific, minor performance differences:
- RX Sensitivity: 2 dB lower (less sensitive).
- Power Consumption: Slightly higher RX and TX peak currents.
Popular nRF51802 Modules & Development
- RF-BM-ND02C: An nRF51802 module featuring a 16.0 MHz crystal, LC filter, antenna matching, and a meander line inverted-F PCB antenna. It is designed with a 1.27-mm pitch stamp stick package for easy assembly.
- Development Tools: Development for the nRF51802 is supported by the nRF51 Development Kit (nRF51 DK).
- SoftDevices: Compatible with Nordic's SoftDevices (protocol stacks) such as the S120 or S130.
Typical Applications
- Beacons (iBeacon, Eddystone)
- Wearable sensors
- Smart home devices
- Bluetooth Low Energy Remote Controls
- Industrial IoT sensor nodes
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Web results
nRF51802 Bluetooth low energy SoC
Nordic Semiconductor
https://www.nordicsemi.com › Products › nRF51802
Nordic Semiconductor
https://www.nordicsemi.com › Products › nRF51802
The nRF51802 is a general purpose, ultra-low power SoC ideally suited for Bluetooth® Low Energy and 2.4 GHz proprietary wireless applications.Read more
2pcs lot Small Size NRF51802 Bluetooth 4.0 BLE Module
Amazon.com
https://www.amazon.com › 2pcs-Small-NRF51802-Blue...
Amazon.com
https://www.amazon.com › 2pcs-Small-NRF51802-Blue...
Buy 2pcs lot Small Size NRF51802 Bluetooth 4.0 BLE Module: Power Converters - Amazon.com ✓ FREE DELIVERY possible on eligible purchases.
nRF51802 - Get Started
Nordic Semiconductor
https://www.nordicsemi.com › Products › GetStarted
Nordic Semiconductor
https://www.nordicsemi.com › Products › GetStarted
The nRF51802 is a general purpose, ultra-low power SoC ideally suited for Bluetooth® Low Energy and 2.4 GHz proprietary wireless applications.Read more
NRF51802-QFAA-R Nordic Semiconductor ASA
DigiKey
https://www.digikey.com › ... › RF Transceiver ICs
DigiKey
https://www.digikey.com › ... › RF Transceiver ICs
Order today, ships today. NRF51802-QFAA-R – IC RF TxRx Only Bluetooth Bluetooth v4.1 2.4GHz 48-VFQFN Exposed Pad from Nordic Semiconductor ASA.
$9,607.95$4.99 delivery30-day returns
Popular products
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Web results
BLE4.2 Module with Nordic nRF51802 Chip RF-BM-ND02C
Shenzhen RF-star Technology Co., Ltd.
https://www.rfstariot.com › BLE Module
Shenzhen RF-star Technology Co., Ltd.
https://www.rfstariot.com › BLE Module
RF-BM-ND02C is a BLE4.2 module developed for the high reliability, high-performance requirements of battery-powered IoT products. This nRF51802 module with ...Read more
nRF51802
光電企業股份有限公司
http://www.opto-sensor.com.tw › upload › 1553...
光電企業股份有限公司
http://www.opto-sensor.com.tw › upload › 1553...
PDF
The nRF51802 is an ultra-low power 2.4 ... high and low frequency oscillators and distribute them to modules based upon a module's individual requirements.Read more
85 pages
Nordic nRF51802 BLE4.2 Module: Real-World ...
AliExpress
https://www.aliexpress.com › wiki-ssr › article › ble4
AliExpress
https://www.aliexpress.com › wiki-ssr › article › ble4
The blog evaluates real-world performance of the Nordic nRF51802 BLE4.2 module in low-power IoT applications, confirming strong range, stability, ...
1PCS NRF51802-QFAA-R7 NRF NRF51802 NRF51802- ...
eBay
https://www.ebay.com › ... › Couplers
eBay
https://www.ebay.com › ... › Couplers
1PCS NRF51802-QFAA-R7 NRF NRF51802 NRF51802-QFAA NRF51802-QFAA-R QFN-48 #98HY ; Condition. New ; Time left. 4d 9h4 days 9 hours ; Quantity. More than 10 available.Read more
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Nordic Semiconductor NRF51802-QFAA-R
Symmetry Electronics
https://www.symmetryelectronics.com › products › nrf5...
Symmetry Electronics
https://www.symmetryelectronics.com › products › nrf5...
Nordic Semiconductor NRF51802-QFAA-R ; Country of Origin, Not Available ; Mounting Style, SMD/SMT ; Package / Case, QFN-48 ; Standard Pack Qty, 3000 ; Technology, Si.Read more
$1.88
RF-BM-ND02C nRF51802 Bluetooth 4.2 Low Energy Module
Shenzhen RF-star Technology Co., Ltd.
https://www.rfstariot.com › uploadfile › downloads
Shenzhen RF-star Technology Co., Ltd.
https://www.rfstariot.com › uploadfile › downloads
PDF
May 26, 2023 — RF-BM-ND02C is an RF module based on Nordic BLE SoC nRF51802 with ARM® Cortex®-M0 32-bit processor. It integrates a 16.0 MHz crystal, ...Read more