

People Also Buy

NRF51822

NRF51822 BLE4 2.4GHz Bluetooth 4.0 Module

HC-05 Bluetooth Module
Found a better price?
Let us know!
We'll try to match the price for you
Package Includes:
- 1 x NRF51822 Ibeacon Wireless Bluetooth Module
Specifications:
Operating Voltage | 2V to 3.6V |
Frequency | 2402~2480MHz |
Number of channels | 40 |
Emission current | 10.5mA |
Transmission rate | 1Mbps |
Dimensions | 25x25x4mm |
Weight | 4g |
1. What is nRF51822?
The nRF51822 is a versatile System on Chip (SoC) engineered for Bluetooth Low Energy and 2.4 GHz proprietary wireless applications, offering ultra-low power consumption. It integrates a 32-bit ARM Cortex-M0 CPU, 256/128 KB flash, and 32/16 KB RAM. This single-chip solution is an effective multi-protocol solution for ULP wireless applications.
2. What is the difference between nRF51802 and nRF51822?
The nRF51802 is a cost-effective alternative to the nRF51822, with comparable features but slightly reduced performance, including 2 dB less RX sensitivity and marginally higher RX and TX peak currents. The nRF51822 is an established chip in its third edition, while the nRF51802 is a lower-cost variant with a weaker radio and higher current consumption. Both chips are multiprotocol SoCs developed for Bluetooth Low Energy applications.