Nordic Semiconductor Low IF/ISM 433/868/915MHz RF Transceiver IC, 32-Pin QFN Package SPI Interface NRF905

Nordic Semiconductor NRF905 is an advanced RF Transceiver IC designed for low IF/ISM band communications, covering frequency ranges of 433 MHz, 868 MHz, and 915 MHz. The device is housed in a compact 32-pin QFN package, measuring 5mm by 5mm with a height of 0.85mm, facilitating easy integration into compact electronic designs. Operating on a wide supply voltage from 1.9V to 3.6V, the NRF905 is optimized for low power consumption, making it ideal for battery-powered applications.

This transceiver supports Gaussian Frequency Shift Keying (GFSK) modulation with a fixed data rate of 50kbps, enabling robust wireless data communication. Its built-in ShockBurst™ protocol automatically manages packet preamble and CRC, reducing the need for complex software handling and enhancing communication reliability. The device operates effectively in harsh industrial conditions with an operating temperature range from -40°C to +85°C.

The NRF905 features a single operating band with channel spacing tailored to the frequency band (100kHz for 433 MHz band and 200kHz for 868/915 MHz bands), providing flexibility for various wireless communication requirements. It achieves high receiver sensitivity at -100dBm for a bit error rate (BER) of 0.1%, enabling long-range and low-error transmissions.

Equipped with an SPI interface for host communication, the NRF905 supports seamless integration with microcontrollers and other digital systems. Its surface mount package enhances manufacturing efficiency and product miniaturization.

Typical applications for the NRF905 include wireless data communication systems, alarm and security systems, home automation, remote controls, surveillance, automotive telemetry, keyless entry, toys, and local communication modules for Internet of Things (IoT) devices. Its versatile features and industrial-grade specifications make it well-suited for a broad range of commercial and industrial wireless solutions.

The product is manufactured in the Philippines and meets no specific automotive or other industry standards but targets reliable performance in a variety of electronics components and systems.

Supports low IF/ISM technology for efficient RF transmission. Operates with a supply voltage range from 1.9V to 3.6V. Features GFSK modulation and data rate of 50kbps for stable data transfer. Includes ShockBurst™ protocol handling packet preamble and CRC automatically.

Dimensions are compact 5mm x 5mm with a height of 0.85mm. Operating temperature range from -40°C up to +85°C suitable for industrial environments. Single operating band with channel spacing of 100kHz to 200kHz depending on frequency band.

Receiver sensitivity of -100dBm ensures long-range communication capability. Designed for surface mounting using SPI interface for communication with host devices. Suitable applications include IoT devices, remote controls, telemetry, automotive systems, and home automation.

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