RF Module RFM69HW-868S2R

Looking for Rfm69hw Module? RF Module RFM69HW-868S2R is available at Zbotic with fast shipping across India.

RF Module RFM69HW-868S2R

The RFM69HW stands out as a formidable transceiver module capable of seamless operation across a broad spectrum of frequencies, spanning the 315, 433, 868, and 915MHz license-free ISM bands. Its versatility extends to the programmability of all major RF communication parameters, with the majority being dynamically configurable.

One of the RFM69HW’s notable features is its ability to switch between programmable narrow-band and wide-band communication modes, offering users unparalleled flexibility to tailor communication protocols to their specific needs. Furthermore, the module is meticulously engineered for optimal performance, striking a balance between low power consumption and high RF output power, all while ensuring channelized operation.

Compliant with ETSI and FCC regulations, the RFM69HW adheres to stringent industry standards and regulatory requirements, providing users with peace of mind regarding its reliability and legal compliance. To facilitate enhanced utilization of RFM69HW modules, this specification delves into a comprehensive exploration of the parameters and functions of its core chip, RF69H’s, even covering those IC pins not externally accessible. This wealth of information empowers users to gain deeper insights into the module’s performance characteristics, thereby sharpening their application skills and maximizing the module’s potential.

Applications

1.  Automated Meter Reading.
2.  Wireless Sensor Networks.
3.  Home and Building Automation.
4. Wireless Alarm and Security Systems.
5. Industrial Monitoring and Control.
6. Wireless M-BU.

Features

1. High Sensitivity: down to -120 dBm at 1.2 kbps.
2. High Selectivity: 16-tap FIR Channel Filter.
3. Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm,80.
4. dB Blocking Immunity, no Image Frequency response.
5. Low current: Rx = 16 mA, 100nA register retention.
6. Constant RF performance over voltage range of module.
7. Fully integrated synthesizer with a resolution of 61 Hz.
8. FSK, GFSK, MSK, GMSK and OOK modulations.
9. Built-in Bit Synchronizer performing Clock Recovery.
10. Incoming Sync Word Recognition
11. Automatic RF Sense with ultra-fast AFC.
12. Built-in temperature sensor.

Specification

Package Includes

• 1 x RF Module RFM69HW-868S2R.

RF Module RFM69HW-868S2R Overview

The RF Module RFM69HW-868S2R is a 868 MHz ISM-band transceiver designed for reliable, low-power wireless data transmission. It is ideal for building point-to-point or mesh networks in applications such as remote sensing, home automation, and telemetry.

Key Features of RF Module RFM69HW-868S2R

• Frequency: 868 MHz license-free ISM band operation
• Programmable output power from –18 dBm to +20 dBm in 1 dB steps
• FSK data rates up to 300 kb/s for high-speed transfers
• Wide dynamic range RSSI of 115 dB+ for robust signal detection
• Low supply voltage of 3.3 V with operating temperature from –20 °C to +70 °C
• Operating RF input level up to 0 dBm and digital port load capacitance of 25 pF
• Genuine product, fast shipping from Zbotic across India

Applications and Use Cases

• Wireless sensor networks for environmental monitoring
• Home automation systems: smart lighting, door sensors, HVAC control
• Agricultural telemetry: soil moisture and weather station data
• Industrial control links for machinery status and alarms
• Battery-powered asset tracking and inventory management
• Security and alarm systems with encrypted data transmission

How to Use RF Module RFM69HW-868S2R

Mount the RFM69HW-868S2R on a breakout or custom PCB, supply it with a stable 3.3 V rail, and connect SPI lines (MOSI, MISO, SCK, NSS) to your microcontroller. Attach a proper 868 MHz antenna to the RF pin, then configure frequency, output power, and data rate via the module’s registers. Begin data exchange by initiating TX/RX commands over SPI.

Why Buy from Zbotic?

• Genuine Products: All items sourced from authorized distributors
• Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
• Free Shipping: Free delivery on qualifying orders
• COD Available: Cash on Delivery, UPI, cards, net banking
• Technical Support: Expert help for setup and troubleshooting
• Easy Returns: Hassle-free replacement for defective products

Frequently Asked Questions

Can I use the RFM69HW-868S2R in a mesh network?

Yes, the module supports dynamic configuration of RF parameters and can be integrated into library-based mesh protocols to form self-healing networks.

How do I adjust the output power level?

Via SPI register settings (PALEVEL and PARAMP), you can step the output power from –18 dBm up to +20 dBm in precise 1 dB increments for range or battery optimization.

What antenna should I use with this module?

Use a 50 Ω antenna tuned for 868 MHz (e.g., quarter-wave whip or PCB trace antenna) to ensure optimal radiation efficiency and match the module’s RF output.