FS1000A 433Mhz RF Wireless Transmitter and Receiver

FS1000A 433MHz RF Wireless Transmitter and Receiver Module is a popular and cost-effective solution for establishing one-way wireless communication between microcontrollers over short to medium distances. This pair consists of a compact saw-stabilized transmitter and a high-sensitivity super-regenerative receiver, both tuned to the 433.92 MHz frequency band. Furthermore, the module simplifies the implementation of remote control systems by allowing data transmission through a simple serial bitstream. Consequently, hobbyists and engineers frequently pair this set with Arduino or Raspberry Pi boards using libraries like RadioHead or VirtualWire to handle noise filtering and data integrity. Therefore, you should consider this module for any project requiring basic wireless data transfer without the complexity or expense of Wi-Fi or Bluetooth.

Key Features:

• Amplitude Shift Keying (ASK): The module uses ASK modulation, which ensures straightforward integration with standard digital logic levels.
• Compact Form Factor: Both the transmitter and receiver boast small footprints, making them ideal for space-constrained remote sensor nodes.
• Variable Operating Voltage: The transmitter accepts a wide voltage range, however, increasing the voltage directly boosts the transmission range.
• SAW-Stabilized Design: The transmitter utilizes a Surface Acoustic Wave (SAW) resonator to ensure precise frequency stability and minimal drift over time.
• Ease of Use: This module pair requires only three connections per board (VCC, GND, and Data), drastically reducing wiring complexity.

Technical Specifications:

• Operating Frequency: 433.92 MHz
• Transmitter Operating Voltage: 3 V to 12 V DC (Higher voltage equals more range)
• Receiver Operating Voltage: 5 V DC (±0.5 V)
• Transmission Range: ≈ 20 m to 200 m (Depends on voltage and antenna quality)
• Data Transfer Rate: ≤ 10 Kbps
• Transmitter Power: 10 mW
• Receiver Sensitivity: −105 dBm

Mechanical Specifications:

• Mounting Type: Through-hole pin headers (2.54 mm pitch)
• Material: Standard FR4 PCB with green solder mask
• Antenna Support: Includes dedicated solder pads for adding a 17.3 cm whip antenna for maximum distance.

Dimensions:

• Transmitter Size: 19 mm x 19 mm
• Receiver Size: 30 mm x 14 mm
• Pin Pitch: 2.54 mm (Standard breadboard compatible)

Pinout and Wiring:

• Transmitter Pin 1 (DATA): Connect to the digital output or TX pin of your microcontroller.
• Transmitter Pin 2 (VCC): Connect to a 3 V to 12 V DC power source.
• Transmitter Pin 3 (GND): Connect to the system ground.
• Receiver Pin 1 (VCC): Connect to a regulated 5 V DC supply.
• Receiver Pin 2 & 3 (DATA): Both pins output the same received data; connect either to your MCU’s digital input or RX pin.
• Receiver Pin 4 (GND): Connect to the system ground.

Datasheet Reference:

• Download FS1000A 433MHz RF Module Datasheet

Commonly Used in:

• Arduino Projects: Used widely for wireless doorbell clones, remote weather stations, and simple RC cars.
• Home Automation: Interfacing with commercially available 433MHz wireless sockets and light switches.
• Security Systems: Serving as the communication link for wireless window and door vibration sensors.

Applications:

• Wireless Data Logging: Transmitting sensor readings from a remote battery-powered node to a central hub.
• Remote Keyless Entry: Implementing basic garage door or gate openers with fixed-code encoding.
• Paging Systems: Sending short alerts or trigger signals within a warehouse or residential building.

Equivalent Models:

• SYN115/SYN480R: High-performance 433MHz chipset variants offering better sensitivity and stability.
• HC-12: A more advanced transceiver module that includes a built-in MCU for transparent serial communication, however, it is significantly more expensive.
• XY-MK-5V: A common alternative part number for the same super-regenerative 433MHz receiver module.

Package Includes:

• 1 x FS1000A 433MHz RF Transmitter Module
• 1 x 433MHz RF Receiver Module