GERMA 433MHz Superheterodyne RF Transmitter & Receiver Module with Antenna for ArduinoUno DIY Wireless Kits

Application Environment

• Remote control switch and receiver module for motorcycles and automobiles
• Anti-theft products and home security solutions
• Electric and shutter doors, remote-controlled windows and sockets
• Remote control LED and audio systems
• Garage doors, retractable doors, and volume gates
• Door openers, closers, and remote control curtains
• Alarm systems, remote controlled vehicles, and MP3 players

Product Description

Receiver Module

Product Models: WL101-541, WL101-341

This superheterodyne wireless receiver module supports UHF ASK and OOK modulation. It features high sensitivity (-110dBm) and low power consumption, offering a dynamic range greater than 60dB. The integrated chip includes a low-noise amplifier, mixers, filters, and frequency synthesizer circuit for optimized signal reception.

• Supports ASK/OOK modulation with sensitivity of -110dBm.
• Operating frequency of 433.92 MHz, with a bandwidth of ±150 kHz.
• Mains input voltage range: 3.0V-5V; Working current: 5.0mA at VDD=5V, 6.0mA at VDD=3V.
• Quiescent current: 1uA with low power consumption.
• Complies with CE/FCC certifications, ensuring good selectivity and suppression of undesired signals.
• Allows multiple modules to work simultaneously without interference.
• Supports transmission rates up to 10 KHz.
• Temperature range: -40°C to 85°C.
• Ultra-compact size: 30.25 × 8.5 × 1 mm, customizable.
• Includes external 32CM single-core wire antenna, wound into a spiral.

Transmitter Module

Product Model: WL102-341

The WL102-341 UHF transmitter module supports ASK and OOK modulation. It integrates an analog PLL and ASK modulation circuit, making it suitable for short-range wireless communications. It operates at a frequency of 433 MHz with a transmit power greater than 11dBm.

• Supports ASK/OOK modulation with transmit power >11dBm.
• Operating frequency: 433.92 MHz.
• Mains input voltage range: 2.0V-3.6V.
• Low-power consumption with shutdown mode current of less than 1uA.
• Transfer rate up to 20 KHz.
• Transmission distance: 20-200 meters.
• Dimensions: 16 × 12 × 1 mm.
• External antenna: 25cm multi-core or single-core line.
• Temperature range: -45°C to 85°C.

Applications

• Wireless power switch, socket, and remote control systems.
• Access control, electric vehicles, and anti-theft solutions.
• Security and surveillance systems, home security, and electric doors.
• Remote control for rooms, doors, shutters, windows, and LED lights.
• Smart home products and remote audio systems.

Antenna Selection

General Application Mode

For general applications, use market-available antennas as follows:

• Core conductor diameter: 1.0mm (including skin), 0.5mm (excluding skin).
• Wire length: 17.5mm at weld end, 9.5mm at terminal.
• Antenna winding diameter: 5mm (including skin) with 15 turns.

Special Enhancement Mode

For increased communication distance, use the following enhanced antenna configuration:

• Core conductor diameter: 1.0mm (including skin), 0.35mm (excluding skin).
• Wire length at weld end: 12mm.
• Winding diameter: 3.0mm (excluding skin), with 26 turns and a winding length of 36mm.

Package Includes

• 1 Receiver + 1 Transmitter + 2 Antennas
• A Transmitter Module: 1 Transmitter
• A Receiver Module: 1 Receiver
• 5 Receiver Modules: 5 Receivers
• 5 Transmitter Modules: 5 Transmitters
• 10 Receiver Modules: 10 Receivers
• 10 Transmitter Modules: 10 Transmitters