FYZ1428 433MHz High-Power Wireless Transmitter Module – Up to 4 km Range

1. 433 MHz high-power RF transmitter module kit — compatible with Arduino and ARM microcontrollers. Achieves up to 4,000 meters range in open, unobstructed, interference-free environments.

2. DC 9 V powered wireless remote control kit — optimized for electronic door locks, intercom systems, doorbells, and other security or smart-home applications.

Specifications

• Product Name: Wireless Transmitter Module (4 km Range)
• Operating Frequency: 433 MHz
• Power Supply: DC 9 V
• Operating Current: >100 mA
• Maximum Transmission Distance: 4,000 meters (in open area, line-of-sight, no obstruction or interference)
• Construction: Plastic housing + electronic components

Package Includes

• 1 × FYZ1428 Transmitter Module (batteries not included)

Dimensions & Weight