Simple Description:
This is a small, external antenna that helps improve signal strength for 433MHz wireless devices — commonly used with GSM/GPRS modules, remote controls, IoT devices, and similar radio equipment. Instead of relying on a device's small built-in antenna, this one connects externally for better reception and range.

It has a magnetic base, so it easily sticks to any metal surface (like inside a metal enclosure, a car body, or a metal cabinet) — no drilling or mounting hardware needed. A 3-meter (about 10 ft) cable gives you flexibility to place the antenna somewhere with better signal (like near a window or on top of an enclosure) while your device sits elsewhere. It connects using a standard SMA male plug, which fits most GSM/GPRS modules, routers, and radio modules that use an SMA female port.

Quick Specs:

• Frequency: 433MHz
• Gain: 3dBi
• Connector: SMA Male
• Cable Length: 3 meters (RG174)
• Mounting: Magnetic base (5cm)
• Best For: GSM/GPRS modules, IoT devices, remote sensors, radio modules

What's in the Box:

• 1 x 433MHz Antenna with Magnetic Base