433MHz 3dBi Spring Antenna with IPEX/IPX U.FL Connector is a compact high-performance RF antenna designed for LoRa, wireless communication, IoT devices, telemetry systems, remote monitoring, smart agriculture, industrial automation, and long-range RF communication projects. Available from BDTronics Bangladesh for reliable signal transmission and enhanced wireless performance.

This 433MHz spring antenna features a flexible RF1.13 cable with IPEX/U.FL connector, making it ideal for LoRa SX1278, Si4463, CC1101, HC-12, and other 433MHz wireless modules. The compact spring design provides excellent signal reception and transmission while occupying minimal space inside enclosures and embedded devices.

Designed for low VSWR and 50-ohm impedance matching, the antenna helps improve communication range, signal stability, and wireless reliability in IoT and RF applications.

Features:

• Optimized for 433MHz wireless communication

• High efficiency 3dBi gain antenna

• Compact spring antenna design

• Pre-installed RF1.13 cable for easy installation

• IPEX/IPX U.FL connector for direct module connection

• Low VSWR for improved RF performance

• 50-ohm impedance matching

• Suitable for long-range LoRa communication

• Lightweight and compact construction

• Reliable signal transmission and reception

• Easy integration into wireless projects

• Compatible with indoor and outdoor IoT systems

• Durable spring structure for stable performance

• Ideal for embedded wireless devices

• Available from BDTronics Bangladesh

Applications:

• LoRa wireless communication systems

• SX1278 LoRa modules

• Si4463 RF modules

• CC1101 transceivers

• HC-12 wireless modules

• IoT sensor networks

• Smart agriculture monitoring

• Industrial automation systems

• Remote telemetry devices

• Home automation projects

• Wireless data transmission

• Smart metering systems

• GPS tracking devices

• Alarm and security systems

• Embedded RF projects

Compatible Modules

• SX1278 LoRa Module

• SX1276 LoRa Module

• SX1262 LoRa Module

• Silicon Labs Si4463

• CC1101 RF Module

• HC-12 Wireless Serial Module

• EBYTE 433MHz Modules

• Ai-Thinker LoRa Modules

• Heltec LoRa Boards

• Most 433MHz wireless modules with IPEX/U.FL connector

Benefits of Using a Dedicated 433MHz Antenna

• Improved communication range

• Better signal penetration through obstacles

• Reduced packet loss

• Higher signal stability

• Enhanced receiver sensitivity

• Better overall LoRa network performance

• Optimized antenna tuning for 433MHz operation

Installation Instructions

• Connect the IPEX/U.FL connector carefully to the RF module

• Avoid excessive bending of the RF cable

• Keep the antenna away from large metal surfaces

• Mount vertically for best signal performance

• Ensure secure connector attachment before operation

• Position antenna outside metal enclosures when possible

Package Includes:

• 1 × 433MHz 3dBi Spring Antenna with IPEX/U.FL Connector

Specifications:

• Product Type: Spring RF Antenna

• Frequency Range: 433MHz

• Antenna Gain: 3dBi

• VSWR: ≤1.5 @ 433MHz

• Input Impedance: 50Ω

• Antenna Diameter: 4.2mm

• Cable Length: 10cm

• Connector Type: IPEX / IPX / U.FL

• Cable Type: RF1.13 Coaxial Cable

• Mounting Style: Internal Spring Antenna

• Application: LoRa, RF, Wireless Communication

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