433MHz Rubber Duck Antenna for LoRa, IoT and Industrial Communication
- Optimized for 433MHz ISM Band
- 2dBi High Gain
- Omni Directional Coverage
- Low VSWR Design
- SMA Male Connector
- RoHS Compliant
What is a 433MHz Rubber Duck Antenna ?
A 433MHz rubber duck antenna is a compact, flexible, omnidirectional antenna designed to transmit and receive radio signals in the 433MHz ISM (Industrial, Scientific, and Medical) band. It is one of the most commonly used antennas for LoRa, wireless sensors, remote controls, telemetry systems, smart metering, and industrial IoT applications.
It is commonly used in:
- LoRa systems
- Remote controls
- Wireless sensors
- Telemetry equipment
Key Features
- Optimized for 433MHz ISM Band-Designed for 433.92MHz wireless communication systems
- Omni Directional Coverage– 360° radiation pattern provides reliable signal reception and transmmion
- Low VSWR Design-Efficient impedance matching minimizes reflected power and improves communication reliability
- Industrial-Grade Reliability-Suitable for long-term deployment in industrial environments
- Durable Rubber Housing– Flexible antenna structure protects the internal radiator
- OEM & ODM Available– Custom connector,cable length, branding and packing services available


Typical Applications
- LoRa Networks
433MHz rubber duck antennas are widely used in: LoRa Nodes, LoRa Gateways, LPWAN Networks
- Smart Metering
Suitable for : Water Meters, Gas Meters and Electricity Meters, Soil Monitoring
- Industrial IoT
Used in: Remote Monitoring Systems, Wireless Data Acquisition and Industrial Automation
- Security Systems
Commonly used for: Wireless Alarms, Access Control Devices and Remote Control Systems
Available Customization Options
- Frequency Options
433MHz, 868MHz,915MHz , GSM and 4G LTE
- Connector Options
SMA Male, RP SMA Male, BNC, TNC, N type and U.FL / IPEX
- Mechanical Customization
Housing Color, LOGO Printing and Packing Design

Advantages of 433MHz Rubber Duck Antenna


A 433MHz rubber duck antenna offers long communication range, strong obstacle penetration, omnidirectional coverage, low power consumption, and easy installation. These advantages make it an excellent choice for LoRa networks, industrial IoT systems, smart metering, telemetry, security devices, and wireless sensor applications.
Why Choose a 433MHz Antenna ?

| Feature | 433MHz Antenna | 2.4GHz Antenna |
|---|---|---|
| Communication Range | Longer | Shorter |
| Wall Penetration | Better | Moderate |
| Power Efficiency | Higher | Lower |
| LoRa Compatibility | Excellent | Limited |

| Application | Recommended Type |
|---|---|
| LoRa Node | Rubber Duck |
| Gateway | Fiberglass |
| Vehicle | Magnetic Mount |
| Embedded Device | PCB Antenna |
Antenna Specifications
- Data Sheet
- 433MHz Rubber Duck Antenna Drawings
| Parameter | Specification |
|---|---|
| Model | MS-433XZD-001 |
| Frequency Range | 433–435 MHz |
| Center Frequency | 433.92 MHz |
| Antenna Type | Rubber Duck Antenna |
| Radiation Pattern | Omnidirectional |
| Polarization | Vertical |
| Gain | 2 dBi |
| VSWR | ≤ 2.0 |
| Return Loss | ≥ 10 dB |
| Impedance | 50 Ω |
| Connector | SMA Male |
| Length | 108 ± 1 mm |
| Housing Material | TPE / ABS |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -45°C to +90°C |
| RoHS Compliance | Yes |

Related Product
About 433MHz Rubber Duck Antenna Questions
If you have any questions on 433MHz antenna, plz check the following questions, if can’t find it, also can contact me.
A 433MHz antenna is commonly used in LoRa communication, industrial IoT, telemetry, smart metering, wireless sensors, and remote monitoring systems.
Transmission range depends on antenna gain, installation environment, output power, and receiver sensitivity. In open environments, communication distances can range from hundreds of meters to several kilometers.
Yes. The antenna is suitable for most 433MHz LoRa modules including SX1278-based devices and compatible wireless transceivers.
Yes. We provide OEM and ODM services including frequency tuning, connector customization, cable assemblies, logo branding, and packaging.












