
Product Overview
The TX433-JK-11 is a professional-grade 433MHz omnidirectional rubber rod antenna, specifically designed for Sub-1GHz wireless communication systems. Featuring a 2.5 dBi peak gain and a precision-tuned radiator, it ensures high stability and reliable signal penetration. Encased in durable, weather-resistant TPEE material, it is an ideal choice for LoRa modules, industrial IoT gateways, and smart security environments.

Technical Specifications
| Parameter | Technical Value |
|---|---|
| Frequency Range | 410 - 450 MHz (Center 433MHz) |
| Peak Gain | 2.5 dBi |
| VSWR | ⤠1.5 |
| Connector Type | SMA-J (SMA Male / Internal Thread & Needle) |
| Radome Material | TPEE (Weather-resistant) |
| Height | 110 mm |
| Polarization | Vertical Polarization |
Product Details
Straight Fixed Design
Features a compact straight rod structure for high durability and simplified installation in fixed-position industrial equipment.

Standard SMA-J Interface
Constructed with nickel-plated copper and gold-plated pins to ensure superior high-frequency signal transmission and anti-oxidation performance.
Professional Test Report
Verified with Agilent E5071C: VSWR consistently measured at ⤠1.5 @ 433MHz.

Ideal Applications
LoRa & LPWAN Systems
Ideal for long-range communication in smart agriculture and environmental sensors.
Industrial Automation
Reliable data transmission for wireless telemetry and remote monitoring nodes.
Resources
š Download Datasheet (PDF)FAQ
Q: Is this compatible with 433MHz modules?
A: Yes, it is fully compatible with any 433MHz wireless device featuring a standard SMA Female (SMA-K) interface.
Q: Can it be used in extreme weather?
A: The TPEE radome is weather-resistant, though we recommend additional waterproofing for long-term outdoor submersion.