cdsenet
Cdsenet TX490-JK-11 490MHz 2.5dBi High-Stability Rubber Rod Antenna
Cdsenet TX490-JK-11 490MHz 2.5dBi High-Stability Rubber Rod Antenna
10000 in stock
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SKU:tx490-jk-11
Product Overview
The TX490-JK-11 is a professional-grade 490MHz omnidirectional rubber rod antenna, meticulously engineered for high-stability wireless communication in the sub-GHz band. Featuring a 2.5 dBi peak gain and a flexible, compact design, it significantly enhances signal transmission for short-to-medium range RF modules. Encased in durable, weather-resistant materials, it ensures reliable performance for industrial IoT and smart metering systems.
Technical Specifications
| Parameter | Technical Value |
|---|---|
| Frequency Range | 470 - 510 MHz (Center: 490MHz) |
| Peak Gain | 2.5 dBi |
| VSWR | ≤ 1.5 |
| Connector Type | SMA-J (SMA Male) |
| Antenna Height | 110 mm |
| Impedance | 50 Ω |
| Polarization | Vertical Polarization |
| Power Capacity | 10W |
Product Details
Highly Flexible Rubber Rod
Constructed with high-quality flexible materials, the antenna is resistant to bending and mechanical stress, making it ideal for portable devices and outdoor terminals.
Standard SMA-J Interface
Made of premium nickel-plated copper with gold-plated pins to facilitate stable high-frequency signal transmission and prevent oxidation.
Professional Test Report
Verified with Agilent E5071C: VSWR measured at ≤ 1.5 at 490MHz, ensuring peak efficiency.
Ideal Applications
Industrial Wireless Control
Remote telemetry nodes and industrial sensors using the 490MHz frequency band.
Smart City & Agriculture
Wireless meter reading (Water/Gas) and smart irrigation monitoring systems.
Resources
📄 Download Datasheet (PDF)FAQ
Q: Is this antenna waterproof?
A: The antenna is weather-resistant, but for long-term underwater or extreme outdoor environments, we recommend protecting the connector base.
Q: Can I use this for 433MHz modules?
A: This antenna is optimized for 470-510MHz. For 433MHz, please choose our TX433 series for the best VSWR and signal quality.