cdsenet
Cdsenet TX490-JW-5 490MHz 2.0dBi Flexible LoRa Rubber Antenna
Cdsenet TX490-JW-5 490MHz 2.0dBi Flexible LoRa Rubber Antenna
10000 in stock
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SKU:tx490-jw-5
Product Overview
The TX490-JW-5 is a high-reliability 490MHz omnidirectional rubber antenna, specifically designed for Sub-GHz wireless communication. Featuring a 2.0 dBi peak gain and a 90-degree tiltable elbow design, it offers flexible positioning to optimize signal reception. Encased in high-elasticity rubber material, it provides excellent impact resistance, making it ideal for LoRa gateways, industrial sensors, and handheld wireless terminals.
Technical Specifications
| Parameter | Technical Value |
|---|---|
| Frequency Range | 470 - 510 MHz (Center: 490MHz) |
| Peak Gain | 2.0 dBi |
| VSWR | ≤ 1.5 |
| Connector Type | SMA-J (SMA Male) |
| Antenna Height | 50 mm |
| Radome Material | Elastic Rubber (UV Resistant) |
| Polarization | Vertical Polarization |
| Impedance | 50 Ω |
Product Details
Flexible Elbow Structure
Equipped with a 90-degree rotary joint, the antenna can be folded or angled to fit specific enclosure requirements and spatial constraints, ensuring optimal signal orientation.
High-Conductivity SMA Interface
The standard SMA-J male connector features gold-plated pins and a pure copper housing for low insertion loss and high mechanical durability over repeated connections.
Professional Test Report
Verified with Agilent E5071C: VSWR is strictly controlled at ≤ 1.5 @ 490MHz for peak efficiency.
Ideal Applications
LoRa & Sub-GHz IoT
Compatible with SX1278/SX1268 modules for long-range data transmission.
Industrial Automation
Robust signal solution for remote telemetry and environmental monitoring nodes.
Resources
📄 Download Datasheet (PDF)FAQ
Q: Can it be used with 433MHz devices?
A: This model is specifically tuned for 490MHz. For 433MHz, we recommend selecting the corresponding 433MHz variant for optimal VSWR.
Q: Is the antenna suitable for outdoor use?
A: Yes, the rubber material is durable and UV-resistant, though it is primarily designed for terminals and gateways.