cdsenet
Cdsenet TX490-JZ-5 490MHz 2.0dBi Ultra-Compact Straight Antenna
Cdsenet TX490-JZ-5 490MHz 2.0dBi Ultra-Compact Straight Antenna
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SKU:tx490-jz-5
Product Overview
The TX490-JZ-5 is an ultra-compact, professional-grade 490MHz omnidirectional straight antenna, specifically designed for space-constrained wireless applications. Featuring a 2.0 dBi peak gain and a precision-engineered internal radiator, it offers high efficiency in a miniature form factor. Built with high-elasticity rubber material and a durable SMA-J interface, it is the perfect solution for handheld devices and small IoT terminals requiring reliable Sub-GHz connectivity.
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 Length | 50 mm |
| Impedance | 50 Ω |
| Polarization | Vertical Polarization |
| Net Weight | 7g ± 1g |
Product Details
Miniature & Lightweight Design
With a total length of only 50mm, the TX490-JZ-5 is designed for maximum portability without sacrificing signal performance, making it ideal for integrated wireless modules.
Durable SMA-J Interface
The standard SMA male connector is made of gold-plated pure copper, ensuring high conductivity and a secure mechanical fit for long-lasting operation.
Professional Test Report
Verified with Agilent E5071C: VSWR is strictly controlled at ≤ 1.5 across the 490MHz band.
Ideal Applications
Smart Home Terminals
Perfect for wireless wall switches, alarm sensors, and smart controllers.
Portable Transceivers
Enhances signal for compact handheld walkie-talkies and wireless data units.
Resources
📄 Download Datasheet (PDF)FAQ
Q: Is this antenna suitable for LoRa modules?
A: Yes, as long as the LoRa module operates in the 470-510MHz range and uses an SMA Female interface.
Q: Can it withstand impact?
A: The antenna is made of high-quality flexible rubber, which provides excellent durability against physical impact and vibration.