Technical Specifications
| Model | TX470-JZR-9 |
| Frequency Range | 460–480MHz (CN470 band) |
| Gain | 3.0dBi |
| VSWR (SWR) | ≤1.5 |
| Impedance | 50Ω |
| Antenna Interface | SMA-J (inner thread, inner pin / SMA Female) |
| Antenna Type | Omnidirectional bendable rubber stick |
| Length | 90mm |
| Weight | 9g |
| Polarization | Vertical linear |
| Applications | LoRa, FSK, spread spectrum IoT modules, CN470 band devices |
Product Details
Omnidirectional 470MHz RF Coverage
The TX470-JZR-9 delivers 3dBi gain across the 460–480MHz band with VSWR ≤1.5, ensuring efficient power transfer and minimal reflected loss. Its omnidirectional radiation pattern provides 360° horizontal coverage — ideal for fixed IoT sensor nodes, gateways, and handheld terminals operating in the CN470 spread spectrum band.
Flexible Rubber Construction — Durable & Deployable
The soft rubber body allows the antenna to bend without damage, making it suitable for enclosures with limited clearance or applications subject to vibration. At 90mm length and 9g weight, it mounts directly to SMA-J ports on modules such as Ebyte E22-400T22S, E220-400T22S, and compatible CN470 devices without additional hardware.
50Ω Matched for Standard RF Interfaces
Designed with 50Ω characteristic impedance to match standard RF front-ends directly. No external matching network required. Compatible with all Ebyte 470MHz modules and third-party devices using SMA female (SMA-J) connectors.
Ideal Applications
FAQ
Q: Which Ebyte modules is the TX470-JZR-9 compatible with?
A: It is compatible with all Ebyte 470MHz modules featuring an SMA-J (SMA Female) port, including E22-400T22S, E220-400T22S, E32-400T20S, and other CN470-band devices. Also compatible with any third-party module using a standard 50Ω SMA female interface.
Q: What is the difference between SMA-J and SMA-K connectors?
A: SMA-J (inner thread, inner pin) is the male plug on the antenna side that mates with an SMA-K (inner thread, outer pin / SMA Male) port on the module or device. The TX470-JZR-9 uses SMA-J, which is the standard antenna connector for most Ebyte modules.
Q: Can this antenna be used outdoors?
A: The TX470-JZR-9 is a rubber stick antenna suitable for indoor and sheltered outdoor use. For harsh outdoor environments with exposure to UV, rain, or extreme temperatures, consider a fiberglass or weatherproof antenna variant.
Q: Does the 3dBi gain apply across the full 460–480MHz range?
A: The 3dBi gain is the nominal peak gain measured at the center frequency (470MHz). Performance remains consistent across the 460–480MHz band with VSWR ≤1.5, ensuring efficient operation throughout the CN470 spread spectrum allocation.
