[Gain]：5.0dBi
[Interface]：SMA-J
[Standing wave (SWR)]：≤2.0
[Frequency]：2.4/5.8GHz
[Resistance]：50Ω
[Weight]：17g±2g
[Feature]：Bendable glue stick antenna
[Introduction]：TXWF-JKS-20 is a 2.4/5.8G/WiFi dual-band bendable glue stick antenna. It has the advantages of wide frequency band, small standing wave ratio and good consistency. The overall height of the antenna is about 195mm, with SMA-J interface (SMA inner thread inner needle), suitable for various 2.4/5.8G/WiFi dual-band wireless devices such as wireless modules, digital radios, remote control devices, etc.
| Spec Category | Parameter Dimension | Technical Specifications (Ebyte TXWF-JKS-20) |
| Basic Info | Antenna Type | Dual-Band Bendable Rubber Sleeve Antenna (Glue Stick) |
| Mechanical Height | Approximately 195 mm | |
| Flexible Hinge | Multi-angle adjustable (0 to 90 degrees bendable) | |
| RF Performance | Operating Frequency | Dual-Band 2.4 GHz and 5.8 GHz |
| Peak Gain | 5.0 dBi | |
| Standing Wave Ratio (SWR) | Under or equal to 2.0 | |
| Nominal Impedance | 50 Ohm | |
| Hardware | Connector Interface | SMA-J (SMA Male / Internal thread with internal pin) |
| Net Weight | 17 grams (plus or minus 2 grams) |
Practical Application Scenarios
Scenario 1: Dual-Band Industrial Gateway and Router Coverage
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Regional Industry Pain Points: Modern industrial warehouses and smart factories rely on dual-band Wi-Fi routing systems to switch between the long-range coverage of 2.4GHz and the low-interference high bandwidth of 5.8GHz. Standard single-band antennas fail to support dual-frequency networks simultaneously, causing signal drops during automatic channel roaming.
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Ebyte Technical Solution: Equipped on industrial gateways, the TXWF-JKS-20 provides dual-resonance coverage on both 2.4GHz and 5.8GHz bands. The 5dBi high-gain copper tube conductor design ensures a wide omnidirectional radiation pattern, keeping wireless PLCs, mobile AGVs, and handheld barcode scanners continuously connected to the control room during dual-band network handovers.
Scenario 2: Smart City Zigbee Mesh Coordination Nodes
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Regional Industry Pain Points: Smart city automation frameworks (such as outdoor sensor clusters or lighting grids) utilize the 2.4GHz Zigbee mesh protocol. Outdoor environments present severe multipath interference and signal attenuation. Using cheap internal patch antennas leads to poor transmission distances and high packet loss rates.
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Ebyte Technical Solution: By screwing the TXWF-JKS-20 directly onto the external SMA-K connector of Zigbee module enclosures, installers can significantly extend the mesh network's node-to-node hop distance. The 5dBi gain significantly boosts the transmitter's effective isotropic radiated power (EIRP) to bridge wide physical gaps in complex urban environments.
Scenario 3: Bluetooth/BLE IoT Asset Tracking Stations
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Regional Industry Pain Points: BLE gateway tracking terminals in smart hospitals or high-vibration manufacturing environments are prone to physical impact. Standard rigid vertical antennas often fracture at the connection point when accidentally hit by equipment or moving carts, disabling real-time tracking systems.
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Ebyte Technical Solution: The bendable mechanical hinge of the TXWF-JKS-20 allows the antenna to flex at a 45-degree or 90-degree angle. This flexibility absorbs structural impacts, preventing the RF port from breaking. Concurrently, its omnidirectional coverage ensures that signals from small BLE asset beacons are received with equal efficiency from all 360-degree directions.
FAQ Section
What does the SMA-J connector classification mean for compatibility?
A: The SMA-J identifier represents a standard SMA Male connector, which features an internal thread with a center male pin. This is directly compatible with any standard SMA-K (SMA Female with external threads and a central receptacle) RF port commonly built into industrial wireless transceivers, network cards, and DTU modules.
Why is a dual-band 2.4GHz/5.8GHz antenna better than a single-frequency antenna?
A: A dual-band antenna like the TXWF-JKS-20 is engineered with precise internal physical dimensions that resonance-match both frequencies. This allows your Wi-Fi or routing hardware to dynamically switch between 2.4GHz (best for obstacle penetration and range) and 5.8GHz (best for high data throughput and minimal interference) without sacrificing transmission efficiency or needing two separate antennas.
Does bending the antenna at a 90-degree angle degrade its RF gain or increase SWR?
A: No. The internal RF path is built with high-quality, shielded micro-coaxial wiring running through a robust mechanical hinge. Bending the antenna to 45 degrees or 90 degrees changes the polarization plane to match your signal environment but does not increase the SWR or reduce the native 5dBi gain of the internal copper tube radiator.
Can this antenna be used outdoors in extreme weather?
A: The antenna is manufactured with a rugged, high-grade rubberized sleeve that protects the internal elements from light moisture and dust. However, for continuous, long-term outdoor mounting in harsh environments exposed to heavy rain, snow, or extreme UV radiation, we recommend installing our fully sealed, IP67-rated fiberglass omnidirectional antennas instead.
