The TX915-JKS-20 is a flexible, high-gain 915 MHz omnidirectional RF antenna designed for wireless communication systems operating in the 915 MHz ISM band. Its rugged rubber design and SMA-J connector make it ideal as an accessory for wireless modules, routers, access points, IoT endpoints, and more.
Optimized for 915 MHz Communication
- Operating Frequency: 915 MHz – suits ISM-band devices and LoRa/long-range wireless systems.
- Omnidirectional Radiation: Offers 360° coverage for robust signal reception across all directions.
- Gain: ~3.0 dBi for improved range and signal strength compared with standard rubber antennas.

Mechanical & Electrical Characteristics
- Connector: SMA-J (male) – compatible with many RF modules and routers.
- Impedance: 50 Ω for optimal transfer of RF energy.
- SWR: ≤ 1.5 — ensures low reflection and efficient operation.
- Weight: Lightweight at ~22 g.
- Flexibility: Rubber body allows gentle bending for installation flexibility.

Construction & Design
- Rubberized Antenna Body: Durable and impact-resistant — ideal for indoor or controlled outdoor setups.
- Compact Size: ~195 mm total length for a good balance between gain and installation convenience.
- Easy to Mount: Screw-on SMA-J connector makes installation quick and tool-free.
Typical Applications
Long-range wireless communications in the 915 MHz band
LoRaWAN, ISM radio systems, and telemetry links
IoT sensor nodes, remote controls, and RF modules
WLAN access points and embedded RF devices
This antenna enhances signal quality and range in networks where reliable 915 MHz connectivity is needed.
