High-Efficiency Spring Antenna Accessory Wireless Module Data Transmission Antenna for Enhanced Sig Optimal Performance: Experience strength with our Spring Antenna, designed to boost your remote communication capabilities effectively. Construction: Crafted with high-quality materials, this antenna ensures reliability and , even in harsh environmental conditions. Flexible Design: The flexible nature of the spring antenna allows for easy adjustments and optimal positioning, enhancing the signal reception further. Easy Installation: This accessory is user-friendly, featuring a simple setup process that requires no technical expertise, making it accessible for all users. Versatile Compatibility: Compatible with a wide range of devices, the Spring Antenna is a versatile choice for enhancing your communication setup. Frequency range: 863-928mhz Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:plastic Package Contents: 1 x spring antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.