The PCTEL GPS L1 Timing Antenna is designed for high rejection of interference, with a signal strength of 26 dB. This antenna is ideal for precise timing and positioning applications in various industries such as construction, surveying, and navigation. With the PCTEL brand known for quality and reliability, this GPS L1 Timing Antenna ensures accurate and efficient GPS data collection for your business or industrial needs. part number GPS-TMG-HR-26NCM