PCTEL, Inc. RF Antennas 3951D-HR-5CM-UFL

The 3951D-HR-5CM-UFL is a high rejection GPS embedded antenna designed for applications requiring reliable GPS tracking and timing in high RF environments. It features a gain of 25 dB and incorporates a precision tuned ceramic patch element, ensuring optimal signal reception. The antenna includes dual high rejection SAW filters and a multi-stage LNA circuit, which enhance its performance by minimizing loss-of-lock under challenging conditions. This model operates within a frequency range of 1575.42 ¬± 10 MHz and has a typical noise figure of 3.1 dB. It draws a low current of 7.5 mA at 3.3 VDC and is compatible with a DC voltage range of 2.7-5.0 VDC. The antenna has a maximum VSWR of 2.0:1 and a nominal impedance of 50 ohms. In terms of mechanical specifications, the antenna measures 1.1,Äù x 1.1,Äù x 0.3,Äù and weighs 0.56 oz. It is designed to withstand environmental conditions with an operating temperature range of -40¬8C to +85¬8C and can handle humidity levels up to 95% (non-condensing). The antenna also features 15 KV ESD circuit protection, making it suitable for various applications where interference and environmental factors are a concern.