1857D: PCTEL 18X18MM embedded GPS, 28dB, Low Noise (0.5dB), 15cm, MCXR/A

The Compact 1857D Embedded GPS antenna is ideal for GPS enabled ruggedized PDAs, laptops and portable GPS Handhelds. The 1857D antenna features a custom tuned frequency ceramic patch element, ESD circuit protection, a two stage low noise amplifier and a SAW filter, enabling the 1857D to provide great out-of-band signal rejection performance, consistent and clear signal while minimizing loss-of-lock in a very small form factor. Features  • Very compact form factor • 15 KV ESD circuit protection • 2.7 to 5 Volt operation • Ideal for embedded applications