The EM-506 is an OEM engine board with SiRF Star IV chipset, integrated patch antenna and pulse per second/LED pin.

Specification
– SiRF Star IV high-performance GPS chipset
– Frequency: L1, 1575.42 MHz
– Sensitivity: -163 dBm
– Pulse per Second/LED PIN (PPS) with 3D SATFIX (1 second high
voltage, 1 second low voltage)
– Very fast TTF even at low signal strengths
– Supports UART
– Baud rate: 4800 bps (1200, 2400, 4800, 9600, 19200, 38400)
– Built-in LNA
– Dimensions: (LxWxH) 30.00 x 30.00 x 10.70 mm
– Operating temperature range: -40°C ~ 85°C
– Operating voltage: 4.5 ~ 6.5 V DC
– Supports NMEA 0183 V3.0 (GGA, GSA, GSV, RMC, VTG, GLL, ZDA)
– Supports OSP protocol
– Supports SBAS (WAAS, EGNOS, MSAS, GAGAN)
– Connections: PCB Beech: Digi-Key Part No: 455-1806-1-ND
– Cable connector: Digi-Key Part No: 455-1381-ND
Package contents
– GNSS Engine Board
Packaging
– Poly Bag