User's Manual Part 1

Introduction Chapter 1
OEMV Family Installation and Operation User Manual Rev 5B 23
Figure 4: OEMV-2 Card
1.2.4 OEMV-3 Card
The OEMV-3 is a GPS L1/L2/L5 plus GLONASS L1/L2 card that is a drop-in replacement for the
OEM4-G2. Triple-frequency capabilities will make the following possible: longer baselines in
differential positioning mode due to the reduction of atmospheric errors, faster resolution of carrier-
phase ambiguities when performing RTK positioning and enhanced positioning precision due to the
additional measurements.
 The OEMV-3 is hardware-capable for tracking L5 but requires a future firmware upgrade to
enable L5 positioning. This will be available when a usable number of satellites are in orbit.
In addition to the functionality given in Section 1.1.1 on Page 20, the OEMV-3 offers:
• 14 L2 P(Y) or L2C channels
• 12 GLONASS L1 channels
• 12 GLONASS L2 channels
• 6 L5 channels
• Integrated L-Band (OmniSTAR VBS, HP or XP and CDGPS)
• AdVance RTK real-time 2 cm (RT-2) positioning capability
• 2 CAN Bus (including transceivers), 1 RS-232/RS-422, 1 RS-232, 1 USB 1.1 and 1 LV-
TTL communication ports
• An external oscillator input
• Auxiliary strobe signals for status and synchronization
• On-board power conversion, eliminating the need for external power conditioning
• Voltage and temperature monitoring and reporting
• Software load compatibility with other OEMV family products