APPENDIX B OEM729 Technical Specifications
OEM7 Installation and Operation User Manual v4
153
Antenna Connector
MMCX female, 50 Ω nominal impedance
Cascaded antenna
LNA gain (before
receiver)
HDR disabled
+15 dB to +40 dB, 26 dB typical
HDR enabled
+20 dB to +40 dB, 30 dB typical
RF Input Frequencies
GPS L1:
GPS L2:
GPS L5:
BeiDou B1:
BeiDou B2:
BeiDou B3:
L-Band:
1575.42 MHz
1227.60 MHz
1176.45 MHz
1561.098 MHz
1207.14 MHz
1268.52 MHz
1525 to 1560
MHz
GLONASS L1:
GLONASS L2:
GLONASS L3:
Galileo E1:
Galileo E5a:
Galileo E5b:
Galileo E5:
1593-1610 MHz
1237-1254 MHz
1202.025 MHz
1575.42 MHz
1176.45 MHz
1207.14 MHz
1191.795 MHz
LNA Power
+5.0 VDC ±5%, 0 mA to 200 mA (supplied by card through center
conductor of RF connector).
LNA Power is generated from the 3.3 V supply input for the OEM729.
Table 25: OEM729 RF Input/LNA Power Output
External Oscillator Connector
MMCX female, 50 Ω nominal impedance
External Clock input
Refer to the
EXTERNALCLOCK
command
Frequency
5 MHz or 10 MHz
Input Impedance
50 Ohm nominal
Input VSWR
<2:1
Signal Level
0 dBm minimum to +13.0 dBm maximum
Frequency Stability
±0.5 ppm maximum
Wave Shape
Sinusoidal
Table 26: OEM729 External Oscillator Input
