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FIBOCOM SU806 Series Hardware Guide Page 63 of 91
Module
ANT_GNSS
33pF
GNSS_Antenna
0R
NCNC
VDD_3.3V
100pF
10R
56nH
1uF
Figure 4-4 GNSS active antenna reference design
4.4 Antenna Requirement
SU806 series module provides four antenna interfaces: main, diversity, WIFI/BT and GNSS. The antenna
requirements are as follows:
Table 4-8 Antenna requirements
SU806 Series Module Antenna Requirement
VSWR: ≤ 2
Gain (dBi): 1
Max input power (W): 5
Input impedance (Ω): 50
Polarization type: vertical direction
Insertion loss: < 1dB (0.7-1GHz)
Insertion loss: < 1.5dB(1.4-2.2GHz)
Insertion loss: < 2dB (2.3-2.7GHz)
VSWR: ≤ 2
Gain (dBi): 1
Max input power (W): 5
Input impedance (Ω): 50
Polarization type: vertical direction
Insertion loss: < 1dB