Table 13 | Gps Antenna Parameter; Table 14 | Amplifier Specifications; Table 15 | Environmental Test Performance - RAKwireless RAK7243 Pilot Gateway Pro User Manual

Item
Range of Receiving Frequency
Center Frequency (MHz) w/ 30mm2 GND plane
Bandwidth (MHz) (Return Loss ≤ -10dB)
VSWR (in Center Frequency)
Gain (Zenith) (dBi Typ.) w/ 70mm2 GND Plane
Axial Ratio (dB) w/ 70mm2 GND Plane
Polarization
Impedance (Ω)
Frequency Temperature Coefficient (ppm/ºC)

Table 13 | GPS Antenna Parameter

Amplifier Specifications are listed in the table below:
Item Specifications
Frequency Range 1575.42 MHz
Gain 27 dB
VSWR ≤ 2.0 V
Noise Coefficient
≤ 2.0 dBm
DC Voltage 3 ~ 5 V
DC Current 5 ± 2 mA

Table 14 | Amplifier Specifications

Environmental test performance specifications are listed below:
Item Normal Temp.
Amplifier Gain 27dB ± 2.0
VSWR ≤ 2.0
Noise Coefficient ≤ 2.0
1. High temperature test: soap in temperature (85º C) and humidity (95%) chamber for 24-hour and return to normal
temperature (at least for 1-hour) without visual shape change.
2. Low temperature test: soap in temperature (-40º C) chamber for 24-hour and return to normal temperature (at
least for 1-hour) without visual shape change.

Table 15 | Environmental Test Performance

Specifications
1575.42±1.1
1575.42
≥10
≤2.0
4.5
3.0
Right-Handed Circular
50
0±10
High Temp. Low Temp.
1 2
27dB ± 2.0 27dB ± 2.0
≤ 2.0 ≤ 2.0
≤ 2.0 ≤ 2.0
RAK7243 User Manual V1.1
RAK7243
PET
±2.5
±3.0
±0.5
±0.5
±0.5
±0.2
-
-
-
16
16