GEM1105

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GEM1105-4040A0

GEM1305 dual-band RTK smart antenna
GEM1305 dual-band RTK smart antenna
GEM1305 dual-band RTK smart antenna

GEM1105 is a high-performance single-band high precision GNSS positioning module with antenna built-in, which is based on high performance single-band rtk module —— TAU1308.
It supports BDS-3 signals, along with global civil navigation systems, including GPS, BDS, GLONASS, Galileo, QZSS, and SBAS.


Feature

  • Supports GPS, BDS, GLONASS, Galileo, QZSS, and SBAS
  • Integrated Real Time Kinematics (RTK)
  • State-of-the-art low power consumption design
  • Supports raw data output, easy for 3rd party integration
  • The best cost-effective high precision GNSS positioning solution integrated with antenna


Specifications

Item Specs
Frequency Range(MHz) GPS/QZSS L1, BDS B1, GLONASS L1, GALILEO E1
Polarization Right-hand circular
Gain(dBi) 90° L1≥5.5
Phase center error(mm) ≤±2.0
Axial Ratio (dB) 90°≤3.0
LNA Gain(dB) 38±2
V.S.W.R ≤2.0
Noise Figure (dB) ≤1.8
DC Voltage (V) 5.0~5.5
Current (mA) ≤60mA
Impedance(Ω) 50
Relative Humidity 95%
Operating Temperature(℃) -40~+85
Storage Temperature (℃) -55~+85
Dimensions(mm) 45 x 45 x 13
Weight (g) ≤55g
Connector* iPex-I (Customizable)


Hardware Description

GEM1305 dual-band RTK smart antenna

Conn_1 is the main power supply and input/output connector:

  • GND
  • NC
  • RX,TTL level of GNSS module
  • TX,TTL level of GNSS module
  • 5V, input,max current:200mA

Conn_2 is the input/output data connector, support power supply 3.3v for external module like Bluetooth, Radio:

  • GND
  • RX,TTL level of GNSS module
  • TX,TTL level of GNSS module
  • 3.3V, output,max current:150mA


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