GA-68R

GA-68R

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GA-68R
  • Product Description
  • Product Specification

Small size and ruggedness, demand of vehicle locating and marine navigation GNSS antenna that will sustain harsh environment.

  • Low noise figure
  • Fully weather proof.
  • Ultra-high Sensitivity
  • Compact construction
  • Excellent temperature stability
PHYSICAL CONDITION
Constructions: ASA + Zinc Alloy
Dimensions: 60mm(Dia.) x 90mm(H)
Weight: 70grams (w/o cable & connector).
Color: white
Mounting: Bulkhead mount with 0.8 inch threaded wing nut (standard accessory).

Cable & Connector
RF cable: SMA(M) +10 meter +TNC(M) (standard) other length (optional)
Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector TNC(F) or SMA(F)

Antenna Element
Center Frequency: 1582.5±23.5MHz(L1) and1176±12MHz(L5)
Polarization: R.H.C.P. (Right Handed Circular Polarization).
Bandwidth ±23.5MHz(L1), ±12MHz(L5)
Gain @ 10o Elevation: -4dBic typical @ L1; -0.5dBic typical @ L5
Gain at Zenith 0 dBic typical @ L1; 1.5 dBic typical @ L5
Output VSWR: 1.5 max
Output Impedance: 50 Ω

Low Noise Amplifier
Power Gain: 30±2 dB typical at 3V (L1 and L5)
30±2 dB typical at 5V (L1 and L5)
ESD (TVS) ±8kv (contact)
Noise Figure: 1.5 dB typical at 3V (L1and L5)
Filter Saw filter
30dB typical fo±50MHz
40dB typical fo±100MHz
（fo=L1,L2 and L5 band）
Supply Voltages: DC = 3~5V
Current Consumption: DC = 10±2.5mA at 3V / 27±2.5mA at 5V
Output Impedance: 50 Ω

Overall Performance: (antenna element, LNA & coax cable)
Center Frequency: 1582.5±23.5MHz(L1),and 1176±12MHz(L5)
Gain: 30±2 dB typical at 3V (L1and L5)
30±2 dB typical at 5V (L1and L5)
Noise Figure: 2.0 max.
Bandwidth: ±23.5MHz(L1),±12MHz(L5)
Azimuth coverage 360˚
VSWR: 2.0 max.
Output Impedance: 50 Ω

Environmental
Operating Temperature: -40°C~ +85°C.
Storage Temperature: -40°C~ +85°C.
Relative Humidity: 95% non-condensing.
Water Resistance: 100% waterproof.
＊This specification is subject to change without prior notice
Data Updated: AUG.06, 2025


L5 S21:

L1 S21:

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