MA-680R

Inquiry

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

PHYSICAL CONDITION
Constructions:	ASA + Zinc Alloy
Dimensions:	60mm(Dia.) x 140mm(H)
Weight:	185grams (w/o cable & connector).
Color:	white
Mounting:	Bulkhead mount with 0.8 inch threaded wing nut (standard accessory).
Mounting Adapters	Pole mount to 1"-14 UNS threaded mast
Base mounting	FB1 1"-14 UNS

Cable & Connector
RF cable:	SMA(M) +10 meter RG58 +TNC(M) (standard) other length (optional)
Pulling strength:	6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector	SMA(F) or TNC(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 (L1and 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 (L1 and L5)
Noise Figure:	2.0 max.
Bandwidth:	±23.5MHz(L1) , ±12MHz(L5)
VSWR:	2.0 max.
Output Impedance:	50 Ω

＊This specification is subject to change without prior notice
Data Updated: AUG.06, 2025

L5 S21:

L1 S21:

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