Description :

GPS/GMS ANTENNA FOR CAR AVL SYSTEM

Specification :

GSM antenna: 1. Electrical properties. (1) Parameter: description. (2) Frequency band: 800/900/1800/1900/2170Hz. (3) Nominal impedance: 50ohm. (4) Polarization: vertical. (5) Electrical wave: 1/4 λ dipole. (6) V.S.W.R: 2.0：1. (7) Antenna average gain: 0dBi. (8) Note: gain includes the cable loss. 2. Mechanical properties: (1) Parameter: description. (2) Antenna type: external antenna. (3) Antenna cover: TPEE 630. (4) Touch type: screw type. (5) Connector type: SMA 180° (male). (6) Antenna dimensions: 5000 ± 20. (7) Antenna color: black. (8) Operating temperature range: -20°C~+55°C. (9) Storage temperature range: -30°C~+55°C. GPS antenna: 1. Electrical specifications: (1) Input voltage: 2.3~5.5V. (2) Current: 2.5V: 6.6mA typical/ 3V：8.6 mA typical/ 4V：12.6 mA a typical/ 5V：16.6 mA typical. 2. Antenna: (1) Operating frequency: 1575.42±1.023 MHz. (2) Gain at 10° elevation: -1 dBic Typ. (3) Gain at zenith: 5.0 dBic Typ. (4) Bandwidth: 10MHz min.@S11≦10dB. (5) Polarization: R.H.C.P. (6) Axial ratio: 3.0dB Typ. 3. LNA: (1) Operating frequency: 1575.42 ± 1.023MHz. (2) Gain: 28dB Typ. (3) Noise figure: 1.5 dB Typ. (4) Filter: 20 dB 25dB min @fo +/-50MHz. (5) 30 dB 35dB min @fo +/-100MHz. *fo=1575.42MHz. (6) Output impedance: 50ohm. (7) VSWR: 2.0 max.

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