ANN-MB datasheet(4/12 Pages) U-BLOX

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ANN-MB series - Data Sheet

UBX-18049862 - R04

Overview

Page 4 of 12

Production Information

1 Overview

The u-blox ANN-MB multi-band (L1, L2/E5b/B2I) active GNSS antennas are designed to reduce time

to market for the next generation of high precision GNSS applications, which require highly accurate

location information. The compact design, excellent price to performance ratio, and versatile

mounting and connector choices provide customers with fast, easy, and reliable multi-band antenna

solutions. The ANN-MB antenna is a perfect match to the latest u-blox F9 platform, including the

ZED-F9P module, thus providing customers with a valuable antenna solution to minimize design-in

efforts.

The ANN-MB series includes a high-performance multi-band RHCP dual-feed patch antenna element,

a built-in high-gain LNA with SAW pre-filtering, and a 5 m antenna cable with three connector options

(SMA, SMB, MCX).

2 Electrical specification

Patch antenna specification

Parameter

L1 Band

L2/E5b/B2I Band

Frequency 1

1559-1606 MHz

1197-1249 MHz

Impedance 1

Ω

Gain 1

Typ. 3.5 dBic (Zenith)

Typ. 0.0-2.0 dBic (Zenith)

Axial ratio 1

Max. 2.0 dB (Zenith)

Polarization 1

RHCP

Table 1: Patch antenna element specification

Amplifier specification

Parameter

L1 Band

L2/E5b/B2I Band

Frequency

1559-1606 MHz

1197-1249 MHz

Impedance

Ω

LNA Gain 2,3

Typ. 28

± 3.0 dB

Typ. 28

± 3.0 dB

LNA Noise Figure 2,3

Max. 2.8 dB

Max. 3.2 dB

Output VSWR

Max. 2.0

Cable Insertion Loss (RG-174, length 5 m)

Typ. 6.6 dB

Typ. 5.6 - 6.6 dB

Total Gain 2,4

Typ. 21.4 dB

Typ. 21.4 - 22.4 dB

Out-of-band rejection

min. 100 MHz from GNSS band edges

at selected cellular bands

Typ. 65 dB (at <1459 MHz), 70 dB

(>1706 MHz)

Typ. 85 / 80 / 70 / 75 / 80 dB (at 698 /

960 / 1710 / 2170 / 2690 MHz)

Typ. 50 dB (at <1097 MHz), 75 dB

(>1349 MHz)

Typ. 65 / 45 / 45 / 75 / 80 dB (at 698 /

960 / 1710 / 2170 / 2690 MHz)

Supply voltage 5

3.0 - 5.0 V

Supply current 2,5

Typ. 15 mA

Table 2: Amplifier specification

1 Measured on a ø15 cm ground plane. Measured values include the antenna feed network (hybrid coupler).

2 Measured using 5.0 V supply voltage

3 Includes LNA and SAW pre-filter section

4 Includes LNA Gain and Cable Insertion Loss

5 Single supply for L1 and L2/E5b/B2I bands

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