SPECIFICATIONS
MECHANICAL DRAWINGS
WARRANTY POLICY
NovAtel Inc. warrants that its Global Positioning System (GPS) products are free from
defects in materials and workmanship, subject to the conditions set forth below, for the
following periods of time:
GNSS Antenna Modules:
One (1) Year from date of sale
Cables and Accessories:
Ninety (90) Days from date of sale
Date of sale shall mean the date of the invoice to the original customer for the product.
NovAtel's responsibility respecting this warranty is limited solely to product repair at an
authorized NovAtel location only. Determination of repair will be made by NovAtel
personnel or by technical personnel expressly authorized by NovAtel for this purpose.
The foregoing warranties do not extend to
(i) nonconformities, defects or errors in the products due to accident, abuse, misuse or
negligent use of the products or use in other than a normal and customary manner,
environmental conditions not conforming to NovAtel’s specifications, or failure to follow
prescribed installation, operating and maintenance procedures, (ii) defects, errors or
nonconformities in the products due to modifications, alterations, additions or changes
not made in accordance with NovAtel’s specifications or authorized by NovAtel, (iii)
normal wear and tear, (iv) damage cause by force of nature or act of any third person,
(v) shipping damage; or (vi)service or repair of product by the dealer without prior
written consent from NovAtel.
In addition, the foregoing warranties shall not apply to products designated by NovAtel
as beta site test samples, experimental, developmental, preproduction, sample,
incomplete or out of specification products or to returned products if the original identi-
fication marks have been removed or altered.
The warranties and remedies are exclusive and all other warranties, express or
implied, written or oral, including the implied warranties of merchantability or fitness for
any particular purpose are excluded.
NovAtel shall not be liable for any loss, damage or expense arising directly or indirectly
out of the purchase, installation, operation, use or licensing or products or services. In
no event shall NovAtel be liable for special, indirect, incidental or consequential
damages of any kind or nature due to any cause.
There are no user-serviceable parts in the ANT-538 and no maintenance is required. If
the unit is faulty, replace with another unit and return the faulty unit to NovAtel Inc. You
must obtain a RETURN MATERIAL AUTHORIZATION (RMA) number by calling
NovAtel Customer Service at 1-800-NOVATEL (U.S. and Canada only) or 403-295-
4900 before shipping any product to NovAtel or a dealer. Once you have obtained an
RMA number, you will be advised of proper shipping procedures to return any defec-
tive product. When returning any product to NovAtel, please return the defective
product in the original packaging to avoid damage.
Before shipping any material to NovAtel or our Dealer, please obtain a Return
Material Authorization (RMA) number from the point of purchase. You may also
visit our website (
and proceed to Registered Services
from our Home page.
WEEE NOTICE
If you purchased your ANT-538 in Europe, please return it to your dealer
or supplier at the end of its life. The objectives of the European Commu-
nity's environment policy are, in particular, to preserve, protect and
improve the quality of the environment, protect human health and utilise
natural resources prudently and rationally. Sustainable development
advocates the reduction of wasteful consumption of natural resources
and the prevention of pollution. Waste electrical and electronic equip-
ment (WEEE) is a regulated area. Where the generation of waste
cannot be avoided, it should be reused or recovered for its material or
energy. WEEE products may be recognised by their wheeled bin label.
RoHS NOTICE
The ANT-538 is compliant with the European Union (EU)
Restriction of Hazardous Substances (RoHS) Directive 2002/95/
EC.
QUESTIONS OR COMMENTS
If you have any questions or comments regarding your ANT-538
antenna, please contact NovAtel Customer Service using one of
methods provided below.
Phone: 1-800-NOVATEL (U.S. & Canada)
403-295-4900 (International)
Fax: 403-295-4901
© Copyright 2006 NovAtel Inc. All rights reserved. Unpublished rights reserved under
international copyright laws. Recyclable.
OM-20000109
Rev 1
December 20, 2006
RF
3 dB pass band (typical)
L1 (1525 to 1616 MHz)
Antenna Gain (dBic)
where G.P. = Ground Plane
90° zenith
60°-90° elevation
30° elevation
20° elevation
10° elevation
L-Band GPS L1 L1 Glonass
Free Space Free Space Free Space
>+2.25
+5.5
>+3.3
>+2.0
>+4.8
>+2.5
>-2.3
+1.8
>-0.2
>-3.0
+0.3
>-1.6
>-4.7
-1.2
>-3.2
LNA gain
33 dB
Polarization
Right-hand circular
Noise figure (typical)
<
2.1 dB
Nominal impedance
50
Ω
VSWR
<
1.5 : 1
POWER
Input voltage
2.5 - 24.0 VDC
Current (typical)
<
39 mA
PHYSICAL
Radome Diameter x Height
8.89 cm (3.50
”
) x 1.75 cm (0.690
”
)
Weight of antenna with ground
plane and adapter:
Weight of antenna only:
385 g ( 13.6 oz.)
185 g (6.5 oz.)
ENVIRONMENTAL
Maximum altitude
21336 m (70000 ft.)
Operating/Storage temperature -55°C to +85°C (-67°F to +185°F)
Vibration
>30 G
Designed to meet these
standards
FAA TSO-C144
DO-160D
DO-228
MIL-C-5541
MIL-E-5400
MIL-I-45208A
MIL-STD-810
SAE J1455
Dimensions are in inches
followed by [mm] and
∅
denotes diameter
Square Bolt Pattern:
(not to scale)
