LTMG-503 MOBILEMARK | Alldatasheet
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Technical content
5.5” [144 mm] 2.38”[60.4 mm] Subject to Change Without Notice Rev 1 CD-12/2025 © 2025 Mobile Mark, Inc. Email info@mobilemark.com (US) or enquiries@mobilemarkeurope.co.uk (UK) European Facility +44.1543.459555 • www.MobileMark.com Moving Wireless Forward ® HIGHLIGHTS:
- Cellular MIMO Combo Antenna
- Five Integrated RF Elements
- Low-Profile Design for Mobile Applications
- Manufactured in North America & Europe COMMON APPLICATIONS:
- Vehicle Fleet Management
- Remote and Mobile Monitoring
- Public Transportation Systems BANDS:
- Cellular (LTE): 694-960 MHz & 1710 - 3700 MHz
- WiFi: 2.4-2.5 GHz & 4.9 - 6.0 GHz
- Iridium®: 1616 – 1626.5 MHz
- GNSS: 1561 - 1602 MHz Electrical Specifications Frequency & Gain Cable 1 & 2 (Global LTE) 694 - 960 MHz, 3 dBi 1710 - 2100 MHz, 4 dBi Cable 3 (WiFi) 2.4 - 2.5 & 5 - 6 GHz, 4 & 5 dBi Cable 4 (Iridium®) 1616 - 1626.5 MHz, 3.5 dBi Cable 5 (GNSS) 1561, 1575 & 1602 MHz Cable 5 (GPS only) 1575 MHz, 26 dB, 5dBi VSWR 2.5:1 VSWR over Range Maximum Power 10 Watts Impedance 50 Ohms Nominal GPS Amplifier Bias 3.3/5 VDC Noise Figure 2.0 dB max, 1.7 dB typical Current 20 mA max, 10 mA typical Mechanical Specifications Radome Material & Color ASA UV-Inhibitive Plastic, Available in Black or White Standard Connectors SMA Plugs (Male) Cables 1-4 Separate Low Loss 195, 15 ft (4.5 m) GNSS Cable 5 (GNSS & GPS) RG-174, 15 ft (4.5 m) Operating Temperature -40° to +80° C LTMG Dimensions 5.5” Dia x 2.38” H (140 mm x 60.4 mm) LTMG Mounting 7/8” (22 mm) Diameter Feed Thru, 3/4” (19 mm) Long Thread for up to 1/2” (13 mm) Thick urface MLTMG Dimensions 5.5” Dia x 2.78” H (140 mm x 70.6 mm) MLTMG Mounting Magnet Mount Water Ingress IPX7 Shock and Vibration IEEE-1478, EN 61373, MIL-810G, TIA 329.2-C PRODUCT OVERVIEW The LTM503 Series is a compact multiband Cellular MIMO combo antenna integrating five elements in a single housing: two broadband LTE/Cellular antennas, one dual-band WiFi antenna, one Iridium® antenna, and one GNSS antenna. The LTM503 differs from the LTM501 by supporting Iridium frequencies from 1616–1626.5 MHz.
- High-Performance Connectivity : Optimized for modern Global LTE MIMO and multi-network mobile systems, delivering fast data throughput and reliable positioning.
- Compact, All-in-One Design : Replaces multiple antennas with a single low-profile housing to reduce roof clutter, minimize installation time, and lower system cost.
- Flexible Mounting Options : Low-profile housing available in surface-mount or mag-mount configurations, simplifying installation across a wide range of vehicles Tested and trusted, Mobile Mark focuses on quality, fast delivery, and leveraging the expertise of highly skilled professionals, specializing in customizable manufacturing solutions across North America and Europe. By combining advanced technologies with comprehensive team knowledge, we ensure tailored products that meet diverse needs, all delivered efficiently to exceed expectations. To purchase, visit www.TheAntennaStore.com. Multiband Cellular MIMO Combo Surface Mount Antenna LTMG-503 5-Cable MLTMG-503