The ZM21-CELLG is a ZCG Scalar high-gain 900 MHz / 4G marine collinear antenna designed for reliable omnidirectional coverage across the 890-960 MHz band. Delivering 8.1 dBi gain in a 2.1 m form factor, this antenna is engineered to improve signal stability and range in coastal, marine, and remote environments where consistent wireless connectivity is critical.
Optimised for ISM 900 MHz systems, lower-band LTE applications, telemetry networks, and M2M communications, the ZM21-CELLG provides dependable long-range performance for both fixed infrastructure and vessel-based deployments. Its collinear design delivers uniform 360-degree radiation, supporting stable transmit and receive performance across distributed monitoring and communication systems.
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The ZM21-CELLG is a ZCG Scalar high-gain 900 MHz / 4G marine collinear antenna designed for reliable omnidirectional coverage across the 890-960 MHz band. Delivering 8.1 dBi gain in a 2.1 m form factor, this antenna is engineered to improve signal stability and range in coastal, marine, and remote environments where consistent wireless connectivity is critical.
Optimised for ISM 900 MHz systems, lower-band LTE applications, telemetry networks, and M2M communications, the ZM21-CELLG provides dependable long-range performance for both fixed infrastructure and vessel-based deployments. Its collinear design delivers uniform 360-degree radiation, supporting stable transmit and receive performance across distributed monitoring and communication systems.
Common applications include marine asset tracking, coastal infrastructure monitoring, environmental telemetry, offshore communications, and private RF networks requiring robust coverage over extended distances. The antenna?s elevated gain and stable radiation pattern make it particularly effective in environments where terrain, distance, or water propagation challenges impact signal reliability.
Built for harsh operating conditions, the ZM21-CELLG is designed for marine and exposed installations, maintaining performance under wind, salt, and environmental stress. It supports up to 30 W power handling and is supplied with a 4.5 m cable terminated in an FME female connector, with alternate terminations available to suit system requirements.
Installation flexibility is a key feature, with compatibility across vessel, vehicle, mast, and tower mounting systems depending on deployment needs.
Combining high gain performance, marine-grade deployment suitability, and stable omnidirectional coverage, the ZM21-CELLG from ZCG Scalar is a dependable solution for long-range 900 MHz and lower-band LTE communication systems in demanding environments.
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