{"id":17226,"date":"2019-03-19T00:00:00","date_gmt":"2019-03-18T23:00:00","guid":{"rendered":"https:\/\/pihernz.com\/product\/m150gsa\/"},"modified":"2026-06-30T13:12:51","modified_gmt":"2026-06-30T11:12:51","slug":"diamond-m150gsa-vhf-mobile-antenna-with-spring-base","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/diamond-m150gsa-vhf-mobile-antenna-with-spring-base\/","title":{"rendered":"Diamond M150GSA Original VHF Mobile Antenna with Shock Spring (134-174MHz, MP Connector)"},"content":{"rendered":"

The Diamond M150GSA is a premium, professional-grade single-band VHF mobile antenna engineered in Japan by Diamond Antenna. Designed for commercial vehicle fleets, public safety transceivers, and amateur radio mobile stations, this high-performance antenna features a rugged shock spring at its base. This specialized steel spring absorbs mechanical impacts from low-clearance branches, garages, and rough terrain, protecting both the whip and the vehicle’s mounting bracket from structural damage.<\/p>\n

Operating natively across the 144\u2013174 MHz range (and tunable down to 134 MHz via cutting chart), the M150GSA utilizes a reliable $1\/4$-wavelength electrical architecture. It delivers a stable gain of 2.15 dBi, focusing the radiation pattern efficiently for mobile terrestrial propagation. With a compact physical length of just 0.51 meters and a lightweight design of 110 grams, it offers minimal wind resistance while managing heavy RF power loads up to 200 Watts. The base terminates in a standard MP (PL-259 Male) connector, ensuring a secure thread-on fit with standard mobile magnetic mounts or fixed chassis brackets.<\/p>\n

SPECIFICATIONS & TECHNICAL FEATURES:<\/h2>\n

\u2022 Brand & Origin: Diamond Antenna (100% Original Japan)
\n\u2022 Antenna Type: Single-band VHF Mobile Antenna
\n\u2022 Frequency Range: 144\u2013174 MHz (Tunable\/adjustable from 134 MHz)
\n\u2022 Electrical Architecture: $1\/4 \\lambda$ wavelength configuration
\n\u2022 Base Protection: Integrated heavy-duty anti-shock stainless steel spring
\n\u2022 Gain Performance: 2.15 dBi
\n\u2022 Maximum Power Rating: 200 Watts (PEP)
\n\u2022 Nominal Impedance: 50 Ohms
\n\u2022 Voltage Standing Wave Ratio (VSWR): Less than 1.5:1
\n\u2022 Connection Interface: Standard MP (UHF Male \/ PL-259) base connector
\n\u2022 Physical Metrics: Total height of 0.51 meters and ultra-light net weight of 110 g
\n\u2022 Application: Perfect for utility vehicles, commercial logistics fleets, emergency service cars, forestry management, and off-road VHF communications.<\/p>\n","protected":false},"excerpt":{"rendered":"

VHF mobile antenna<\/p>\n","protected":false},"featured_media":21809,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","inline_featured_image":false,"_joinchat":[]},"product_brand":[12171],"product_cat":[12331,12390,12324],"product_tag":[],"class_list":{"0":"post-17226","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-diamond-antenna-en","7":"product_cat-diamond-antenas-en","8":"product_cat-mobile-monoband","9":"product_cat-antenas-en-2","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"\nVHF Mobile Antenna with Spring | Diamond M150GSA | B2B<\/title>\n<meta name=\"description\" content=\"Source the original Japan-made Diamond M150GSA VHF mobile antenna with spring. 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