{"id":17761,"date":"2019-03-19T00:00:00","date_gmt":"2019-03-18T23:00:00","guid":{"rendered":"https:\/\/pihernz.com\/product\/sgm507\/"},"modified":"2026-07-13T12:26:40","modified_gmt":"2026-07-13T10:26:40","slug":"sgm507","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/sgm507\/","title":{"rendered":"Diamond SGM507 Dual-Band Mobile Antenna \u2013 144\/430 MHz High-Gain Radialless Vehicle Whip, 70W Power Capacity, with PL-259 (MP) Connector Base"},"content":{"rendered":"

The Diamond SGM507<\/strong> is a professional-grade, high-integrity dual-band mobile antenna precision-engineered to deliver exceptional signal propagation and reliable transmission tracking across both VHF and UHF communication networks. Built as a high-efficiency mobile radiator, this premium vehicle whip operates seamlessly over the 144 MHz (2m) and 430 MHz (70cm) bands, eliminating the need for bulky multi-antenna arrays or complex diplexer configurations on a single vehicle platform. It serves as an essential infrastructure asset for commercial transport fleets, public safety coordinates, and B2B radiocommunication hardware depots looking to maintain certified replacement stock.<\/p>\n

The advanced internal RF architecture utilizes a pre-phased, high-efficiency electrical configuration. It functions as a stable **1\/2 wave radialless** structure on the 144 MHz band and as a high-performance **2 x 5\/8 wave radialless** collinear array on the 430 MHz band. This specialized radialless engineering footprint allows the antenna to operate at peak efficiency without requiring a massive vehicle metallic chassis ground plane, making it an ideal candidate for mounting on fiberglass roofs, plastic utility racks, or side mirror stanchions. The compressed radiation pattern dramatically improves line-of-sight voice intelligibility and carrier reception over extended distances, yielding substantial forward signal gain metrics of 2.15dBi at 144MHz and 5.2dBi at 430MHz.<\/p>\n

Built to handle the harsh mechanical stresses of highway wind resistance and continuous vehicular vibrations, the rugged chassis has a vertical clearance length of 0.73m and a highly balanced net mass of 155g, minimizing torque strain on structural clamps or body panels. Capable of handling transmitter power inputs up to a maximum rating of 70W, the array is optimized for standard 50 ohms nominal systems. The premium build quality maintains an efficient voltage standing wave ratio (VSWR) calibrated to less than 1.5:1, protecting your transceiver’s power amplifier from destructive reverse-power reflections.<\/p>\n

For seamless integration, the base terminates in a standard low-loss PL-259 male connector (MP type). This standard mechanical interface provides plug-and-play compatibility with a massive range of global magnetic mounts, trunk lip clamps, and fixed hole UHF-style installation bases. Delivered as a turnkey, factory-tuned field radiator, this premium dual-band mobile antenna ensures immediate deployment readiness for high-tier technical communications fleets.<\/p>\n

Technical Specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Technical Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Brand<\/td>\nDiamond Antenna<\/td>\n<\/tr>\n
Model Designation<\/td>\nSGM507 \/ SGM-507<\/td>\n<\/tr>\n
Antenna Classification Type<\/td>\nDual-Band Mobile Vehicle Antenna Whip (Radialless Architecture)<\/td>\n<\/tr>\n
Active Operational Spectrum<\/td>\n144 MHz & 430 MHz Dual-Band Matrix (2 m \/ 70 cm bands)<\/td>\n<\/tr>\n
Electrical Wave Configuration<\/td>\n\u2022 144 MHz VHF Band: 1\/2 Wave radialless structure
\n\u2022 430 MHz UHF Band: 2 x 5\/8 Wave radialless collinear structure<\/td>\n<\/tr>\n
Forward Signal Gain Rating<\/td>\n\u2022 144 MHz VHF passband: 2.15 dBi (2.15dBi)
\n\u2022 430 MHz UHF passband: 5.2 dBi (5.2dBi)<\/td>\n<\/tr>\n
Max. Power Rating Capacity<\/td>\n70 Watts (70W maximum input threshold)<\/td>\n<\/tr>\n
Voltage Standing Wave Ratio (VSWR)<\/td>\nLess than 1.5:1 nominal calibration center<\/td>\n<\/tr>\n
System Nominal Impedance<\/td>\n50 Ohms (50 ohms nominal loop)<\/td>\n<\/tr>\n
Interface Connector Base<\/td>\nMP Type (Standard PL-259 Male connector configuration)<\/td>\n<\/tr>\n
Physical Clearance Length<\/td>\n0.73 m (0.73m total vertical footprint length)<\/td>\n<\/tr>\n
Net Hardware Mass<\/td>\n155 g (155g lightweight weight profile)<\/td>\n<\/tr>\n
Radiation Profile Pattern<\/td>\nOmnidirectional \/ Linear Vertical Polarization<\/td>\n<\/tr>\n
Primary Fleet Utility Purpose<\/td>\nTactical fleet outfitting, dual-band radio routing, ground-independent path transmission stabilization, and laboratory warehouse replacement stock<\/td>\n<\/tr>\n
Package Content<\/td>\n1x Diamond SGM507 Dual-Band Antenna whip element with integrated MP interface base<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Dual band mobile antenna<\/p>\n","protected":false},"featured_media":22189,"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":[12331,12397,12324],"product_tag":[],"class_list":{"0":"post-17761","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-movil-doble-banda-en","9":"product_cat-antenas-en-2","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"\nDiamond SGM507 Dual-Band Mobile Antenna | 144\/430MHz MP<\/title>\n<meta name=\"description\" content=\"Source the commercial Diamond SGM507 dual-band mobile antenna. 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