{"id":17755,"date":"2019-03-19T00:00:00","date_gmt":"2019-03-18T23:00:00","guid":{"rendered":"https:\/\/pihernz.com\/product\/sg9700\/"},"modified":"2026-07-14T15:39:48","modified_gmt":"2026-07-14T13:39:48","slug":"sg9700","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/sg9700\/","title":{"rendered":"Diamond SG9700 Tri-Band Mobile Antenna \u2013 High-Gain 50\/144\/430 MHz Center-Loaded Radialless Whip (PL-259, 1.07m)"},"content":{"rendered":"<p>The <strong>Diamond SG9700<\/strong> is a high-performance, professional-grade tri-band mobile antenna engineered specifically for demanding radio amateurs who require multi-band operation across the 6-meter (51-52 MHz FM), 2-meter (144 MHz), and 70-centimeter (430 MHz) bands from a single vehicle installation. Manufactured by Diamond Antenna with precision engineering, this heavy-duty mobile whip delivers exceptional signal propagation and high gain, making it an excellent choice for navigating rugged terrain, highway commuting, or establishing long-distance contacts via local and distant repeaters.<\/p>\n<p>Constructed from premium, weather-resistant materials to withstand highway wind resistance and harsh environment exposure, the SG9700 features an intelligent, multi-layered electrical design. Measuring 1.07 meters in length and weighing 340 grams, it balances robust construction with a highly aerodynamic footprint. The antenna functions as a 1\/4 wave on the 51 to 52 MHz FM band, a highly efficient 1\/2 wave center-loaded (C-Load) radialless element on 144 MHz (yielding 3.0 dBi gain), and a powerful double-stacked 2x 5\/8 wave center-loaded radialless array on 430 MHz (yielding an impressive 5.8 dBi gain). Because it utilizes a radialless design on the VHF and UHF bands, it performs at peak efficiency without requiring a massive metallic vehicle ground plane.<\/p>\n<p>Built to interface seamlessly with modern high-power tri-band mobile transceivers, the Diamond SG9700 boasts a maximum power rating of up to 100 Watts FM (total cumulative input). It is precision-matched to a nominal 50-ohm impedance and achieves an exceptionally low voltage standing wave ratio (VSWR) of less than 1.5:1 across its core operational frequencies, ensuring optimal power transfer and safeguarding your radio&#8217;s internal power amplifier. The base of the whip is terminated with a standard heavy-duty UHF male connector (M-P \/ PL-259), making it universally compatible with standard SO-239 mobile mounts, gutter clamps, or heavy-duty trunk lid assemblies.<\/p>\n<h2>Key Features<\/h2>\n<ul>\n<li><strong>High-Efficiency Tri-Band Performance:<\/strong> Seamlessly covers the 6m (51-52 MHz FM), 2m (144 MHz), and 70cm (430 MHz) amateur bands.<\/li>\n<li><strong>VHF\/UHF Radialless Architecture:<\/strong> Features a 1\/2 wave (144 MHz) and 2x 5\/8 wave (430 MHz) C-Load structure that operates at peak efficiency without a ground plane.<\/li>\n<li><strong>Impressive High-Gain Output:<\/strong> Delivers 3.0 dBi gain on 144 MHz and a powerful 5.8 dBi gain on 430 MHz to push your mobile signals further.<\/li>\n<li><strong>100W Power Handling:<\/strong> Safely manages up to 100 Watts of continuous FM RF power, making it fully compatible with high-power mobile rigs.<\/li>\n<li><strong>Low VSWR Profile:<\/strong> Precision matched to achieve an efficient VSWR of less than 1.5:1 for safe transceiver operation.<\/li>\n<li><strong>Standard M-P (PL-259) Connection:<\/strong> Solid mechanical base threads natively into standard heavy-duty SO-239 vehicle mobile mounts.<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; font-family: sans-serif; font-size: 13px; text-align: left; margin-top: 15px; margin-bottom: 15px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2; border-bottom: 2px solid #dddddd;\">\n<th style=\"padding: 10px; border: 1px solid #dddddd;\">Parameter<\/th>\n<th style=\"padding: 10px; border: 1px solid #dddddd;\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Brand<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">Diamond Antenna<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Model Designation<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">SG9700<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Product Type<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">Tri-Band Mobile Whip Antenna<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Frequency Bands Supported<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">6 Meters (51-52 MHz FM) | 2 Meters (144 MHz) | 70 Centimeters (430 MHz)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Antenna Element Type<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">51-52 MHz: 1\/4 Wave<br \/>\n144 MHz: 1\/2 Wave C-Load radialless<br \/>\n430 MHz: 2x 5\/8 Wave C-Load radialless<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Antenna Gain Rating<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">3.0 dBi (144 MHz) | 5.8 dBi (430 MHz)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Maximum Power Input<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">100 Watts FM (Total cumulative)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Nominal Impedance<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">50 Ohms<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">VSWR (Standing Wave Ratio)<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">Less than 1.5:1<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Base Connector Type<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">M-P (PL-259 \/ UHF Male)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Antenna Length<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">1.07 m<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Net Weight<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">340 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Package Content<\/h2>\n<ul>\n<li>1x Diamond SG9700 Tri-Band Mobile Antenna Assembly<\/li>\n<li>1x Hex\/Allen Tuning Wrench<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Triband mobile antenna<\/p>\n","protected":false},"featured_media":22175,"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":[12331,12398,12324],"product_tag":[],"class_list":{"0":"post-17755","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-tribanda-en","9":"product_cat-antenas-en-2","11":"first","12":"outofstock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diamond SG9700 Tri-Band Antenna | 50\/144\/430 MHz Mobile Whip<\/title>\n<meta name=\"description\" content=\"B2B trade supply of the Diamond SG9700 mobile antenna. 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