{"id":66517,"date":"2024-09-16T08:13:46","date_gmt":"2024-09-16T06:13:46","guid":{"rendered":"https:\/\/pihernz.com\/?post_type=product&#038;p=66517"},"modified":"2026-07-14T08:26:03","modified_gmt":"2026-07-14T06:26:03","slug":"antenna-duplexer","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/antenna-duplexer\/","title":{"rendered":"Diamond MX72D HF\/VHF\/UHF Antenna Duplexer \u2013 Dual-Band Frequency Splitter with PL-259 Male Cable Leads and SO-239 Mix Port"},"content":{"rendered":"<p>The Diamond MX72D is a high-performance, compact antenna duplexer designed to split or combine HF\/VHF and UHF signals for multi-band transceiver operations. This technical device allows the connection of a dual-band radio to two separate antennas, or conversely, channels two distinct bands into a single dual-band coaxial antenna feed. Featuring an integrated low-loss bandpass filter design, the duplexer maintains excellent system isolation of 60 dB to prevent cross-band interference and preserve signal integrity.<\/p>\n<p>The duplexer is split into a Low-Pass Filter (LPF) leg covering 1.6 to 150 MHz and a High-Pass Filter (HPF) leg covering 400 to 460 MHz. It exhibits exceptionally low insertion loss, measuring at just 0.1 dB on the LPF line and 0.2 dB on the HPF line, while maintaining a Voltage Standing Wave Ratio (VSWR) of less than 1.2:1 at resonance. For versatile high-power systems, the power handling capacity is rated up to 1kW PEP on HF, 850W PEP on VHF, and 500W PEP on UHF bands. The unit features built-in coaxial cable leads terminating in PL-259 (PL male) connectors for the band outputs, and a SO-239 (PL female) socket for the mixed port.<\/p>\n<h2>Key Features<\/h2>\n<ul>\n<li>Allows dual-band transceivers to share a single antenna system or separate single-band antennas.<\/li>\n<li>High isolation of 60 dB prevents cross-talk and protects sensitive receiver front-ends.<\/li>\n<li>Ultra-low insertion loss (under 0.2 dB) ensuring maximum power transfer in both TX and RX.<\/li>\n<li>High power handling capacity suitable for QRO HF, VHF, and UHF setups.<\/li>\n<li>Pre-fitted with low-loss coaxial cable tails for simple, strain-free physical installation.<\/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;\">MX72D (MX-72D)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Frequency Range (LPF)<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">1.6 &#8211; 30 MHz &amp; 49 &#8211; 150 MHz<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Frequency Range (HPF)<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">400 &#8211; 460 MHz<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Power Rating: 1.6-30MHz<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">400W (CW) \/ 1,000W (PEP)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Power Rating: 49-150MHz<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">300W (CW) \/ 850W (PEP)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Power Rating: 400-460MHz<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">200W (CW) \/ 500W (PEP)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Insertion Loss<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">LPF: 0.1 dB \/ HPF: 0.2 dB<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Isolation Rating<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">60 dB<\/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\u03a9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">VSWR Threshold<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">Less than 1.2:1<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Connectors<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">LPF: PL-259 Male (with cable) \/ HPF: PL-259 Male (with cable) \/ Mix Port: SO-239 Female<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\">Physical Dimensions<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd;\">46 x 27 x 57 mm (excluding cables\/connectors)<\/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;\">180 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Package Content<\/h2>\n<ul>\n<li>1x Diamond MX72D Antenna Duplexer with Integrated Cable Leads<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Antenna duplexer<\/p>\n","protected":false},"featured_media":66510,"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":[12325,12328],"product_tag":[],"class_list":{"0":"post-66517","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-diamond-antenna-en","7":"product_cat-accesorios-de-antenas-en","8":"product_cat-duplexores-accesorios-de-antenas-en-2","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diamond MX72D Antenna Duplexer | Radio Communication Gear<\/title>\n<meta name=\"description\" content=\"B2B trade supply of the Diamond MX72D dual-band antenna duplexer. 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