钻石 NR-770H 车载VHF/UHF天线

评测依据

• review_count：1800
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 02:11:03","to":"2026-06-26 02:11:03"}
• intros：{"brand_intro":"钻石（Diamond）是日本第一兴商株式会社旗下的无线电天线品牌，创立于1970年，全球车载天线市场占有率前三。钻石以精密制造和低驻波技术闻名，产品通过FCC、CE等国际认证。其天线采用专利镀银线圈和航空铝材，耐候性极强，被全球业余无线电爱好者视为\"品质标杆\"。在中国市场，钻石天线由正规代理进口，享有三年质保。","product_intro":"钻石NR-770H是一款经典双段车载天线，覆盖144/430MHz业余频段，增益分别为3.0dBi和5.5dBi。采用1/2波长+5/8波长复合设计，辐射角度低，适合远距离通信。天线主体为铝合金材质，表面黑色阳极氧化处理，防刮耐腐蚀。底部配备可更换式天线头（M型接口），支持快速拆卸。附带驻波调整说明书，适配主流电台如ICOM、Yaesu。","key_specs":["频率范围: 144-148MHz / 430-440MHz","增益: 3.0dBi (VHF) / 5.5dBi (UHF)","最大功率: 150W","驻波比: ≤1.3","长度: 1.02米","接口: UHF母头 (M型)"]}
• alt_products：[{"product_name":"钻石 NR-770H 车载VHF/UHF天线","brand":"钻石","model":"NR-770H","price":420}]
• kol_quotes：["@BH4TXN：NR-770H是我用过驻波最稳的天线，没有之一。","@业余无线电杂志：钻石NR-770H是城市通勤最佳选择。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":94.4,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价NR-770H为\"小钢炮\"，在1米长度内实现了接近长天线的增益。做工精致，阳极氧化层耐磨，使用三年仍光亮如新。接收底噪极低，弱信号解析力强。部分用户指出价格偏高，但认为物有所值。城市通勤场景中，地库进出无刮擦，柔韧性好。HAM圈公认的\"闭眼入\"型号，二手保值率极高。","source_count":3}},{"source":"objective","score":89.42557114228457,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":420,"wom_score":94.4}},{"source":"user_review","score":96,"weight":0.15,"confidence":1,"details":{"rating_avg":4.8,"review_count":1800,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@BH4TXN：NR-770H是我用过驻波最稳的天线，没有之一。","@业余无线电杂志：钻石NR-770H是城市通勤最佳选择。"]}}]
• method_version：v3
• search_visual：null