老鹰 车载偶极天线 双段高增益天线

评测依据

• review_count：1800
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• 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":"老鹰（Eagle）是国产中高端无线电天线品牌，以精密制造和优异电气性能闻名。品牌拥有多项天线专利技术，产品线涵盖车载天线、基地台天线及手持天线。老鹰天线在业余无线电圈内口碑极佳，尤其以低驻波比、高增益和长寿命著称，是进阶玩家的首选品牌之一。","product_intro":"EA-7700是一款双段车载偶极天线，覆盖144/430MHz业余频段，采用五单元加感振子设计，增益较普通天线提升约30%。天线主体为不锈钢材质，底部配有可调节角度支架，适配不同车型。接口为M型镀金头，信号传输损耗低。整体长度1.5米，外观为银色磨砂质感，兼具美观与实用性。","key_specs":["频率范围：144MHz / 430MHz","增益：3.5dBi（U段）/ 4.5dBi（V段）","阻抗：50Ω","最大功率：150W","接口类型：M型镀金","长度：1.5米"]}
• alt_products：[{"product_name":"老鹰 车载偶极天线 双段高增益天线","brand":"老鹰","model":"Eagle EA-7700","price":128},{"product_name":"钻石 车载偶极天线 双频段高增益天线","brand":"钻石","model":"Diamond NR-770H","price":298}]
• kol_quotes：["知名无线电UP主'电波猎人'：老鹰EA-7700是国产天线中的'小钢炮'，增益数据不输进口品牌。","HAM论坛版主'天线达人'：这款天线在430MHz频段的表现堪称惊艳，适合中远距离通联。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价该天线做工精良，信号接收能力明显优于同价位产品。在郊区通联中，V段可稳定覆盖15-20公里；U段穿透力强，适合城市高楼环境。驻波比普遍在1.2以下，对电台保护性好。少数用户反映天线较长，在限高停车场需注意。整体满意度极高，复购率超过30%。","source_count":3}},{"source":"objective","score":91.0888944723618,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.8,"price":128,"wom_score":90.6}},{"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":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["知名无线电UP主'电波猎人'：老鹰EA-7700是国产天线中的'小钢炮'，增益数据不输进口品牌。","HAM论坛版主'天线达人'：这款天线在430MHz频段的表现堪称惊艳，适合中远距离通联。"]}}]
• method_version：v2
• search_visual：null