海康威视 同轴视频分配器 1分4

评测依据

• review_count：3200
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_quality
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 01:02:47","to":"2026-06-26 01:02:47"}
• intros：{"brand_intro":"海康威视成立于2001年，是全球领先的安防产品及解决方案提供商，以视频监控为核心，深耕智能物联网领域。公司拥有强大的研发实力和完整的产业链，产品覆盖前端采集、后端存储及传输分配等全场景，连续多年位居全球安防50强前列，是中国安防行业标杆品牌。","product_intro":"DS-1DV104是一款高性能1分4同轴视频分配器，支持将一路模拟视频信号无损分配为四路输出，兼容PAL/NTSC制式。采用优质屏蔽材料和低失真电路设计，有效抑制信号衰减和干扰，传输距离可达300米。金属外壳坚固耐用，适用于安防监控、视频会议等场景。","key_specs":["输入接口：1路BNC","输出接口：4路BNC","带宽：10Hz-10MHz","增益：0dB±1dB","阻抗：75Ω","工作温度：-20℃~70℃"]}
• alt_products：[{"product_name":"海康威视 同轴视频分配器 1分4","brand":"海康威视","model":"DS-1DV104","price":89},{"product_name":"大华 同轴视频分配器 1分2","brand":"大华","model":"DH-VD102","price":55},{"product_name":"秋叶原 同轴视频分配器 1分4","brand":"秋叶原","model":"QY-104A","price":72}]
• kol_quotes：["安防老张：海康这款分配器是工地标配，三年没坏过。","数码评测师：百元内最稳的同轴分配方案。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为该分配器信号传输稳定，画质清晰无拖影，安装简便即插即用。金属外壳散热好，适合长时间运行。部分用户提到在超长距离（超过300米）时信号略有衰减，但日常监控距离完全够用。性价比高，是工程商和家庭用户的常用选择。","source_count":2}},{"source":"objective","score":95.24,"weight":0.5,"confidence":0.8,"details":{"rating_avg":4.8,"review_count":3200,"wom_score":94.1}},{"source":"user_review","score":96,"weight":0.2,"confidence":1,"details":{"rating_avg":4.8,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["安防老张：海康这款分配器是工地标配，三年没坏过。","数码评测师：百元内最稳的同轴分配方案。"]}}]
• method_version：v3
• search_visual：null