PFM881

  • Marca: Dahua
  • Modelo: PFM881
Classificação:
100%
5/5.0
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    23 Years Expertise
    24 Years Expertise
    Proven, deployment-focused
  • Condition
    • Original New
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    Vista Geral

    Dahua PFM881 Vista Geral

    > Suporta temperatura externa: -30℃~70℃, design industrial;
    > Alcance recomendado de cobertura sem fio≤3km;
    >O anti-trovão de boca de radiofrequência atinge 15KV ESD;
    >Função de alcance automático de suporte, distância em linha reta de exibição em tempo real entre o cliente e a estação base;
    > Função de reinicialização automática do dispositivo de suporte;
    > Suporte ao modo 5G 5745~5825MHz (alcance estendido: 4920~6100MHz);
    >Apoie o controle de fluxo, controle efetivamente o controle de fluxo de entrada/saída da estação base/cliente;
    >Suporte à partição VLAN, realize a função de rede local virtual, controle a tempestade de transmissão
    >Suporte ao método de autenticação 802.1x, garante efetivamente o controle de acesso do cliente, fornece segurança de acesso.
    >Suporte à configuração de prioridade do cliente, melhor despachar cada cliente quando o modo é ponto a multiponto
    >Suporte à opção de múltiplos canais (5M/10M/20M/40M), efetivamente melhora a capacidade anti-interferência e penetração

    Certificações de qualidade

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Especificação

    Dahua PFM881 Especificação

    Especificação PFM881

    Modelo
    DH-PFM881
    Recursos sem fio
    Padrão sem fio
    IEEE802.11 a/n
    Frequência de trabalho
    5745~5825MHz (alcance estendido: 4920~6100MHz)
    Velocidade sem fio
    300 Mbps
    Modo de modulação
    OFDM
    Antena
    Antena embutida: ganho 15dBi
    Potência de saída
    27dBm (máx.)
    Recebendo Sensibilidade
    -74dBm@65Mbps, -96dBm@1Mbps
    Distância de Transmissão
    0-3KM
    Ângulo de direção sem fio
    Horizontal 40°, vertical 15°
    hardware
    Poder
    1*PoE RJ45(ENTRADA: 220V, SAÍDA: 24V/0,5A);
    Consumo de energia
    máx. 8W
    Conexão de Rede
    1 * LAN RJ45 + 1 * LAN RJ45 do adaptador PoE passivo
    Luz indicadora
    Luz indicadora de status Wi-Fi / luz indicadora de porta LAN / luz indicadora de energia / luz indicadora de intensidade do sinal
    Temperatura de trabalho
    -30℃~+70℃
    Temperatura de armazenamento
    -30℃~+80℃
    Umidade de Trabalho
    5% ~ 95% RH (sem condensação)
    Dimensão do equipamento
    280mmx30mmx80mm
    Peso do equipamento
    0,45Kg
    Diâmetro do mastro
    40mm~60mm
    Programas
    Tipo de encriptação
    WEP/WPA-PSK/WPA2/CCMP(AES)/TKIP
    Modo de rede
    Ponte de rota/rede
    Modo de trabalho
    Ponto de acesso/cliente/AP WDS/cliente WDS/repetidor WDS
    Mecanismo de Segurança
    Filtragem de endereço IP/MAC, ocultar nome de rede, etc.
    protocolo de rede
    TCP/UDP/ARP/ICMP/DHCP/HTTP/NTP
    Aprimoramento TDMA
    Suporte (TDMA elimina a influência de nós ocultos e melhora muito o desempenho de um para muitos)
    Ajuste de tempo de ACK automático
    Suporte (otimize automaticamente o parâmetro dentro da comunicação de longa distância e torne o desempenho ideal)
    Gerenciamento e registro
    NTP, SNMP, Syslog, Telnet
    Gerenciamento de configuração de página da Web
    Suporte a configuração de página da web
    Atualização de Firmware
    Suporta atualização da página da web do firmware
    Comunicação de longa distância
    Taxa de transferencia
    ≤40 Mbps @ 3 km
    Configuração Flexível de Largura de Banda
    5M/10M/20M/40MHz

    Certificações de qualidade

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Need Help? Technical Experts Available Now.
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    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.
    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Dahua-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Política de devolução page for more information.
    • Free Dahua Suporte técnico
      Our Dahua-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pague por transferência bancária.
      • Pague com seu paypal.
      • Pague com seu cartão de crédito Visa.
      • Pague com seu cartão de crédito Mastercard.
      • Pague com seu cartão Discover.
      • Pay by American Express.
      More
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Política de Garantia page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contacte-nos page for more support options.

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