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Yealink Yealink SIP T77U DEERMA Slim and lightweight design Slim and lightweight design 45 or 60 minutes (10 minutes on and 5 minutes off) supportant l'alimentation via ce port (PoE) Oui Tension d'entrée de l'adaptateur secteur 100 240 V Tension sortie de l'adaptateur secteur 5 V Courant de sortie de l'adaptateur secteur 2 A Conditions environnementales Température d'opération 10 45 °C Humidité relative de fonctionnement (H H) 5 95% Température hors fonctionnement 30 70 °C Poids et dimensions Largeur 262 le T77U offre une qualité audio exceptionnelle et des communications vocales cristallines
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