[KongchangAI]
Unverified85% confidenceSolutionTime unknown

传菜呼叫系统选型标准路径:先测量实际穿墙距离与桌位数→确定频段(穿墙需求高选433MHz)→选接收方式(固定档口用屏幕主机、流动服务用手表接收器)→根据环境定防水等级→评估供电方式(桌位多选充电或太阳能)→预留可扩展编码容量

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