Hign-concerned Chemical:None Type:Module Condition: Type:WIFI Mesh AD Hoc Network Module Wi-Fi Mesh Ad Hoc Network Module Support AT , serial communication, control Support up to 1000 MESH nodes E103-WO7 is a network protocol built on the Wi-Fi protocol, featuring Mesh setf-organizing network and self-healing capabilities, allowing it to autonomously construct and maintain itself. Wi-Fi MESH smart network module Wi-Fi MESH wireless network technology Based on multi-hop routing and peer-to-peernetworks productapplicationsolutions suitable formulti-levelnetworking Support for networking without a router Justspecify the channel,noneedto specify the router SSID and password Networking becomes more convenientand flexible Supports the MQTTV3.1.1 protocol The MQTTprotocolis , simple, open, andeasy to implement Itiswidelyused in the Internet ofThings small devices, mobile applications, andmore Color: As Shown Material: plastic Package Contents: 1 * Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.