Hign-concerned Chemical:None Type:Module Condition: Type:WIFI Mesh AD Hoc Network Module Wi-Fi Mesh Ad Hoc Network Module Support AT command, serial communication, flow 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 generation 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 lightweight, 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.