Amp -ESP8266 M1 IoT-enabled ESP8285 WiFi Wireless Serial Transmitter Module Highlights Generic Brand ESP8266 M1 IoT-enabled WiFi Wireless Serial ESP8285 Serial Transmitter Module Description: TZ-M1: 15x12.3 ultra-small size, support a external ipx antenna TZ-M2: 15x12.3 ultra small size on-board antenna Even if the client does not connect to Wi-Fi, as long as the mobile phone's Wi-Fi option is not turned off, the Wi-Fi probe -Fi can detect the signal transmitted by the customer's mobile phone and can be used as a passenger. positioning of flows, identification of new and old customers, recognition of the customer's mobile phone brand and other data. analysis. Full channel, all packages are fully explored (can detect Apple mobile phones, Apple mobile phones only random MACs during the detection phase, other stages are real MACs). Even if the phone is connected to Wi-Fi, it can be detected (the probe modified by the general router cannot do this). From Wi-Fi module design, firmware development, positioning algorithm, probe support software, APP software, all aspects of the company's independent research and development, it can provide a full range of technical support and customization needs. Easy to integrate, integration can be completed with only 4 wires. Package includes: 1 piece wifi probe