This module is based on Nordic nRF52810 Soc ,The nRF52810 SoC is a powerful, highly fexible ultra-low power multiprotocol SoC ideally suited for Bluetooth low energy (previously called Bluetooth Smart), ANT and 2.4GHz ultra low-power wireless applications. The nRF52810 SoC is built around a 32-bit ARMe Cortex'm-M4F CPU with 192kB fash and 24 kB RAM. The embedded 2.4GHz transceiver supports Bluetooth low energy, ANT and proprietary 2.4GHz protocol stack. Processing power Multiprotocol radio(bluetooth low energy,ANT,2.4G proprietary) Power eficiency. Product Name: Bluetooth Beacon Chip: nRF52810 Bluetooth Version: V4.2 Antenna Type: PCB Antenna Power supply: 1 x CR2477 coin cell battery (not included) Operating temperature: 0~85°C Transmission distance: 0~50M Buttons: None Supported systems: for iOS / Android / PC gateway Application scenarios: Indoor positioning / Check-in / Marketing, promotion / Anti-loss device Bluetooth Broadcast Default Parameters: Bluetooth Advertising Name: Holy-IOT Password: AA14061112 UUID: FDA50693-A4E2-4FB1-AFCF-C6EB07647825 Major: 10011 Minior: 10012 TX power: +4dB ADV interval: 500ms One meter RSS1: -59dB Mac address: Default is the original processor's factory settings. Note: All the above parameters can be modified through "Holyiot-beacon". Color: White Material: ABS Package Contents: 1 * Bluetooth beacon 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.