Marketing is essential for the product promotion and Minew is strictly control the quality of each marketing material. Mostly, customers always would like to experience true feelings of the product. However, the quality of the practicability is not longer the only factors when customers doing their selection. Exquisite is the new tendency. Let’s enjoy the visual feast!!! Interesting sidelights: All of the Bluetooth module display kit is 100% handmade, which carry with all minewer’s efforts. The details of Bluetooth module specifications in the below. Nordic nRF52832/nRF52810/52811 MS50SFB1 Features： Full GPIO and shielding cover BQB/CE/FCC/TELEC/RCM/IC/WPC/RoHs & Reach certified BLE 5.0 Antenna:PCB Size:20*12*2mm GPIO:32 Flash: 512KB/256KB/192KB RAM: 64KB/32KB/24KB TEMP Range:-30℃~+85℃ TX Power：-40~+4dBm Power Supply: DC to DC TX Circuit： 5.3mA（0dBm）/4.6mA(0dBm) RX Circuit：5.4mA/4.6mA MS50SFB2 Features： Full GPIO and shielding cover BQB/CE/FCC/TELEC/RCM/IC/WPC/RoHs & Reach certified BLE 5.0 Antenna:Ceramic chip Size:20*12*2mm GPIO:32 Flash:512KB/256KB/192KB RAM:64KB/32KB/24KB TEMP Range:-30℃~+85℃ TX Power：-40~+4dBm Power Supply: DC to DC TX Circuit： 5.3mA（0dBm）/4.6mA(0dBm) RX Circuit 5.4mA/4.6mA MS50SFB3 Features： Full GPIO and shielding cover BQB/CE/FCC/TELEC/RCM/IC/WPC/RoHs & Reach certified BLE 5.0 Antenna:IPEX/U.FL Size:20*12*2mm GPIO:32 Flash:512KB/256KB/192KB RAM:64KB/32KB/24KB TEMP Range:-30℃~+85℃ TX Power：-40~+4dBm Power Supply: DC to DC TX Circuit： 5.3mA（0dBm）/4.6mA(0dBm) RX Circuit：5.4mA/4.6mA MS50SFA1 Features： Small size PCB antenna and shielding cover CE/FCC/RoHS certified BLE 5.0 Antenna:PCB Size:15.8*12*2mm GPIO:13 Flash:512KB/256KB/192KB RAM:64KB/32KB/24KB TEMP Range:-30℃~+85℃ TX Power：-40~+4dBm Power Supply: DC to DC TX Circuit： 5.3mA（0dBm）/4.6mA(0dBm) RX Circuit：5.4mA/4.6mA MS50SFA2 Features： Small size Ceramic antenna and shielding cover CE/FCC/RoHS certified BLE 5.0 Antenna:Ceramic chip Size:15.8*12*1.8mm GPIO:13 Flash:512KB/256KB/192KB RAM:64KB/32KB/24KB TEMP Range:-30℃~+85℃ TX Power：-40~+4dBm Power Supply: DC to DC TX Circuit： 5.3mA（0dBm）/4.6mA(0dBm) RX Circuit：5.4mA/4.6mA Nordic nRF52840 MS88SF21 Features: BLE5.0 & IEEE 802.15.4 (Support Thread/Zigbee) USB interface/NFC Tag-A/Mesh network BQB/CE/FCC/TELEC/RCM/IC/WPC/RoHs & Reach certified Antenna:PCB Size:23.2*17.4*2mm GPIO:20 Flash:1MB RAM:256KB TEMP Range:-30℃~+85℃ TX Power:-20~+8dBm Power Supply: DC to DC TX Circuit:4.8mA(0dBm) RX Circuit:4.6mA MS88SF23 Features: BLE5.0 & IEEE 802.15.4 (Support Thread/Zigbee) USB interface/NFC Tag-A/Mesh network BQB/CE/FCC/TELEC/RCM/IC/WPC/RoHs & Reach certified Antenna:IPEX/U.FL Size:23.2*17.4*2mm GPIO:20 Flash:1MB RAM:256KB TEMP Range:-30℃~+85℃ TX Power:-20~+8dBm Power Supply: DC to DC TX Circuit:4.8mA(0dBm) RX Circuit:4.6mA