SWM190RBT6-50 with Synwit LQFP-64 RoHS is an integrated circuit manufactured by Synwit Technology Co., Ltd. It is an ultra-low power, multi-channel, programmable RF transceiver, suitable for wireless communication standards such as Zigbee and BLE. It supports up to 28 user-programmable channels in up to 8 frequency bands and has a wide receive sensitivity of -105 dBm at 1.2 Kbps. It comes in an industry standard 64-pin, low-profile quad flat-pack (LQFP) form factor and is RoHS compliant. Its features include short transmit/receive latency times, high-speed SPI/UART interface, low power operation, superior receive sensitivity, and on-chip temperature sensor. It is designed for applications such as home automation, smart metering, lighting control, IoT and industrial process control.