ZK-1603 is the small size and low power module for BLE 4.0 google voice remote controller

ZK-1603 is based on MT1603 BLE solution. Support Android O & Android P version software

Dual Band ble 4.0infrastructure
TX POWER 0~6dbm
UATR/SPI/13GPIO
Bluetooth V4.0 Low energy(LE)
DQPSK(2Mbps 8DPSK(3Mbps