សៀវភៅណែនាំអ្នកប្រើប្រព័ន្ធហៅឥតខ្សែ RETEKESS TD164
Queue Wireless Calling System User Manual TD164 EU Importer: Germany Retevis Technology GmbH Address: Uetzenacker 29,38176 wendeburg Functional Diagram Parameter Host Pager Input Power DC12V/2A Battery Li-ion 3.7V 300mAh Frequency 433.92MHz Frequency 433.92MHz Transmit Power 26dBm Standby Current <12mA Standby…