433mhz Bluetooth rfid long range reader for car park access control system

Hot sale 433mhz Bluetooth rfid long range reader for car park access control system TRF-820 is a high performance, good price 433MHz long range Bluetooth RFID card reader, reading distance up to 20m, widely used for RFID Radio Frequency Identification system and project, such as Automated parking management system, Personal identification, Access controller, Production Access control, etc Technical parameters: l Power Supply: DC 12V/3A l Working Frequency: 433MHZ l Infrared