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修改這篇文章 : 2km Distance RF Transceiver 433MHz RS232 Transmitter, RS485 Receiver, 500mW or 1W

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about 2km transmission distance, RS232, RS485,TTL interface are available. It is widely used for wireless PTZ control and wireless LED display. Data Sheet: Power output: DC 5V (customize) RF power: ≤500mW(customized 500mW~1W) RF effective rate: 1,200/2,400/4,800/9,600/19,200bps Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps optional Frequency band: 433 MHz, 450MHz,470MHz, 868MHz, 915MHz or ISM others Interface: standard RS-232/RS-485/TTL Communication mode: half-duplex Offering a transparent data interface, it is suitable for any standard or non-standard user protocols Channel: 8(default),16/32(customized) Receive current: less than 28mA(TTL connect) Receive sensitivity: -123dBm@1,200bps); -118dBm@9,600bps) Transmitting current: less than 400mA Sleep current: less than 20uA RF line-of-sight range: more than 2km (BER=10-5@9,600bps); 3km (BER=10-5@1,200bps) Size: 53 x 38 x 10mm (without antenna port) Application: Wireless LED display, Wireless LED Sign, Wireless Lighting Management Wireless Attendance Checking Machine, Attendance Record Machine, Finger Print Machine Wireless Alarm System, Wireless Security system, wireless intruder alarm Wireless fire alarm system Wireless Laser Barcode Scanner Wireless LCD Baby monitor, wireless monitoring sensor Wireless POS Terminal, Wireless PAD Oil and Gas Telemetry, Oil Field Management Water Level Controller, water detector Pressure sensor, Temperature sensor, wireless monitoring Wireless Sensor, Digital force recorder, Digital weight indicator, wireless electronic scale Queuing Management System Automatic Meter Reading Tire pressure monitoring, Four-wheel Orientation Medical Treatment, Medical Alerts , Wireless nurse calling system Industry Automation, Home automation, Building automation, Access Control System Wireless Remote control Wireless PTZ Control Wireless irrigation system, Drip irrigation Intelligent Traffic system SCADA, APRS

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