rs232 rs485

Total of 318 results:


RF Transceiver Modules(1100U) 300m  RS232/RS485/TTL
RF power: 50/17dBm; Receiving current: 20mA; Transmitting current: 40mA; Power supply: 3.3 to 5V DC; Receiving sensitivity: -108dBm (@9,600bps) ; Dimensions: 47 x 24 x 6mm (without antenna port) ; Range: 300m (BER= 10 to 5 @ 9,600bps, whe....

RF Transceiver Modules(320H) 6-10km  RS232/RS485/TTL
Transparent data transmission; Half-duplex integration of receiver and transmitter; RF power: <=5W /37dBm; Range: 6-10Km(BER=0.001@9600bps, in open area) ; Receiving current: <30mA; Transmitting current: <1.5A; Sleep current: <1mA; Powe....

Fingerprint Access Controller SC-007  (RS232, RS485, TCP/ IP )
Highlight applications of this Biometric Fingerprint attendance and access control: This machina is specially designed for office, suit for entrance of the company, warehouse, manager's room, financial room, etc. Technical specifications: 1) User....

RF module, RS232/RS485/TTL serial data to wireless
e designed data transceiver mdoule for Serial (UART data) to RF in industrial application with high reliability and stability. They work on ISM frequency band, half duplex integrated receiving and transmitting. Modules could directly connect with mon....

T4 - multimedia time & attendance and simple access control card terminal
Product Description T4 is the latest advanced fingerprint product of ZKS in 2007, it is not traditional Time & Attendance and Access Control. The scientific definition is the Multimedia Time & Attendance and Access Control Identification Terminal. H....

Access Control Door Reader
CV5xxx access control door reader family is a contactless read/write or read only (UID) device that supports ISO14443A/B, ISO15693 and Mifare + EM 125kHz dual frequency. It features compatibility for most controllers on the market, and it has uni....

High frequency 3phase online UPS 10kva-80kva
Product capability The Industry HP33 Series is online UPS that adopts double-switch structure and 3-phase high frequency. The series product is applicable to small and medium-sized data centers, network management center, computer rooms for enterpri....
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100mW rf data module 433MHz RS232 RS485 TTL interface 1km
Parameter: Power output: 5V DC RF power: 100mW Air baud rate: 1,200/2,400/4,800/9,600/19,200bps choose one Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable Frequency band: 433, 450, 470, 868, 915 or ISM others Int....

1W radio modem PLC wireless control RS232, RS485,USB interface
Introduction: LS-R324 is a 1W radio modem, transmit 3km LOS. It supports UHF band, 24V power supply. Usually works as DTU to connect with PLC and other industrial control devices. LS-R324 Supports RS485 Modbus RTU protocol. Has the advantage of reg....

A2 -Professional Access Control Terminal
ZKS-A2 A2 is an innovative stand-alone fingerprint reader that can be used in Access Control and Time Attendance applications. It can be installed standalone or with any third party panel that support 26-bit Wiegand. Users will benefit from its un....