Wireless Serial 6 Pin Bluetooth RF Transceiver HC-05 RS232 Master Slave M42

USD 7.15 USD

Enhanced isolated bidirectional 1-way RS232/485 to 8-channel RS485 hub repeater

USD 145.61 USD

Photoelectric isolation 1 way RS232 to 4 way RS485 industrial grade HUB rail

USD 119.61 USD

C2G 02947 RJ45/DB9M Modular Adapter

USD 12.50 USD

RS232 to RS485 1.2KM Data Interface Adapter Converter Good quality

USD 7.32 USD

HIN232ECPZ Intersil IC TXRX RS-232 5V ESD 16DIP NEW

USD 5.87 USD

HIN232ECPZ Intersil IC TXRX RS-232 5V ESD 16DIP NEW

USD 5.85 USD

433Mhz CC1101 USB Wireless RF Transceiver Module 10mW USB UART MAX232 RS232

USD 39.44 USD

HP Serial Port Adapter 628646-001 641397-001 628646-001 REV 0A OEM 2004 FR SHIP!

USD 8.99 USD

DC-DC B0505S-1W Isolation Power Module 4.5-5.5V For RS232/485 CAN IO 80% 20mHz M

USD 1.09 USD

Arduino BTBee/Bluetooth Bee USB to Serial port Adapter FT232RL Compatible Xbee

USD 7.91 USD

USB UART RF Transceiver Wireless Module 433Mhz CC1101 10mW MAX232 RS232

USD 14.70 USD

USB to TTL RS485 Serial Converter Adapter FTDI interface FT232RL Module

USD 8.06 USD

1pcs 125K EM4100 RFID Card Reader Module RDM6300 ID RF UART Output For Arduino

USD 9.44 USD

1pcs 125K EM4100 RFID Card Reader Module RDM6300 ID RF UART Output For Arduino

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STARTECH PROFESSIONAL 2 PORT USB TO RS-232 SERIAL ADAPTER ICUSB2322X

USD 28.11 USD

10PCS Serial Port Mini RS232 to TTL Converter Adaptor Module Board MAX3232

USD 9.06 USD

Pack of 4 MAX3232ECDW Dual Transmitter/Receiver RS-232 16-Pin SOIC, Cut Tape, Ro

USD 5.99 USD

CH340G USB 2.0 to 9-pin RS232 COM Port Serial Convert Adapter NEW M66

USD 1.14 USD

Optically isolated USB to RS485/422/232/TTL industrial lightningprotection

USD 59.98 USD