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      AlibabaElectrical Equipment & SuppliesIndustrial ControlsPLC, PAC, & Dedicated ControllersWholesale communications modules

      Communications Modules

      (87716 products available)

      New Original 6ES7241-1CH30-1XB0 6es72411ch301xb0 S7-1200 Communication Module Stock In Warehouse

      New Original 6ES7241-1CH30-1XB0 6es72411ch301xb0 S7-1200 Communication Module Stock In Warehouse

      $46.00
      Min Order: 1 piece
      CN
      2 yrsverify
      4.9
      /5
      ·
      132 reviews
      ·
      "fast delivery"
      Contact Supplier
      Input 220V Output 5V 2A 10W power line communication module HLK-10M05 AC to DC 5v 10w 2A Step Down mini Power Supply Module

      Input 220V Output 5V 2A 10W power line communication module HLK-10M05 AC to DC 5v 10w 2A Step Down mini Power Supply Module

      Ready to Ship
      $1.50 - $1.75
      Min Order: 10 pieces
      Shipping per piece: $2.43
      CN
      10 yrsverify
      4.9
      /5
      ·
      34 reviews
      ·
      "great service"
      Contact Supplier
      CJMCU-230 CAN bus transceiver communication module SN65HVD230

      CJMCU-230 CAN bus transceiver communication module SN65HVD230

      $1.95 - $2.50
      Min Order: 1 piece
      CN
      9 yrsverify
      4.9
      /5
      ·
      149 reviews
      ·
      "Good service"
      Contact Supplier
      Industry KQ330 power line carrier data transceiver module KQ-130S for powerline communication module

      Industry KQ330 power line carrier data transceiver module KQ-130S for powerline communication module

      $1.00 - $10.00
      Min Order: 1 piece
      CN
      9 yrsverify
      4.9
      /5
      ·
      40 reviews
      ·
      "fast delivery"
      Contact Supplier
      bom service Original 4G communication module SIM7600E SIM7600CE

      bom service Original 4G communication module SIM7600E SIM7600CE

      $13.00 - $16.00
      Min Order: 1 piece
      CN
      6 yrs
      4.9
      /5
      ·
      24 reviews
      ·
      "Fast shipping"
      Contact Supplier
      Yokogawa ALF111-S00 S1 Fieldbus Communication Module

      Yokogawa ALF111-S00 S1 Fieldbus Communication Module

      $50.00 - $150.00
      Min Order: 1 piece
      CN
      1 yrs
      4.8
      /5
      ·
      17 reviews
      ·
      "Good supplier"
      Contact Supplier
      Original ABB CI840A 3BSE041882R1 AC800M DCS S800 I/O Module Communication Modules

      Original ABB CI840A 3BSE041882R1 AC800M DCS S800 I/O Module Communication Modules

      $80.00 - $176.00
      Min Order: 1 unit
      CN
      2 yrs
      5.0
      /5
      ·
      14 reviews
      ·
      "speedy delivery"
      Contact Supplier
      FOXBORO Ethernet Communication Module FBM232 P0926GW Used Good In Condition

      FOXBORO Ethernet Communication Module FBM232 P0926GW Used Good In Condition

      $400.00 - $800.00
      Min Order: 1 unit
      CN
      4 yrs
      4.4
      /5
      ·
      15 reviews
      ·
      "Professional service"
      Contact Supplier
      2.4G SOC wireless module TTL level UART serial port BK2461 2.4ghz rf module wireless transceiver serial communication module

      2.4G SOC wireless module TTL level UART serial port BK2461 2.4ghz rf module wireless transceiver serial communication module

      Ready to Ship
      $2.16 - $2.98
      Min Order: 5 pieces
      Shipping per piece: $3.37
      CN
      8 yrs
      4.9
      /5
      ·
      39 reviews
      ·
      "quick delivery"
      Contact Supplier
      Honeywell spare parts Communication module 10018/E/1 for honeywell FSC system series

      Honeywell spare parts Communication module 10018/E/1 for honeywell FSC system series

      $2,500.00 - $3,500.00
      Min Order: 1 set
      CN
      11 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      "professional service"
      Contact Supplier
      M66 GPRS Wireless Communication Module New & Original M66FA-04-STD

      M66 GPRS Wireless Communication Module New & Original M66FA-04-STD

      $6.00 - $10.00
      Min Order: 1 piece
      CN
      14 yrs
      4.9
      /5
      ·
      61 reviews
      ·
      "fast delivery"
      Contact Supplier
      NEW ORIGINAL PLC communication module CP1W-CIF11 CP1W-CIF01 CP1W-CIF12

      NEW ORIGINAL PLC communication module CP1W-CIF11 CP1W-CIF01 CP1W-CIF12

      $0.10 - $1.00
      Min Order: 1 piece
      CN
      8 yrs
      5.0
      /5
      ·
      17 reviews
      ·
      "Good customer support"
      Contact Supplier
      JDY-40 2.4G remote communication module serial port transmission transceiver module NRF24L01 adaptor

      JDY-40 2.4G remote communication module serial port transmission transceiver module NRF24L01 adaptor

      $0.30 - $0.80
      Min Order: 1 piece
      CN
      7 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "perfect delivery"
      Contact Supplier
      CH375 USB Interface Communication Module CH375B U Disk Reader Module

      CH375 USB Interface Communication Module CH375B U Disk Reader Module

      Ready to Ship
      $1.26 - $1.40
      Min Order: 10 pieces
      Shipping per piece: $0.88
      CN
      12 yrsverify
      4.8
      /5
      ·
      45 reviews
      ·
      "good service"
      Contact Supplier
      GSM/GPRS Wireless Communication Module Supports BT SIM800 SIM800C

      GSM/GPRS Wireless Communication Module Supports BT SIM800 SIM800C

      $1.00 - $2.00
      Min Order: 1 piece
      CN
      8 yrs
      4.8
      /5
      ·
      89 reviews
      ·
      "fast shipping"
      Contact Supplier
      Okystar HC-06 ESP-M2 DT-06 ESP8266 Wireless WiFi Serial communication TTL to WiFi module

      Okystar HC-06 ESP-M2 DT-06 ESP8266 Wireless WiFi Serial communication TTL to WiFi module

      Ready to Ship
      $2.27 - $2.52
      Min Order: 5 pieces
      Shipping per piece: $1.24
      CN
      18 yrs
      4.8
      /5
      ·
      14 reviews
      ·
      "good service"
      Contact Supplier
      Honeywell XD50B-FCL Controller Communication Module

      Honeywell XD50B-FCL Controller Communication Module

      $123.00 - $456.00
      Min Order: 1 piece
      CN
      6 yrs
      4.7
      /5
      ·
      11 reviews
      ·
      "Great Service"
      Contact Supplier
      SIEMENS SIMATIC S7-1200 Communication Module CM 1241 RS422/485 9-pole D-sub 6ES7241-1CH32-0XB0 6ES72411CH320XB0 Original New

      SIEMENS SIMATIC S7-1200 Communication Module CM 1241 RS422/485 9-pole D-sub 6ES7241-1CH32-0XB0 6ES72411CH320XB0 Original New

      Ready to Ship
      $56.95
      Min Order: 1 piece
      Shipping per piece: $9.63
      CN
      1 yrs
      4.8
      /5
      ·
      2 reviews
      ·
      Contact Supplier
      2.4GHz wireless communication module AN2652RB Internet of Things wireless communication embedded system applications ODM custom

      2.4GHz wireless communication module AN2652RB Internet of Things wireless communication embedded system applications ODM custom

      $5.33 - $5.92
      Min Order: 100 pieces
      CN
      5 yrsverify
      5.0
      /5
      ·
      4 reviews
      ·
      "Packed well"
      Contact Supplier
      NRF24L01+PA+LNA wireless Communication module 1000M + antena

      NRF24L01+PA+LNA wireless Communication module 1000M + antena

      $0.10 - $1.00
      Min Order: 10 pieces
      CN
      9 yrsverify
      4.2
      /5
      ·
      5 reviews
      ·
      "quick process"
      Contact Supplier
      ADUM3201 + B0505XT TTL to RS485 isolation module ADUM5401 485 to TTL isolated 485 isolation communication module RS485 module

      ADUM3201 + B0505XT TTL to RS485 isolation module ADUM5401 485 to TTL isolated 485 isolation communication module RS485 module

      Ready to Ship
      $5.50
      Min Order: 1 piece
      Shipping per piece: $4.34
      CN
      4 yrs
      4.8
      /5
      ·
      11 reviews
      ·
      "Great service"
      Contact Supplier
      Isolated TTL to 485 module RS485 to TTL communication MCU serial port line converter case industrial grade

      Isolated TTL to 485 module RS485 to TTL communication MCU serial port line converter case industrial grade

      $4.00 - $5.00
      Min Order: 1 piece
      CN
      6 yrs
      4.8
      /5
      ·
      51 reviews
      ·
      "Excellent service"
      Contact Supplier
      Module Modbus RTU 4 Channel Input and Output Relay RS485 TTL Communication Module 4 Way Optical Coupling Isolation

      Module Modbus RTU 4 Channel Input and Output Relay RS485 TTL Communication Module 4 Way Optical Coupling Isolation

      $4.00 - $10.00
      Min Order: 1 piece
      CN
      6 yrs
      4.8
      /5
      ·
      5 reviews
      ·
      "fast dispatch"
      Contact Supplier
      MVI46-MCM communication module 800 mA 5.1V DC MVI46MCM ,In stock best price

      MVI46-MCM communication module 800 mA 5.1V DC MVI46MCM ,In stock best price

      $99.00 - $199.00
      Min Order: 5 pieces
      CN
      2 yrs
      5.0
      /5
      ·
      7 reviews
      ·
      "good service"
      Contact Supplier
      WP3082ADAM ( 8AI ) _ 0-20MA / 4-20MA analog input module / RS485 MODBUS RTU communications

      WP3082ADAM ( 8AI ) _ 0-20MA / 4-20MA analog input module / RS485 MODBUS RTU communications

      $24.00 - $26.00
      Min Order: 10 pieces
      CN
      2 yrs
      4.7
      /5
      ·
      9 reviews
      ·
      "great business"
      Contact Supplier
      Distributors SIPLUS S7-1200 6GK7342-5DA03-0XE0 communications module Siemens

      Distributors SIPLUS S7-1200 6GK7342-5DA03-0XE0 communications module Siemens

      Ready to Ship
      $979.00
      Min Order: 1 piece
      Shipping per piece: $53.54
      CN
      12 yrs
      4.9
      /5
      ·
      35 reviews
      ·
      "Fast service"
      Contact Supplier
      Communication module CM 1542-5 S7-1500 PROFIBUS DP 6GK7542-5DX00-0XE0

      Communication module CM 1542-5 S7-1500 PROFIBUS DP 6GK7542-5DX00-0XE0

      $1,123.00 - $1,980.00
      Min Order: 1 piece
      CN
      9 yrs
      4.8
      /5
      ·
      24 reviews
      ·
      "good service"
      Contact Supplier
      CP2112 Debug Board USB to SMBus I2C Communication Module 2.0 MicroUSB 2112 Evaluation Kit for CCS811 Sensor Module

      CP2112 Debug Board USB to SMBus I2C Communication Module 2.0 MicroUSB 2112 Evaluation Kit for CCS811 Sensor Module

      Ready to Ship
      $9.89 - $10.49
      Min Order: 2 pieces
      Shipping per piece: $2.17
      CN
      5 yrs
      4.7
      /5
      ·
      28 reviews
      ·
      "Fast shipping"
      Contact Supplier
      (original and new) 2.4G NRF24L01+ PA LNA Antenna Wireless Transceiver communication module 1100 Meter Range

      (original and new) 2.4G NRF24L01+ PA LNA Antenna Wireless Transceiver communication module 1100 Meter Range

      $1.55 - $1.80
      Min Order: 1 piece
      CN
      10 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      "good service"
      Contact Supplier
      6GK7243-5DX30-0XE0 Communication module CM 1243-5 for connection of SIMATIC S7-1200 to PROFIBUS as DP Master module

      6GK7243-5DX30-0XE0 Communication module CM 1243-5 for connection of SIMATIC S7-1200 to PROFIBUS as DP Master module

      $200.00 - $999.00
      Min Order: 1 piece
      CN
      9 yrsverify
      4.9
      /5
      ·
      33 reviews
      ·
      "Excellent service"
      Contact Supplier
      Profinet Ethernet Communication Module MCA120 130B1235

      Profinet Ethernet Communication Module MCA120 130B1235

      $550.00 - $650.00
      Min Order: 1 piece
      CN
      5 yrs
      5.0
      /5
      ·
      3 reviews
      ·
      "customer service"
      Contact Supplier
      Good Lora 868M/915Mhz Module spread Spectrum Long-Range Wireless Communication Wireless Transceiver Module LORA/GFSK SX1276

      Good Lora 868M/915Mhz Module spread Spectrum Long-Range Wireless Communication Wireless Transceiver Module LORA/GFSK SX1276

      $3.60 - $3.80
      Min Order: 5 pieces
      CN
      4 yrsverify
      4.8
      /5
      ·
      54 reviews
      ·
      "good service"
      Contact Supplier
      100% Original New Ethernet TCP/IP communication module VW3A3616 VW3A3608 TCP/IP Option Card VW3A series

      100% Original New Ethernet TCP/IP communication module VW3A3616 VW3A3608 TCP/IP Option Card VW3A series

      $144.90
      Min Order: 1 piece
      CN
      4 yrs
      4.9
      /5
      ·
      107 reviews
      ·
      "Good service"
      Contact Supplier
      Original 4G Communication Module SIM7600E-H

      Original 4G Communication Module SIM7600E-H

      $0.10
      Min Order: 1 piece
      CN
      6 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "received on time"
      Contact Supplier
      Haiwell S01RS PLC communication module with RS232 RS485 port

      Haiwell S01RS PLC communication module with RS232 RS485 port

      $60.00 - $113.00
      Min Order: 1 piece
      CN
      9 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "good service"
      Contact Supplier
      SONGWEI Plc Communication Module 1756-EN2TR For Industrial Controls 1756EN2TR

      SONGWEI Plc Communication Module 1756-EN2TR For Industrial Controls 1756EN2TR

      $997.00 - $1,467.00
      Min Order: 1 piece
      CN
      10 yrsverify
      4.9
      /5
      ·
      17 reviews
      ·
      "quality supplier"
      Contact Supplier
      HC-05 Bluetooth Serial Transmission Module HC-06 Bluetooth Wireless Transmission Module Master-Slave Serial Communication

      HC-05 Bluetooth Serial Transmission Module HC-06 Bluetooth Wireless Transmission Module Master-Slave Serial Communication

      $2.30
      Min Order: 1 piece
      CN
      3 yrs
      4.4
      /5
      ·
      6 reviews
      ·
      "fast shipping"
      Contact Supplier
      Fast shippi9ng good price power line communication module FR-ABR-H1.5K

      Fast shippi9ng good price power line communication module FR-ABR-H1.5K

      $10.00 - $15.00
      Min Order: 1 piece
      CN
      6 yrs
      4.7
      /5
      ·
      15 reviews
      ·
      "fast shipping"
      Contact Supplier
      JDY-16 4.2 module serial communication module

      JDY-16 4.2 module serial communication module

      $2.00 - $3.00
      Min Order: 10 pieces
      CN
      8 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "Excellent service"
      Contact Supplier
      Best sell Siemens Communication module 6GK1571-1AA00

      Best sell Siemens Communication module 6GK1571-1AA00

      $250.00 - $300.00
      Min Order: 1 piece
      CN
      6 yrs
      5.0
      /5
      ·
      12 reviews
      ·
      "Great job"
      Contact Supplier
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      About products and suppliers

      87716 communications modules products are offered for sale by suppliers on Alibaba.com, of which plc, pac, & dedicated controllers accounts for 34%, rf transceiver modules and modems accounts for 1%, and integrated circuits （old） accounts for 1%. A wide variety of communications modules options are available to you, such as automated, industrial automation and rectifier module.You can also choose from new, 100% original communications modules,
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