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Discover Communication product treasures from around the world with our guide to cross-border e-commerce. VKDN curates the latest and high-quality recommendations for your global shopping experience in Communication products.

Showing 109–144 of 209 results

40% off
Uart Interface SX1278 Supporting Chip Long Range Wireless Module Communication Wireless Hc 14 433MHz Uart Interface SX1278 Supporting Chip Long Range Wireless Module Communication Wireless Hc 14 433MHz

Uart Interface SX1278 Supporting Chip Long Range Wireless Module Communication Wireless Hc 14 433MHz

$63.77$106.29

5% off
CCC-VPRO-IO communication card CCC-VPRO-IO communication card

CCC-VPRO-IO communication card

$412.30$434.00

50% off
Wireless Module HC 14 433MHz with UART Interface and SX1278 Chip Supporting Long Range Wireless For communication Wireless Module HC 14 433MHz with UART Interface and SX1278 Chip Supporting Long Range Wireless For communication

Wireless Module HC 14 433MHz with UART Interface and SX1278 Chip Supporting Long Range Wireless For communication

$81.69$163.38

5% off
DPS-300NB B communication power module DPS-300NB B communication power module

DPS-300NB B communication power module

$194.75$205.00

5% off
R4850 R4850G6 Communication power supply module 48V50A R4850 R4850G6 Communication power supply module 48V50A

R4850 R4850G6 Communication power supply module 48V50A

$1235.00$1300.00

50% off
M01K Waterproof RFID 125KHZ Low Frequency RFHID RS232 Read Card Device Hid RS232 TTL Level Communication M01K Waterproof RFID 125KHZ Low Frequency RFHID RS232 Read Card Device Hid RS232 TTL Level Communication

M01K Waterproof RFID 125KHZ Low Frequency RFHID RS232 Read Card Device Hid RS232 TTL Level Communication

$213.77$427.55

New SCS SENTINEL Tuya Smart Switch Module 2CH WIFI Garage Remote Control Receiver AC/DC 7-32V 85-250V 433.92MHz Radio Controller New SCS SENTINEL Tuya Smart Switch Module 2CH WIFI Garage Remote Control Receiver AC/DC 7-32V 85-250V 433.92MHz Radio Controller

New SCS SENTINEL Tuya Smart Switch Module 2CH WIFI Garage Remote Control Receiver AC/DC 7-32V 85-250V 433.92MHz Radio Controller

$33.35$33.35

23 sold
5% off
3-RS232 communication card 140315 REV.A 3-RS232 communication card 140315 REV.A

3-RS232 communication card 140315 REV.A

$1425.00$1500.00

55% off
B49C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller Bo B49C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller Bo

B49C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller Bo

$16.33$36.29

38% off
Limited Stock！ 4G Full Band Radio Car Intercom Communicator Set Radio 5000KM National Walkie-Talkie Car Radio Waterproof Limited Stock！ 4G Full Band Radio Car Intercom Communicator Set Radio 5000KM National Walkie-Talkie Car Radio Waterproof

Limited Stock！ 4G Full Band Radio Car Intercom Communicator Set Radio 5000KM National Walkie-Talkie Car Radio Waterproof

$76.33$123.12

5% off
Multifunctional communication network card S02349954 D113L.TP4B2 Multifunctional communication network card S02349954 D113L.TP4B2

Multifunctional communication network card S02349954 D113L.TP4B2

$4750.00$5000.00

5% off
Single/Two/Four Door Network Access Control Panel With Software Communication Protocol TCP/IP Wiegand Reader Access controller Single/Two/Four Door Network Access Control Panel With Software Communication Protocol TCP/IP Wiegand Reader Access controller

Single/Two/Four Door Network Access Control Panel With Software Communication Protocol TCP/IP Wiegand Reader Access controller

$33.25$35.00

1 sold
NCS-NCWPCA NCS-W communication card NCS-NCWPCA NCS-W communication card

NCS-NCWPCA NCS-W communication card

$486.00$486.00

40% off
BTLIFE-Multi-Function Expansion Interface For Expand Chain Device HY2.0-4P Unit Chainbus Communication Protocol Conversion Unit BTLIFE-Multi-Function Expansion Interface For Expand Chain Device HY2.0-4P Unit Chainbus Communication Protocol Conversion Unit

BTLIFE-Multi-Function Expansion Interface For Expand Chain Device HY2.0-4P Unit Chainbus Communication Protocol Conversion Unit

$10.74$17.90

13.56Mhz IC M1 Card Smart USB Communication NFC Contactless Access Control RFID Card Reader Module 13.56Mhz IC M1 Card Smart USB Communication NFC Contactless Access Control RFID Card Reader Module

13.56Mhz IC M1 Card Smart USB Communication NFC Contactless Access Control RFID Card Reader Module

$64.20$64.20

1 sold
73% off
For modbus Remote Terminal Unit Switch Module with 4 Outputs and Dual RS485 UART Communication for Data Acquisition For modbus Remote Terminal Unit Switch Module with 4 Outputs and Dual RS485 UART Communication for Data Acquisition

For modbus Remote Terminal Unit Switch Module with 4 Outputs and Dual RS485 UART Communication for Data Acquisition

$24.89$92.20

22% off
A2BA Industrial Control and Collection Module with Communication Link, Side Mounting Flanges and Clear Wiring Layout for Remote A2BA Industrial Control and Collection Module with Communication Link, Side Mounting Flanges and Clear Wiring Layout for Remote

A2BA Industrial Control and Collection Module with Communication Link, Side Mounting Flanges and Clear Wiring Layout for Remote

$216.38$277.41

High Quality Serial Server Module RS232 RS485 UART to Ethernet TCP/IP Converter Embedded DTU for Industrial Communication High Quality Serial Server Module RS232 RS485 UART to Ethernet TCP/IP Converter Embedded DTU for Industrial Communication

High Quality Serial Server Module RS232 RS485 UART to Ethernet TCP/IP Converter Embedded DTU for Industrial Communication

$37.00$37.00

5% off
Multifunctional communication board 03-21256-01 card Multifunctional communication board 03-21256-01 card

Multifunctional communication board 03-21256-01 card

$1425.00$1500.00

UNOB-3004MB A1 01-2 industrial control communication backplane UNOB-3004MB A1 01-2 industrial control communication backplane

UNOB-3004MB A1 01-2 industrial control communication backplane

$1000.00$1000.00

43% off
Dual-core Processor Board Wireless Communication Smart IoT Module AI Voice Module 802.11 B g n 2.4GHz WiFi 384KB ROM Dual-core Processor Board Wireless Communication Smart IoT Module AI Voice Module 802.11 B g n 2.4GHz WiFi 384KB ROM

Dual-core Processor Board Wireless Communication Smart IoT Module AI Voice Module 802.11 B g n 2.4GHz WiFi 384KB ROM

$63.51$111.42

5% off
VF702S1 Communication card VF702 STYLE S1 VF702S1 Communication card VF702 STYLE S1

VF702S1 Communication card VF702 STYLE S1

$4275.00$4500.00

43% off
Motorcycle Intercom Headset with Anti Interference Audio Speakers Hands Free Talk for Helmet Communication Motorcycle Intercom Headset with Anti Interference Audio Speakers Hands Free Talk for Helmet Communication

Motorcycle Intercom Headset with Anti Interference Audio Speakers Hands Free Talk for Helmet Communication

$68.05$119.38

5% off
Communication card A5E00219170 Communication card A5E00219170

Communication card A5E00219170

$3420.00$3600.00

50% off
B24B Smart Locker 12-Way Control Board 485 Communication For Electromagnetic Locker Express Locker Lock Control Board B24B Smart Locker 12-Way Control Board 485 Communication For Electromagnetic Locker Express Locker Lock Control Board

B24B Smart Locker 12-Way Control Board 485 Communication For Electromagnetic Locker Express Locker Lock Control Board

$15.14$30.29

5% off
CIO-DAS1400 Data communication card

CIO-DAS1400 Data communication card

$2850.00$3000.00

57% off
L62A Multi-Function Expansion Interface For Chainbus Communication Protocol Conversion Unit HY2.0-4P For Expand Chain Device L62A Multi-Function Expansion Interface For Chainbus Communication Protocol Conversion Unit HY2.0-4P For Expand Chain Device

L62A Multi-Function Expansion Interface For Chainbus Communication Protocol Conversion Unit HY2.0-4P For Expand Chain Device

$79.08$183.91

50% off
B68C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller B68C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller

B68C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller

$14.25$28.51

5% off
Extended communication card 01-04964-01 card Extended communication card 01-04964-01 card

Extended communication card 01-04964-01 card

$408.50$430.00

5% off
Inverter communication card 22-COMM-E Inverter communication card 22-COMM-E

Inverter communication card 22-COMM-E

$4275.00$4500.00

5% off
PCI-9840I V3.20 communication card PCI-9840I V3.20 communication card

PCI-9840I V3.20 communication card

$178.60$188.00

Single/One Door Access Control TCP Communicate Support Access Function / Time Attendance / Web / Access Alarm Function Sn:L01 Single/One Door Access Control TCP Communicate Support Access Function / Time Attendance / Web / Access Alarm Function Sn:L01

Single/One Door Access Control TCP Communicate Support Access Function / Time Attendance / Web / Access Alarm Function Sn:L01

$50.13$50.13

2 sold
30% off
Flexible Network RS485 Solution RS485 Signal Isolator RS485 Converter Module RS485 Communication Isolator Module Flexible Network RS485 Solution RS485 Signal Isolator RS485 Converter Module RS485 Communication Isolator Module

Flexible Network RS485 Solution RS485 Signal Isolator RS485 Converter Module RS485 Communication Isolator Module

$344.86$492.66

5% off
IPEH-003027 Dual channel communication card

IPEH-003027 Dual channel communication card

$7600.00$8000.00

53% off
B29C-HY2.0-4P Chainbus Communication Protocol Conversion Unit Multi-Function Expansion Interface For Expand Chain Device B29C-HY2.0-4P Chainbus Communication Protocol Conversion Unit Multi-Function Expansion Interface For Expand Chain Device

B29C-HY2.0-4P Chainbus Communication Protocol Conversion Unit Multi-Function Expansion Interface For Expand Chain Device

$10.71$22.79

134.2K RFID Reader Module FDX-B Ear Tag Glass Tube Radio Frequency ISO11784/5 Animal Management 134.2K RFID Reader Module FDX-B Ear Tag Glass Tube Radio Frequency ISO11784/5 Animal Management

134.2K RFID Reader Module FDX-B Ear Tag Glass Tube Radio Frequency ISO11784/5 Animal Management

$11.00$11.00

178 sold
40% off
Uart Interface SX1278 Supporting Chip Long Range Wireless Module Communication Wireless Hc 14 433MHz Uart Interface SX1278 Supporting Chip Long Range Wireless Module Communication Wireless Hc 14 433MHz

Uart Interface SX1278 Supporting Chip Long Range Wireless Module Communication Wireless Hc 14 433MHz

$63.77 $106.29

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
CCC-VPRO-IO communication card CCC-VPRO-IO communication card

CCC-VPRO-IO communication card

$412.30 $434.00

Categories: Security & Protection, Access Building Automation

Buy Now
50% off
Wireless Module HC 14 433MHz with UART Interface and SX1278 Chip Supporting Long Range Wireless For communication Wireless Module HC 14 433MHz with UART Interface and SX1278 Chip Supporting Long Range Wireless For communication

Wireless Module HC 14 433MHz with UART Interface and SX1278 Chip Supporting Long Range Wireless For communication

$81.69 $163.38

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
DPS-300NB B communication power module DPS-300NB B communication power module

DPS-300NB B communication power module

$194.75 $205.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
R4850 R4850G6 Communication power supply module 48V50A R4850 R4850G6 Communication power supply module 48V50A

R4850 R4850G6 Communication power supply module 48V50A

$1235.00 $1300.00

Categories: Security & Protection, Access Building Automation

Buy Now
50% off
M01K Waterproof RFID 125KHZ Low Frequency RFHID RS232 Read Card Device Hid RS232 TTL Level Communication M01K Waterproof RFID 125KHZ Low Frequency RFHID RS232 Read Card Device Hid RS232 TTL Level Communication

M01K Waterproof RFID 125KHZ Low Frequency RFHID RS232 Read Card Device Hid RS232 TTL Level Communication

$213.77 $427.55

Categories: Security & Protection, Access Building Automation

Buy Now
New SCS SENTINEL Tuya Smart Switch Module 2CH WIFI Garage Remote Control Receiver AC/DC 7-32V 85-250V 433.92MHz Radio Controller New SCS SENTINEL Tuya Smart Switch Module 2CH WIFI Garage Remote Control Receiver AC/DC 7-32V 85-250V 433.92MHz Radio Controller

New SCS SENTINEL Tuya Smart Switch Module 2CH WIFI Garage Remote Control Receiver AC/DC 7-32V 85-250V 433.92MHz Radio Controller

$33.35 $33.35

23 sold

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
3-RS232 communication card 140315 REV.A 3-RS232 communication card 140315 REV.A

3-RS232 communication card 140315 REV.A

$1425.00 $1500.00

Categories: Security & Protection, Access Building Automation

Buy Now
55% off
B49C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller Bo B49C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller Bo

B49C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller Bo

$16.33 $36.29

Categories: Security & Protection, Access Building Automation

Buy Now
38% off
Limited Stock！ 4G Full Band Radio Car Intercom Communicator Set Radio 5000KM National Walkie-Talkie Car Radio Waterproof Limited Stock！ 4G Full Band Radio Car Intercom Communicator Set Radio 5000KM National Walkie-Talkie Car Radio Waterproof

Limited Stock！ 4G Full Band Radio Car Intercom Communicator Set Radio 5000KM National Walkie-Talkie Car Radio Waterproof

$76.33 $123.12

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
Multifunctional communication network card S02349954 D113L.TP4B2 Multifunctional communication network card S02349954 D113L.TP4B2

Multifunctional communication network card S02349954 D113L.TP4B2

$4750.00 $5000.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
Single/Two/Four Door Network Access Control Panel With Software Communication Protocol TCP/IP Wiegand Reader Access controller Single/Two/Four Door Network Access Control Panel With Software Communication Protocol TCP/IP Wiegand Reader Access controller

Single/Two/Four Door Network Access Control Panel With Software Communication Protocol TCP/IP Wiegand Reader Access controller

$33.25 $35.00

1 sold

Categories: Security & Protection, Access Building Automation

Buy Now
NCS-NCWPCA NCS-W communication card NCS-NCWPCA NCS-W communication card

NCS-NCWPCA NCS-W communication card

$486.00 $486.00

Categories: Security & Protection, Access Building Automation

Buy Now
40% off
BTLIFE-Multi-Function Expansion Interface For Expand Chain Device HY2.0-4P Unit Chainbus Communication Protocol Conversion Unit BTLIFE-Multi-Function Expansion Interface For Expand Chain Device HY2.0-4P Unit Chainbus Communication Protocol Conversion Unit

BTLIFE-Multi-Function Expansion Interface For Expand Chain Device HY2.0-4P Unit Chainbus Communication Protocol Conversion Unit

$10.74 $17.90

Categories: Security & Protection, Access Building Automation

Buy Now
13.56Mhz IC M1 Card Smart USB Communication NFC Contactless Access Control RFID Card Reader Module 13.56Mhz IC M1 Card Smart USB Communication NFC Contactless Access Control RFID Card Reader Module

13.56Mhz IC M1 Card Smart USB Communication NFC Contactless Access Control RFID Card Reader Module

$64.20 $64.20

1 sold

Categories: Security & Protection, Access Building Automation

Buy Now
73% off
For modbus Remote Terminal Unit Switch Module with 4 Outputs and Dual RS485 UART Communication for Data Acquisition For modbus Remote Terminal Unit Switch Module with 4 Outputs and Dual RS485 UART Communication for Data Acquisition

For modbus Remote Terminal Unit Switch Module with 4 Outputs and Dual RS485 UART Communication for Data Acquisition

$24.89 $92.20

Categories: Security & Protection, Access Building Automation

Buy Now
22% off
A2BA Industrial Control and Collection Module with Communication Link, Side Mounting Flanges and Clear Wiring Layout for Remote A2BA Industrial Control and Collection Module with Communication Link, Side Mounting Flanges and Clear Wiring Layout for Remote

A2BA Industrial Control and Collection Module with Communication Link, Side Mounting Flanges and Clear Wiring Layout for Remote

$216.38 $277.41

Categories: Security & Protection, Access Building Automation

Buy Now
High Quality Serial Server Module RS232 RS485 UART to Ethernet TCP/IP Converter Embedded DTU for Industrial Communication High Quality Serial Server Module RS232 RS485 UART to Ethernet TCP/IP Converter Embedded DTU for Industrial Communication

High Quality Serial Server Module RS232 RS485 UART to Ethernet TCP/IP Converter Embedded DTU for Industrial Communication

$37.00 $37.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
Multifunctional communication board 03-21256-01 card Multifunctional communication board 03-21256-01 card

Multifunctional communication board 03-21256-01 card

$1425.00 $1500.00

Categories: Security & Protection, Access Building Automation

Buy Now
UNOB-3004MB A1 01-2 industrial control communication backplane UNOB-3004MB A1 01-2 industrial control communication backplane

UNOB-3004MB A1 01-2 industrial control communication backplane

$1000.00 $1000.00

Categories: Security & Protection, Access Building Automation

Buy Now
43% off
Dual-core Processor Board Wireless Communication Smart IoT Module AI Voice Module 802.11 B g n 2.4GHz WiFi 384KB ROM Dual-core Processor Board Wireless Communication Smart IoT Module AI Voice Module 802.11 B g n 2.4GHz WiFi 384KB ROM

Dual-core Processor Board Wireless Communication Smart IoT Module AI Voice Module 802.11 B g n 2.4GHz WiFi 384KB ROM

$63.51 $111.42

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
VF702S1 Communication card VF702 STYLE S1 VF702S1 Communication card VF702 STYLE S1

VF702S1 Communication card VF702 STYLE S1

$4275.00 $4500.00

Categories: Security & Protection, Access Building Automation

Buy Now
43% off
Motorcycle Intercom Headset with Anti Interference Audio Speakers Hands Free Talk for Helmet Communication Motorcycle Intercom Headset with Anti Interference Audio Speakers Hands Free Talk for Helmet Communication

Motorcycle Intercom Headset with Anti Interference Audio Speakers Hands Free Talk for Helmet Communication

$68.05 $119.38

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
Communication card A5E00219170 Communication card A5E00219170

Communication card A5E00219170

$3420.00 $3600.00

Categories: Security & Protection, Access Building Automation

Buy Now
50% off
B24B Smart Locker 12-Way Control Board 485 Communication For Electromagnetic Locker Express Locker Lock Control Board B24B Smart Locker 12-Way Control Board 485 Communication For Electromagnetic Locker Express Locker Lock Control Board

B24B Smart Locker 12-Way Control Board 485 Communication For Electromagnetic Locker Express Locker Lock Control Board

$15.14 $30.29

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
CIO-DAS1400 Data communication card

CIO-DAS1400 Data communication card

$2850.00 $3000.00

Categories: Security & Protection, Access Building Automation

Buy Now
57% off
L62A Multi-Function Expansion Interface For Chainbus Communication Protocol Conversion Unit HY2.0-4P For Expand Chain Device L62A Multi-Function Expansion Interface For Chainbus Communication Protocol Conversion Unit HY2.0-4P For Expand Chain Device

L62A Multi-Function Expansion Interface For Chainbus Communication Protocol Conversion Unit HY2.0-4P For Expand Chain Device

$79.08 $183.91

Categories: Security & Protection, Access Building Automation

Buy Now
50% off
B68C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller B68C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller

B68C For Electromagnetic Locker Compatible Smart Locker 12-Way Control Board 485 Communication Express Locker Lock Controller

$14.25 $28.51

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
Extended communication card 01-04964-01 card Extended communication card 01-04964-01 card

Extended communication card 01-04964-01 card

$408.50 $430.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
Inverter communication card 22-COMM-E Inverter communication card 22-COMM-E

Inverter communication card 22-COMM-E

$4275.00 $4500.00

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
PCI-9840I V3.20 communication card PCI-9840I V3.20 communication card

PCI-9840I V3.20 communication card

$178.60 $188.00

Categories: Security & Protection, Access Building Automation

Buy Now
Single/One Door Access Control TCP Communicate Support Access Function / Time Attendance / Web / Access Alarm Function Sn:L01 Single/One Door Access Control TCP Communicate Support Access Function / Time Attendance / Web / Access Alarm Function Sn:L01

Single/One Door Access Control TCP Communicate Support Access Function / Time Attendance / Web / Access Alarm Function Sn:L01

$50.13 $50.13

2 sold

Categories: Security & Protection, Access Building Automation

Buy Now
30% off
Flexible Network RS485 Solution RS485 Signal Isolator RS485 Converter Module RS485 Communication Isolator Module Flexible Network RS485 Solution RS485 Signal Isolator RS485 Converter Module RS485 Communication Isolator Module

Flexible Network RS485 Solution RS485 Signal Isolator RS485 Converter Module RS485 Communication Isolator Module

$344.86 $492.66

Categories: Security & Protection, Access Building Automation

Buy Now
5% off
IPEH-003027 Dual channel communication card

IPEH-003027 Dual channel communication card

$7600.00 $8000.00

Categories: Security & Protection, Access Building Automation

Buy Now
53% off
B29C-HY2.0-4P Chainbus Communication Protocol Conversion Unit Multi-Function Expansion Interface For Expand Chain Device B29C-HY2.0-4P Chainbus Communication Protocol Conversion Unit Multi-Function Expansion Interface For Expand Chain Device

B29C-HY2.0-4P Chainbus Communication Protocol Conversion Unit Multi-Function Expansion Interface For Expand Chain Device

$10.71 $22.79

Categories: Security & Protection, Access Building Automation

Buy Now
134.2K RFID Reader Module FDX-B Ear Tag Glass Tube Radio Frequency ISO11784/5 Animal Management 134.2K RFID Reader Module FDX-B Ear Tag Glass Tube Radio Frequency ISO11784/5 Animal Management

134.2K RFID Reader Module FDX-B Ear Tag Glass Tube Radio Frequency ISO11784/5 Animal Management

$11.00 $11.00

178 sold

Categories: Security & Protection, Access Building Automation

Buy Now