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Communication Modules

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Communication Modules
Choose from category Communication Modules. Our offer includes 6380 types from 57 manufacturers.
SOS electronic is a specialized distributor of QUECTEL, 2J ANTENNAS, USR IOT, ACM, WIZNET.

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Ord. No. 360739
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(We are checking the delivery date: 3 pcs)
-
1 pcs+
62,62 €
5 pcs+
60,88 €
25 pcs+
59,14 €
50 pcs+
57,40 €
100 pcs+
55,66 €
250 pcs+
53,92 €
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IoT/M2M-optimized LTE Cat 1 bis Module, 26,5x22,5x2,4 mm
Ord. No. 403808
S
Manufacturer QUECTEL
Manufacturer QUECTEL
363 pcs in stock
-
1 pcs+
25,08 €
5 pcs+
24,39 €
25 pcs+
23,69 €
50 pcs+
22,99 €
100 pcs+
22,30 €
250 pcs+
21,60 €
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IoT/M2M-Optimized Cat.1 LTE Module 29x25x2,2mm
Ord. No. 227032
S
Manufacturer QUECTEL
Manufacturer QUECTEL
12 pcs in stock
NRND
(26. Jun 2026: 750 pcs)
-
1 pcs+
47,59 €
5 pcs+
46,27 €
25 pcs+
44,95 €
50 pcs+
43,63 €
100 pcs+
42,31 €
250 pcs+
40,98 €
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IoT/M2M-Optimized Cat.1 LTE Module 29x25x2,2mm
Ord. No. 320969
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(10. Jul 2026: 50 pcs)
(We are checking the delivery date: 700 pcs)
-
1 pcs+
31,59 €
5 pcs+
30,72 €
25 pcs+
29,84 €
50 pcs+
28,96 €
100 pcs+
28,08 €
250 pcs+
27,21 €
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RFID Reader 125kHz w/Built-in Antenna, Read Over 12cm
Ord. No. 132664
S
Manufacturer SUNBEST
Manufacturer SUNBEST
158 pcs in stock
(10. Jul 2026: 500 pcs)
-
1 pcs+
16,54 €
5 pcs+
15,21 €
20 pcs+
14,19 €
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RFID Transceiver Circuit 125kHz SO16
More info em4095_ds.pdf
Ord. No. 9356
S
45 pcs in stock
-
1 pcs+
4,9100 €
2 pcs+
4,7500 €
20 pcs+
4,0600 €
48 pcs+
3,8600 €
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RFID ISO Card 125kHZ EM4200 R/O
Ord. No. 101033
S
Manufacturer SUNBEST
Manufacturer SUNBEST
13476 pcs in stock
-
5 pcs+
0,5920 €
10 pcs+
0,5720 €
20 pcs+
0,5530 €
200 pcs+
0,4650 €
600 pcs+
0,4470 €
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RFID Clamshell Card 125kHz EM4200 85 R/O
Ord. No. 83213
S
Manufacturer SUNBEST
Manufacturer SUNBEST
1629 pcs in stock
-
4 pcs+
0,6642 €
8 pcs+
0,6419 €
20 pcs+
0,5892 €
100 pcs+
0,5395 €
500 pcs+
0,4999 €
1000 pcs+
0,4776 €
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RFID Keyfob 125kHz TK4100, ABS Blue R/O
More info EM99xx.pdf
Ord. No. 87631
S
Manufacturer SUNBEST
Manufacturer SUNBEST
671 pcs in stock
-
2 pcs+
1,2513 €
4 pcs+
1,2106 €
20 pcs+
1,0783 €
50 pcs+
1,0173 €
350 pcs+
0,9125 €
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RFID Keyfob EM4200 PC Black
More info TK19_EM99.pdf
Ord. No. 71999
S
Manufacturer SUNBEST
Manufacturer SUNBEST
7666 pcs in stock
-
2 pcs+
1,0914 €
4 pcs+
0,9996 €
20 pcs+
0,8894 €
100 pcs+
0,8160 €
400 pcs+
0,7640 €
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RFID Keyfob EM4200 PC Blue
More info TK19_EM99.pdf
Ord. No. 103404
S
Manufacturer SUNBEST
Manufacturer SUNBEST
1208 pcs in stock
-
2 pcs+
1,0475 €
4 pcs+
1,0140 €
20 pcs+
0,9021 €
100 pcs+
0,8279 €
400 pcs+
0,7750 €
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IoT/M2M-Optimized LTE Module M.2 3042 B-Key
Ord. No. 311730
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(We are checking the delivery date: 200 pcs)
-
1 pcs+
40,97 €
5 pcs+
39,84 €
25 pcs+
38,70 €
50 pcs+
37,56 €
100 pcs+
36,42 €
250 pcs+
35,28 €
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LTE Cat4 M.2 Module for M2M, IoT 42x30x2,3mm
Ord. No. 373629
S
Manufacturer QUECTEL
Manufacturer QUECTEL
0 pcs (available soon)
(We are checking the delivery date: 100 pcs)
-
1 pcs+
48,43 €
5 pcs+
47,09 €
25 pcs+
45,74 €
50 pcs+
44,40 €
100 pcs+
43,05 €
250 pcs+
41,70 €
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RFID Clamshell Card 125kHz EM4100 R/O
Ord. No. 105648
S
Manufacturer ACM
Manufacturer ACM
553 pcs in stock
-
8 pcs+
0,2822 €
10 pcs+
0,2723 €
50 pcs+
0,2623 €
200 pcs+
0,2573 €
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RFID Clamshell Card EM4100 1m R/O
Ord. No. 105649
S
Manufacturer ACM
Manufacturer ACM
283 pcs in stock
-
3 pcs+
0,7216 €
10 pcs+
0,7063 €
50 pcs+
0,6940 €
200 pcs+
0,6817 €
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RFID ISO Card 125kHz EM4100 Printed Digits
Ord. No. 105650
S
Manufacturer ACM
Manufacturer ACM
5647 pcs in stock
-
8 pcs+
0,3369 €
10 pcs+
0,3298 €
50 pcs+
0,3240 €
200 pcs+
0,3183 €
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RFID ISO Card 125kHz EM4100 Printed Digits, Black
Ord. No. 345446
S
Manufacturer ACM
Manufacturer ACM
72 pcs in stock
(3. Jul 2026: 1500 pcs)
-
5 pcs+
0,3710 €
10 pcs+
0,3579 €
50 pcs+
0,3448 €
200 pcs+
0,3383 €
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RFID ISO Card 125kHZ TK4100 R/O Blank
Ord. No. 76596
S
Manufacturer ACM
Manufacturer ACM
10600 pcs in stock
-
8 pcs+
0,2470 €
10 pcs+
0,2418 €
50 pcs+
0,2375 €
200 pcs+
0,2333 €
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Wi-Fi 5 802.11 ac/a/b/g/n, BT 5.0 M.2 2230 E Key Module, 2 Antenna cables, 2 Antennas
Ord. No. 399110
S
Manufacturer ENLI
Manufacturer ENLI
1 pcs in stock
-
1 pcs+
36,40 €
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RFID Keyfob Unique - EM4102, Black
Ord. No. 415765
S
Manufacturer LUX-IDENT
Manufacturer LUX-IDENT
2003 pcs in stock
-
1 pcs+
1,9900 €
2 pcs+
1,5400 €
10 pcs+
1,3700 €
50 pcs+
1,2600 €
250 pcs+
1,1600 €
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Ord. No. 415758
S
Manufacturer LUX-IDENT
Manufacturer LUX-IDENT
1851 pcs in stock
-
1 pcs+
2,0800 €
2 pcs+
1,8900 €
10 pcs+
1,6800 €
50 pcs+
1,5400 €
200 pcs+
1,4400 €
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Development Board ESP32-S ESP32-H2-MINI-1, ESP32-S3-WROOM-1, WiFi, Thread, ZigBee®, Bluetooth® 5, PCB Antenna, FLASH 4MB, RAM 2MB
Ord. No. 407090
S
Manufacturer ESPRESSIF
Manufacturer ESPRESSIF
10 pcs in stock
-
1 pcs+
10,90 €
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Wi-Fi Module ESP8266EX SPI 4MB Flash UART w/ Antenna
Ord. No. 324192
S
Manufacturer ESPRESSIF
Manufacturer ESPRESSIF
100 pcs in stock
-
1 pcs+
2,4390 €
10 pcs+
2,4080 €
25 pcs+
2,3770 €
100 pcs+
2,3460 €
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Wi-Fi Module 802.11b/g/n, BT v5.0, w/ Antenna, GPIO, I2C, I2S, SPI, UART
Ord. No. 351079
S
Manufacturer ESPRESSIF
Manufacturer ESPRESSIF
67 pcs in stock
-
1 pcs+
1,9348 €
10 pcs+
1,9102 €
25 pcs+
1,8857 €
100 pcs+
1,8611 €
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Development Board Wi-Fi, Bluetooth® 5, Flash 8MB
Ord. No. 389528
S
Manufacturer ESPRESSIF
Manufacturer ESPRESSIF
25 pcs in stock
-
1 pcs+
9,9000 €
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More info

Communication and fast data and information transfer are common parts of the technical conveniences of our time and accompany us in our everyday lives. Communication modules have become part of many electronic devices, not only telephones and computers but also vehicles, agricultural machines, medical devices and the like.

Considering the use, the transmission of information and data from the transmitter to the receiver is possible via wireless (air), metallic (wire) or optical path.

Use of communication modules

Communication modules are devices that provide connectivity for other electronic devices. They are used to transmit and receive data over a network, enabling communication between devices. Communication modules can be based on different technologies including Wi-Fi, Bluetooth, Ethernet, and mobile networksRead more

The most common use of communication modules is in the Internet of Things (IoT), where they provide a way for IoT devices to connect to a network and exchange data. They are also used in industrial automation, automotive systems and other applications that require remote communication between devices.

Communication modules come in a variety of forms, including integrated circuits, plug-in cards, and stand-alone units. They can be integrated into other devices such as laptops, smartphones, and embedded systems, and typically have low power consumption, making them suitable for battery-powered applications.

The use of communication modules has significantly increased the connectivity of electronic devices, which has led to the creation of new applications and services. They have enabled devices to exchange data in real-time, even over long distances, which brings greater efficiency and better collaboration in various fields.

The SOS electronic’s offer provides communication modules of world brands such as Quectel, Lantronix, Wiznet, and others, as well as antennas by 2J Antennas.

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