What are your main products?

The scope of manufacture&sales: wireless router, 4G/5G router, mesh router, wireless adapter, wireless network card, wifi module, Bluetooth module, LTE data.

Do you have any certificates for your products?

LB-Link strictly implements ISO9001:2015 quality management standards, and its products have passed TELEC, RoHS, FCC, latest CE and other regulatory certifications.

High-Performance RTL8821CU WiFi and Bluetooth Module for Printers

Name: High-Performance RTL8821CU WiFi and Bluetooth Module for Printers
Brand: Shenzhen Bilian Electronic Limited
SKU: 2154879885

Guangdong, ChinaShenzhen Bilian Electronic Limited

US$3.50-5.00

100 Pieces

Sample price:US$5.50/piece.Request sample

Product profile

Customization

Available

Type

WiFi Module

Work Mode

AP+STA

Model NO.

BL-M8821CU1

WiFi Antenna Type

External

Transmission Rate

433Mbps

Voltage

3.3V

Color

Blue

Certification

ISO9001, RoHS, FCC, CE

WLAN Standard

IEEE 802.11 a/b/g/n/ac

Chipset

RTL8821CU-CG

Bluetooth Standards

Bluetooth Core Specification v4.2

Host Interface

USB2.0 interface for WLAN & Bluetooth

Antenna

Connect to the external antenna through half hol

Dimension

12.9*12.2*1.6mm

Power Supply

DC 3.3V±0.2V @ 500 mA (Max)

Operation Temperature

-20℃ to +70℃

Operation Humidity

10% to 95% RH (Non-Condensing)

Trademark

LB-LINK

Origin

Shenzhen

Key features

High Throughput Data Rate: Supports IEEE 802.11a/b/g/n/ac with PHY rate up to 433Mbps.

Dual Functionality: Integrates WiFi and Bluetooth 4.2 in a single module.

External Antenna Support: Connects to external antenna through half hole pad for long distance.

Comprehensive Certifications: Passed FCC, CE, RoHS, and ISO9001 standards.

OEM and ODM Services: Customization services welcome for specific requirements.

Fast Sample Delivery: 1-2.5 working days for samples or small orders.

One Year Warranty: Covers 12 months of after-sales maintenance support.

Company profile

Shenzhen Bilian Electronic Limited

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-01-01 CertifiedNearest Port: Shenzhen Port, HongKong Port, Guangzhou PortAverage Response Time: ≤2.60h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShenzhen Bilian Electronic Limited is identified as a Chinese manufacturer of wireless and electronic products, with 234 employees, more than 10 production lines, and 21–30 quality-control staff. Its stated product scope includes wireless modules, adapters, routers, and related devices, while the listed product examples are LB-Link USB Type-C 4-in-1 hubs. The company reports ISO9001:2015 and ISO14001:2015 certifications, 46 R&D engineers, exports to over 30 countries and regions, and export activity since 2008. The evidence supports established manufacturing, quality-management certification, international distribution, and substantial stated production capacity. However, the provided information does not sufficiently verify after-sales service processes, financial credibility, customization capability, or specific customer cases.

Supplier typeThe supplier is explicitly classified as a manufacturer, limited company, and factory in China. Its stated industry is manufacturing, with an address in Shenzhen, Guangdong.

CertificationsThe company is reported to hold ISO9001 and ISO14001 certifications, with the more specific records identifying ISO9001:2015 and ISO14001:2015. It also reports Shenzhen and national technology enterprise certificates.

R&D capabilityThe supplier reports 46 R&D engineers, Shenzhen and national technology enterprise certificates, and an executive-director certificate from the Shenzhen Electronics Society. These are explicit indicators of technical and R&D capability.

Production capacityThe supplier is identified as a manufacturer with a 6,700 m² manufacturing plant, more than 10 production lines, 21–30 quality-control staff, and 234 employees. It also reports annual outputs of 120,000,000 wireless modules, 10,000,000 wireless adapters, and 7,000,000 wireless routers, supporting substantial production capacity.

Product Q&A

Q:Are you a trading company or factory?

We are a real factory. We have two factory addresses, one is Building 3, No. 32, Dafu Road, Zhangge Community, Fucheng Street, Longhua District, Shenzhen, and the other is Yingtang Industrial Park, Liangfu Industrial Zone, Dingnan County, Ganzhou City.

Q:Can you do OEM and ODM?

We have sufficient OEM and ODM experience.

Q:What is the MOQ for your products?

MOQ is different from the different products. Usually MOQ is 500pcs per model.

Q:What is the warranty for your products?

12 months.

Q:What is the leadtime for the bulk order?

Usually it is 30-45 days for 1000pcs.