Product Specification

Nokia TMC 821557A/HB 828708A RJ45 Waterproof Connector Boot

Nokia TMC 821557A/HB 828708A is an original‑grade RJ45 waterproof connector boot built for outdoor telecom base‑station deployment. It delivers reliable sealing protection for RJ45 Ethernet ports, shields connection points against rain, dust and moisture, and maintains stable network performance in harsh outdoor environments. This protective boot fits Nokia Flexi series base‑station hardware and widely applies to RRU and remote radio unit network interfaces.

Key Features

- High‑performance rubber compound for outdoor long‑term service life, anti‑aging and UV‑resistant
- Precision fit for RJ45 connector assembly, achieves effective dust and water sealing performance
- Flexible stress‑relief structure reduces cable bending damage at connection points
- Direct field replacement, supports fast on‑site installation without special tools
- Designed to match Nokia base‑station RRU and radio unit outdoor cabinet configurations

Technical Specifications

- Part Number: TMC 821557A/HB 828708A
- Product Type: RJ45 Waterproof Connector Boot
- Compatible Device: Nokia Flexi RRU, Remote Radio Unit
- Operating Environment: Outdoor telecom site, rain‑proof, dust‑proof
- Material: High‑grade weather‑resistant rubber
- Application Port: RJ45 Ethernet port

Available Alternative Waterproof Protective Sleeve Models

We also supply a full range of matching Nokia waterproof protective sleeves for different ports and hardware requirements:
825640B, 821557A, 821558A, 827298A, 825638A, 821559A, 824804B, 821560A, 828656A, 829092A, 822696A, 084849A, 084849B, 827499A, 827499B, 825757C, 828239A, 821486A, 821487A, 086750A, 821687A, 824858A, 825637A, 825639A, 821690A, 821688A, 5429814A, 825400A, 085415A, 822709A, 085098A, 995298A

If you need any of these part numbers, please send us your inquiry for stock and quotation.

Main Applications

- Nokia Flexi base‑station outdoor RRU network interface protection
- Outdoor telecom site RJ45 Ethernet connector sealing
- Wireless communication radio unit field maintenance and spare‑part replacement
- Mobile network site upgrade and hardware retrofit projects

Why Choose Us

We maintain abundant stock of telecom spare parts for global network operators and system integrators. Every unit goes through careful checking before shipment. We support small‑batch sample orders and bulk project orders, and arrange fast worldwide shipping for your project timeline.

FAQ

**Q: Can these protective sleeves work for non‑Nokia radio units?**
A: These parts are engineered for Nokia original hardware. Cross‑brand usage depends on physical dimension matching, we suggest you double‑check dimension before ordering for third‑party devices.

**Q: What is your lead time for these protective sleeves?**
A: Most items keep in‑stock status. We confirm stock status once receiving your inquiry and arrange dispatch within short lead‑time.

**Q: Do you accept mixed‑part order?**
A: Yes, mixed orders for multiple different spare‑part numbers are supported.