
Ericsson KRC161721/1 Radio 4428 B3 remote radio unit for 1800 MHz (Band 3).
The Ericsson KRC161721/1 is a Radio 4428 B3, a remote radio unit (RRU) for the 1800 MHz band (Band 3). It provides the RF transmit and receive stage for an Ericsson Radio System base station, amplifying and converting signals for the air interface.
The radio unit connects to a baseband (digital) unit over a CPRI fibre link and is typically tower, pole or wall mounted at the cell site, supporting FDD-LTE coverage and capacity on Band 3.
It is part of Ericsson’s macro radio portfolio and remains in service across many operator networks. Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | Ericsson AXE/MD110 |
|---|---|
| Manufacturer | Ericsson |

| Platform | MINI-LINK 6363 |
|---|---|
| Manufacturer | Ericsson |

| Platform | Ericsson RBS |
|---|---|
| Manufacturer | Ericsson |

| Manufacturer | Ericsson |
|---|

| Platform | Ericsson Router 6000 Series |
|---|---|
| Manufacturer | Ericsson |

| Platform | Ericsson RBS |
|---|---|
| Manufacturer | Ericsson |
| Key Features | Band 3 (1800 MHz) operation; CPRI interface connectivity; Integrated RF transmission and reception |
|---|---|
| Applications | LTE/4G mobile network deployments; Macro cell site coverage; Mobile operator RAN infrastructure |
| Compatibility | Ericsson Baseband 4428; Ericsson RBS 6000 series |
| Specifications | Band 3 (1800 MHz); LTE radio interface |
| Platform | RBS 6000 / Baseband 4428 |
| Manufacturer | Ericsson |
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