Ericsson KRC11875/121 UMTS/LTE Band 1 Remote Radio Unit (RRU)

Ericsson KRC11875/121 UMTS/LTE Band 1 Remote Radio Unit (RRU) Image 1

Ericsson KRC11875/121 RUS 01 B1 remote radio unit, Band 1 (2100MHz). Tested and in stock at Tech-Star.

The Ericsson KRC11875/121 is a RUS 01 B1, a Remote Radio Unit from Ericsson’s RUS/RRUS product line, designed to be mounted close to the antenna rather than in the equipment cabinet. The B1 designation indicates support for the 1920-1980MHz uplink / 2110-2170MHz downlink band (3GPP Band 1), commonly used for UMTS/WCDMA and LTE deployments. By locating the radio unit at the top of the mast and linking it back to the baseband Digital Unit over fibre, the RUS 01 reduces feeder losses compared with a cabinet-mounted radio and antenna-cable run, improving both uplink sensitivity and downlink efficiency. Ericsson’s RUS/RRUS units of this generation typically support multiple output power configurations depending on the site’s licensed capacity.

Tech-Star (UK-based, shipped worldwide) supplies this KRC11875/121 RUS 01 B1 remote radio unit as a tested, working pull from decommissioned Ericsson RBS equipment, suitable for operators and telecom resellers maintaining existing Ericsson Band 1 sites. Get in touch to confirm current stock and condition before you order.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Frequently asked questions

Is the Ericsson KRC11875/121 refurbished or new?
Tech-Star supplies both new and refurbished Ericsson KRC11875/121. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Ericsson KRC11875/121?
Refurbished Ericsson KRC11875/121 comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Ericsson KRC11875/121?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Ericsson KRC11875/121 be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Ericsson KRC11875/121 be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key FeaturesRUS 01 B1 mast-mounted remote radio unit; Band 1 (2100MHz) UMTS/LTE support; Tested, working pull from decommissioned equipment
ApplicationsMast-head remote radio deployment; UMTS/LTE Band 1 network capacity; Ericsson RBS site maintenance and spares
CompatibilityEricsson RBS platform (RUS/RRUS remote radio family)
SpecificationsPart number KRC11875/121; Designation RUS 01 B1; Band 1 (2100MHz) remote radio unit
PlatformUMTS/LTE Band 1
ManufacturerEricsson

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