Overview
The Nokia 72956A (FRGU) is a high-power Flexi Multiradio Radio Frequency (RF) module used in cellular network base stations. It is designed for the 2100 MHz (Band 1) spectrum and supports multiple radio access technologies.


General specifications
- Part number: 472956A (with variants, such as 472956A.102).
- Product name: FRGU (Flexi Radio Unit).
- Function: Flexi Multiradio RF Module, also known as a Remote Radio Unit (RRU).
- Supported technologies: WCDMA, FDD-LTE, and is 5G-ready.
- Frequency band: 2100 MHz (Band 1).
Radio capabilities
- Transmitters/receivers: The module is a 6-pipe (6TX/6RX) unit, meaning it has six transmitters and six receivers.
- Output power:
- Per port: 60 W per antenna port.
- Total: 360 W total output power.
- Antenna ports: Six antenna ports for signal transmission and reception.
Physical specifications
- Dimensions:
- Height: 115 mm (4.5 in.).
- Width: 420 mm (16.5 in.).
- Depth: 400 mm (15.7 in.).
- Weight:
- Net weight: 22.7 kg.
- Gross weight: 24–25 kg.
- Material: Constructed with durable materials to withstand operating temperatures of up to 105°C.
- Interfaces: Includes antenna ports, RF output ports, a remote electrical tilt (RET) port, and optical interfaces.
