NB-SWUU1

UHF Uplink/Downlink for CubeSat 

The NB-SWUU1 from NBSpace is a compact, high-performance UHF communication board designed specifically for CubeSat missions that demand reliability, flexibility, and clean RF performance. Built as an integrated UHF transceiver and communication board, NB-SWUU1 supports both amateur and mission-grade satellite operations across multiple frequency bands.

Flight-Proven

Reliable

Robust Performance

UHF Transmitter

Frequency range: 435-438 MHz, 399-402MHz
Transmit power: 30 dBm
Modulation: FSK, GMSK with G3RUH scrambling
Data rate: 4800 and 9600 bps (selectable)
Datalink layer: CubeSat Space Protocol (CSP), AX.25
RF interfaces: MMCX (50 ohm)
Integrated heat sink installed (also works as EMI Shield)

UHF Receiver

Frequency range: 435-438 MHz, 399-402MHz
Modulation: FSK, GMSK with G3RUH scrambling
Data rate: 4800 and 9600 bps (selectable)
Sensitivity: -104 dBm Sensitivity for BER 1E-5
Datalink layer: CubeSat Space Protocol (CSP), AX.25
RF interfaces: MMCX (50 ohm)

Communication Board

Data Interfaces: CAN (UART available on request)
Interface Connector: 8 pin connector (selectable)
Supply voltage: 5 – 30 V
Power consumption: <5W (TX ON), 0.55W (Idle)
Size: 94 x 92 x 12.6 mm
(subject to change according to the requirement)
Mass: 105g

Accessories

MMCX-male to SMA-female RF cable
Communication board software

Flight Heritage

Designed, integrated, and operated in real CubeSat missions, our hardware has been validated in orbit. Flight-proven means performance backed by on-orbit experience, not just lab qualification.