What we do
Bitstem GmbH is a software and hardware development company specialised in radio communications, broadcast and SDR.
Founded in 2007, we provide solutions enabling our clients to build and run networked radio and broadcast infrastructure, measure its performance and coverage, and to rapidly evaluate upcoming technologies by modelling new and proposed communication standards in software.
Products
5GM
5G-BC Modulator
3GPP Rel19‑compliant 5G FeMBMS dedicated and eMBMS TX-only mixed mode, standard M1/M2/S1 interfaces, RESTful control, and I/Q output over Ethernet or BladeRF.
5GR
5G-BC Receiver
Desktop application for 5G Broadcast reception, monitoring, and analysis. Live signal metrics, MBSFN session tracking, and detailed RF diagnostics.
5GI
5G-BC Injector
DVB‑T2 and 5G Broadcast time‑division multiplexed on a single RF channel. Adds 5G‑BC services to existing DVB‑T2 networks by placing the 5G-BC signal in FEF subframes.
DTS‑3000/3001
Drive Test System
Field measurement platform for broadcast and radio comms coverage.
Tools
5G Broadcast Bandwidth
Compute usable data rate for MBSFN configurations. Covers bandwidth, MCS, cyclic prefix, and PMCH allocation — everything you need to size a 5G Broadcast service.
DVB‑T2 Multiplex
Net bitrate and PLP capacity for DVB‑T2 configurations. FFT size, guard interval, pilot pattern, code rate, constellation — see the resulting payload instantly.