SYES PCM 250 DAB – Compact 250W DAB/DAB+ Transmitter

SYES PCM 250 DAB – Compact 250W DAB/DAB+ Transmitter delivers up to 250 W RMS in a space-saving 2U enclosure. Its air-cooled design supports digital radio transmission where equipment space, straightforward operation and maintenance access matter. The published configuration operates in VHF Band III and combines local controls with remote supervision through SNMP and HTTP.

VHF Band III Digital Radio Transmission

The model-specific technical listing identifies 174–230 MHz operation and support for DAB, DAB+ and DMB transmission. An extended frequency range is also listed as a qualified configuration, so confirm the required channel and hardware before ordering. The published output is a digital RMS rating; it should not be confused with analogue peak-sync power or ratings from another PCM transmitter variant.

Frequency Stability and Timing

SYES PCM 250 DAB includes an oven-controlled crystal oscillator for frequency stability and a built-in GPS receiver. An external reference input is also listed. These facilities provide a basis for integration into a planned transmission network, but the required timing arrangement, operating mode and network compatibility must be confirmed for the supplied configuration. A configurable repeater application is listed as an option rather than assumed standard operation.

Local Operation and Remote Supervision

A front-panel display supports direct operation, while SNMP and HTTP provide remote access for suitable monitoring and control systems. Software and firmware upgrades support ongoing configuration and maintenance. The published specification identifies a single-phase power supply but does not provide a verified voltage range. Confirm mains requirements, ventilation clearances and the selected ensemble-input interfaces before preparing the transmitter site.

Basic Specifications

• Published model: PCM 250 DAB / PCM-250.
• RF output: up to 250 W RMS.
• Application: DAB/DAB+ digital radio broadcasting.
• Additional published standard: DMB, TS 102 428.
• Operating band: VHF Band III, 174–230 MHz.
• Frequency reference: built-in OCXO.
• Satellite timing: built-in GPS receiver.
• External reference input: listed; interface details require confirmation.
• Control: front-panel display and SNMP/HTTP remote access.
• Cooling: air-cooled.
• Power supply: single-phase; voltage rating requires confirmation.
• Chassis format: 2U.
• RF connector, dimensions and weight: confirmation required.