OPTIMAL CONNECTIVITY LLC offers its Engineering Services, Product Design, Co-Design and industrial production capabilities for manufacturing of Bandpass Filters like OmProtec.
Bandpass Filter OmProtec®
OmProtec®–RBF 900 CF–02 –5– is a Band Pass Filter that is manufactured using a multi-section cavity design. The bandpass filter is usually installed at onboard radios, with specific frequencies it allows to pass. The frequency band of GSM-R howver are blocked/rejected to pass in order to avoid interferences with GSM-R services.
It has a bandwidth of 7 MHz for the rejection/stop band with a signal rejection >50dB. The maximum insertion loss is 0.35 dB for the passband frequencies.
Stopband Frequencies
GSM-R Uplink: 873 – 880 MHz
GSM-R Downlink: 873 – 880 MHz
Operating Frequencies
GSM, UMTS, LTE: 694 – 2690 MHz
