About: http://dbpedia.org/class/yago/WikicatCommunicationCircuits

Property	Value
rdfs:subClassOf	yago:Circuit103033362
owl:equivalentClass	yago-res:wikicat_Communication_circuits
is rdf:type of	dbr:Beat_frequency_oscillator dbr:Envelope_detector dbr:Seoul–Pyongyang_hotline dbr:Dedicated_line dbr:Duplex_(telecommunications) dbr:Interchange_circuit dbr:International_telecommunications_routes dbr:Interposition_trunk dbr:Via_Net_Loss dbr:Low_IF_receiver dbr:Frequency_multiplier dbr:Conditioning_equipment dbr:Milliwatt_test dbr:Orthomode_transducer dbr:Loop_around dbr:Loopback dbr:Communications-electronics dbr:Fax_demodulator dbr:Harmonic_mixer dbr:Phase-locked_loop dbr:Phase_detector dbr:Transposition_(telecommunications) dbr:Twisted_pair dbr:Dual-modulus_prescaler dbr:Loading_coil dbr:Long-haul_communications dbr:Balanced_circuit dbr:Balanced_line dbr:Digital_current_loop_interface dbr:Foreign_exchange_service_(telecommunications) dbr:Foster–Seeley_discriminator dbr:Four-wire_circuit dbr:Islamabad–New_Delhi_hotline dbr:Return_channel dbr:Costas_loop dbr:Coupling_(electronics) dbr:ADSL_loop_extender dbr:Leased_line dbr:Tie_line dbr:Toll_switching_trunk dbr:Reference_noise dbr:Differential_signaling dbr:Automatic_frequency_control dbr:Automatic_gain_control dbr:Automatic_sounding dbr:Circuit_restoration dbr:Frequency_drift dbr:Frequency_frogging dbr:Frequency_mixer dbr:Frequency_synthesizer dbr:Carrier_recovery dbr:Channel_bank dbr:Channelization_(telecommunications) dbr:Moscow–Washington_hotline dbr:Multiple_homing dbr:Long_line_(telecommunications) dbr:Simplex_communication dbr:Single-ended_signaling dbr:Virtual_circuit dbr:Two-wire_circuit dbr:Trunking dbr:Facsimile_converter dbr:Telecommunications_link dbr:Common-mode_interference dbr:Ringdown dbr:Plant_test_number dbr:Point_of_appearance dbr:Off-premises_extension dbr:Product_detector dbr:Variable-frequency_oscillator dbr:Phantom_circuit dbr:Quad_Digital_Audio_Processor dbr:PLL_multibit dbr:Luftwaffe_radio_equipment_(Funkgerät)_of_World_War_II