Digital radio-relay station "Vostok-4"

Frequency range, MHz: 3700 to 4200; ITU-R Recommendations: ITU-R F.382-8; Duplex spacing, MHz: 266; Frequency grid pitch, MHz: 0.5; Output power, dBm: 28;Output power adjustment from 0 to 20 dB; Supported modulation types QPSK, 16QAM, 64QAM, 128QAM, 256QAM; Types of transmitted information signals-E1, STM-1, Gigabit Ethernet 1000 Base - x, from 34 to 360 Mbit/s; Transmission speed in the control channel, kbps 512; Station management protocol SNMPv2; Reduction cables:- transmission/reception cable electric/optical;- power cable 2x2,5 sq.mm; Power supply from an external source of direct current with voltage, from minus 39 to minus 72, V; Power consumption, (depending on the configuration) from 180 to 240 W; Operating temperature range: equipment internal placement from plus 5C to plus 40C; equipment external placement from minus 50C to plus 50C; Service life of the equipment, years, 11.