User Manual

A Technical Specifications
70
A Technical Specifications
BRS-757 Base Station Specifications
Parameter Specification
General
Dimensions 23” width x 90” height x 27.5” depth
Rack door opening space 30’’ in front and in back
Operating temperature 10 – 40ºC
Humidity Up to 80% (non condensed)
Power consumption 2400W
RF
Duplexing method FDD
Downstream frequency 757-758 MHz
Downstream frequency accuracy 5 KHz
Downstream modulation QPSK, 16QAM, 64QAM
(256QAM optional)
Downstream Output Power
10 W Typical (11.83 W max) @ 330
KHz
6 W Typical (7.51 W max) @ 245
KHz
Downstream channel BW 330 KHz (245 KHz optional)
Upstream frequency 787-788 MHz
Upstream modulation QPSK, 16QAM
Upstream channel BW 325 KHz (250 KHz optional)
Upstream RX level
Adjustable, typical -90 dBm
(for 20 miles coverage)
Upstream SNR for BER < 10E-6 19 dB
Upstream adjacent channel
capability
Up to 10 dBc