User's Manual

68P80801H45-1 1/20/2002 13
EBTS System Manual - Vol 2 Base Radio
QUAD Channel 900 MHz Base Radio Overview
QUAD Channel 900 MHz Base Radio Transmit Specifications
Table 7 lists the BR transmit specifications.
QUAD Channel 900 MHz Base Radio Receive Specifications
Table 8 lists the receive specifications.
Table 7 QUAD Channel 900 MHz BR Transmit Specifications
Specification Value or Range
Low average output
power per carrier
High average output
power per carrier
Average Power Output:
(900 MHZ) Single Carrier 5.0W 52.0W
(900 MHz) Dual Carrier 2.5W 26.0W
(900 MHz) Triple Carrier 1.7W 16.1W
(900 MHz) QUAD Channel 1.3W 10.5W
Transmit Bit Error Rate (BER) 0.01%
Occupied Bandwidth 18.5 kHz
Frequency Stability * 1.5 ppm
RF Input Impedance 50 Ω (nom.)
FCC Designation (FCC Rule Part 90):
900 MHz QUAD BR ABZ89FC5798
* Transmit frequency stability locks to an external site reference, which controls ultimate frequency stability to a
level of 50 ppb.
Table 8 QUAD Channel 900 MHz Receive Specifications
Specification Value or Range
Static Sensitivity †:
900 MHz BR -108 dBm (BER = 8%)
BER Floor (BER = 0.01%) ≥ -80 dBm
IF Frequencies
1st IF (All bands):
2nd IF:
73.35 MHz (1st IF)
450 kHz (2nd IF)
Frequency Stability * 1.5 ppm
RF Input Impedance 50 Ω (nom.)
FCC Designation (FCC Rule Part 15):
900 MHz BR ABZ89FR5799
† Measurement referenced from single receiver input port of BR.
* Stability without site reference connected to station. Receive frequency stability locks to an external site
reference, which controls ultimate frequency stability to a level of 50 ppb.