
VCom Inc.
BTR5857 Manual; ML_BTR5857_02 (Mar 2004)
Approved: G.C.
8
1.3 Specifications
1.3.1 BTR5857 Base Station Tranceiver Specifications
TRANSMIT SPECIFICATIONS
IF Input Frequency
516-540 MHz
Bandwidth
one or more RF carriers (4 x 6 MHz)
RF Output Frequency Range
5775-5799 MHz (Low Band Option)
5799-5823 MHz (High Band Option)
Frequency Response (any 6 MHz band)
± 0.3 dB
Rated Output Power at Antenna Port
+15 dBm (64QAM); +20 dBm (QPSK)
Spectral Mask
Compliant with ETSI EN 301 021 v1.5.1, section 5.3.3,
system type D
Phase Noise
<-85 dBc/Hz @ 10 KHz
Gain
30 dB (± 1 dB over temp)
IF Level for RF Activation
18 ± 2 dBmV
RECIEVE
RF Input Frequency Range
5727-5751 MHz (Low Band Option)
5751-5775 MHz (High Band Option)
Frequency Response (any 6 MHz band)
±0.3 dB
IF Output Frequency Range
18-42 MHz
Noise Figure at Antenna Port
<6 dB including duplexer loss
Gain
38 dB (± 2 dB over temp)
Phase Noise
<-85 dBc/Hz @ 10 KHz
GENERAL
Frequency Setting and Stability over Temperature
± 15 kHz
Frequency Setting and Stability over 10 years
± 25 kHz
IF Connector
F female, 75 ohms
RF Connector
N female, 50 ohms
Return Loss
10 dB
Power Requirement
12 to 28 VDC (+21 V to +28 V nominal)
Power Consumption
12W maximum
Operating Temperature Range
ETS 300 019 Class 4.1 (-30 to +40°C ambient) full specifications
ETS 300 019 Class 4.1E (-45 to +45°C ambient) operational
Antenna Beamwidth
90°, Omnidirectional available
Antenna Compliance
ETSI EN 302 085
Spurious Emissions
ETSI EN 301 390, FCC Part 15, Industry Canada RSS-210
EMC Compliance
ETSI EN 300 385
Mounting
Standard - Pole (1” to 1.75” (25mm to 44mm) diameter)
with polarization , azimuth, elevation adjustment.
Optional - wall mount
Dimensions
12” x 12” x 2.5” (305 mm x 305 mm x 64 mm) maximum
Weight
5.5 lbs. (2.5 kg)
SYSTEM CONFIGURATIONS
BTR5857-T5775_5799-R5727_5751
Outdoor 5.7 GHz Base Station Transceiver
Low Band (Transmit: 5775-5799 MHz,
Receive: 5727-5751 MHz)
BTR5857-T5799_5823-R5751_5775
Outdoor 5.7 GHz Base Station Transceiver
High Band (Transmit: 5799-5823 MHz,
Receive: 5751-5775 MHz)