Physical Interface
PRO-BU Base Unit
Buttons
Reset
Registration
Jack(s)
Line x4
Audio-In x 1 (3.5 mm)
DC x 1
LED Indicators
Power
In-Use
Electrical Specifications
PRO-BU Base Unit
Frequency
902-928MHz
RF Power
Peak: 708mW; Average: 304mW
Channel Spacing
200 kHz
Number of Channels
128
Modulation
GMSK
Multiple Access
Frequency Hopping TDMA
Frequency Hopping Rate
100 per second
TDMA Frame Length
10 ms
Number of Talk Paths
4
Receiver Sensitivity
< -108 dBm (@ BER 10-2)
Antenna Connector
Reverse TNC
Antenna Gain
2 dBi (included)
5 dBi External (optional)
TX Power Control Range
N/A
Telephone Interface
RJ11 x 4
VoIP Interface
N/A
Default IP Address
N/A
Default User Name & Pswd
N/A
SIP Protocol
N/A
Speech Coding
8 kbps G.729A
Channel Coding
8 kbps Convolutional + CRC
Transmission Data Rate
170.678 kbps
User Data Rate
128 kbps duplex
Duplex
Time Division Duplex (TDD)
Voice Quality
TIA/EIA-470B
Number of System IDs
65,536
Ring Signal
20-50 Hz, 12-90 Vrms
Auto-Attendant Coding
8 kbps G.729
Flash Time
100-900 ms Programmable
Power Source
120V/7V AC/DC Adapter
Charge Time
N/A
Charge Current
N/A
Battery Talk & Standby Time
N/A
Environmental Specifications
PRO-BU Base Unit
Regulation Compliance
FCC Part 15, Part 68
Operating Temperature
14 – 140°F (-10 – 60°C)
Storage Temperature
14 – 158°F (-10 – 70°C)
Humidity
20 – 75 %
IP Rating
N/A
Dimensions
11.0" x 2.1" x 8.5" (215 x 53 x 280 mm)
Device Weight
2 lbs. (907g)
