Specifications Overview
DuraFon PRO Base Unit

DuraFon PRO Expansion Base

DuraFon PRO-BU

Base Unit for DuraFon PRO Systems

BUY NOW

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)

Product Highlights

The EnGenius DuraFon PRO-BU is the expansion base that enables connection of an additional four (4) lines/ports to an existing DuraFon PRO installation.
  • Multi-Line Functionality
  • Supports up to 90 DuraFon PRO or DuraWalkie Handsets
  • Works Behind any Analog Port (PBX, VoIP, PSTN, FXS or POTS)
  • Expandable for Extended User Capacity



Package Includes


1 - Phone Base unit w/ rubber antenna
1 - Base unit AC adapter




Related Products
Base Model Number
DuraFon PRO Base Unit DuraFon PRO-BU
DuraFon PSL Base Unit DuraFon PSL-BU
Handsets Model Number
DuraFon PRO Handset DuraFon PRO-HC
Durafon UHF Handset DuraFon UHF-HC
Two-Way Radio Only Handset DuraWalkie
Kits Model Number
DuraFon PSL System DuraFon PSL
DuraFon PRO Multi-Handset Kit DuraFon PRO-PIA Kit
DuraFon PRO Multi-Handset Kit w/ Outdoor Antenna DuraFon PRO-PIB-20L Kit
DuraFon PRO Multi-Handset Kit w/ Indoor Antenna DuraFon PRO-PIB-20L-IND Kit
Headsets Model Number
DuraFon & FreeStyl Headset Microphone SN-ULTRA-EPM
DuraFon & FreeStyl “Security-type” Headset Earpiece SN-ULTRA-EPET
DuraFon & FreeStyl "Over-the-Ear" Headset Earpiece SN-ULTRA-EPEH
DuraFon & FreeStyl "Security-type" Headset Earpiece & Microphone SN-ULTRA-EPMT
DuraFon & FreeStyl "Over-the-Ear" Headset Earpiece & Microphone SN-ULTRA-EPMH
External Antenna Accessories Model Number
Outdoor Antenna & Cable Kit SN-ULTRA-AK20L
Indoor Ceiling-Mount Antenna & Cable Kit SN-ULTRA-AK20L-IND
Antenna Coaxial Coupler SN-ULTRA-ACP
Antenna Splitter SN-ULTRA-AS
Lightning Protection Module SN-ULTRA-LPK
Common Handset Accessories Model Number
Battery Pack for DuraFon PRO, DuraWalkie, DuraFon SIP, DuraFon 1X DuraFon-BA
Battery Pack for DuraFon UHF DuraFon UHF-BA
Belt Clip (Handset button w/ swivel clip) for DuraFon PRO, DuraWalkie, DuraFon SIP, DuraFon 1X DuraFon-BC
Belt Clip (Handset button only) for DuraFon UHF DuraFon UHF-BCO
Belt Clip (Swivel clip only) for DuraFon PRO, DuraWalkie, DuraFon SIP, DuraFon 1X, DuraFon UHF DuraFon-BCS
Carrying Case for DuraFon PRO, DuraWalkie, DuraFon SIP, DuraFon 1X DuraPouch
Handset Antenna (Tall, high performance) for DuraFon PRO, DuraWalkie, DuraFon SIP, DuraFon 1X DuraFon-HSA3
Handset Antenna (Stubby, low profile) for DuraFon PRO, DuraWalkie, DuraFon SIP, DuraFon 1X DuraFon-HSA2
Other Accessories Model Number
FreeStyl 1 Replacement Base Station Antenna FreeStyl 1-ANTB
Charging Cradle w/ AC Power Supply DuraFon-CH
Handset Charger for DuraFon UHF DuraFon UHF-CH
AC Adapter for DuraFon PRO Base Unit FreeStyl 1-ACB
DuraFon Battery Cover Replacement DuraFon-HBC
Handset Battery Cover For DuraFon UHF DuraFon UHF-HBC