EnGenius DURAFON ROAM-BU DuraFon Roam Base Unit (New)

The DuraFon Roam base unit (BU) provides the long-range coverage between Roam handsets and phone access or other Roam handsets. Coverage is expanded by adding additional base units in the environment. An optional external indoor or outdoor antenna can be added to the base unit to customize the coverage needs.

• Use 900 MHz frequency
• Expandable up to 8 base units
• Can be powered via PoE

Base Station Specifications

Frequency RF Power
902-928 MHz
Peak: 27 dBm / Average: 21 dBm

Channel Spacing
200kHz

Number of Channels
128

Modulation
MSK

Multiple Access
Frequency Hopping TDMA

Frequency Hopping Rate
100 per second

TDMA Frame Length
10 ms

Number of Slots/Frame
8

Receiver Sensitivity
< -108 dBm (@ BER 10-2)

Antenna Connector
Reverse TNC

Antenna Gain
2 dBi

TX Power Control Range
19~27dBm

Internet Interface
RJ45 x 1

Speech Coding
8 kbps G.729AB

Channel Coding
8 kbps Convolutional + CRC

Transmission Data Rate
170.667 kbps

User Data Rate
64 kbps duplex

Duplex
Time Division Duplex (TDD)

No. of System ID
65,536

Ring Signal
20-50 Hz, 30-90 Vrms

Power Source
AC/DC 100~240V/5V,1A SW Adapter

Charger Current
NA

Charge Time
NA

Regulation Compliance
FCC Part 15

Operating Temperature
0 — 50˚ C

Storage Temperature
-40 — 70˚ C

Humidity
20 – 75 %

Handset Specifications

Frequency RF Power
902-928 MHz
Peak: 26 dBm / Average: 20 dBm

Channel Spacing
200kHz

Number of Channels
128

Modulation
MSK

Multiple Access
Frequency Hopping TDMA

Frequency Hopping Rate
100 per second

TDMA Frame Length
10 ms

Number of Slots/Frame
8

Receiver Sensitivity
< -108 dBm (@ BER 10-2)

Antenna Connector
Non-standard

Antenna Gain
1.5 dBi (short antenna)
2.5 dBi (long antenna)

TX Power Control Range
19~26dBm

Internet Interface
NA

Speech Coding
8 kbps G.729AB

Channel Coding
8 kbps Convolutional + CRC

Transmission Data Rate
170.667 kbps

User Data Rate
64 kbps duplex

Duplex
Time Division Duplex (TDD)

No. of System ID
65,536

Ring Signal
NA

Power Source
3.7V/1100 mAh Li-Ion Battery
Optional: 3.7V/1700mAh

Charger Current
550 mA

Charge Time
3 hours

Regulation Compliance
FCC Part 15
Hearing Aid Compatible

Operating Temperature
-10 — 60˚ C

Storage Temperature
-40 — 70˚ C

Humidity
20 – 75 %