EnGenius Technologies durafon 4x 사용자 설명서
53
Technical Specifications
Electrical Specifications
Base Station
Portable Handset
Frequency 902-928 MHz
902-928 MHz
RF Power Peak: 708 mW
Average: 304 mW
Peak: 708 mW
Average: 76 mW
Average: 76 mW
Channel Spacing 200 kHz
200 kHz
Number of Channels 128
128
Modulation MSK
MSK
Multiple Access Frequency Hopping TDMA Frequency Hopping TDMA
Frequency Hopping
Rate
100 per second
100 per second
TDMA Frame Length 10 ms
10 ms
Number of Slots/Frame 8
8
Number of
Users/Carrier
4 4
Receiver Sensitivity < -108 dBm (@ BER 10
-2
)
< -108 dBm (@ BER 10
-2
)
Antenna Connector Reverse TNC
Non-standard
Antenna Gain 2 dBi
5 dBi External (optional)
2 dBi (Long)
0.5 dBi (Short)
0.5 dBi (Short)
TX Power Control
Range
NA 100-708
mW
Telephone Interface RJ11 x 4
NA
Speech Coding 8 kbps G.729A
8 kbps G.729A
Channel Coding 8 kbps Convolutional +
CRC
8 kbps Convolutional +
CRC
CRC
Transmission Data Rate 170.678 kbps
176.678 kbps
User Data Rate 128 kbps duplex
128 kbps duplex
Duplex Time Division Duplex
(TDD)
Time Division Duplex
(TDD)
(TDD)
Voice Quality TIA/EIA-470B
TIA/EIA-470B
No. of System ID 65,536
65,536
Ring Signal 20-50 Hz, 12-90 Vrms
NA
Auto-Attendant Coding 8 kbps G.729
8 kbps G.729
Flash Time 100-900 ms
programmable
NA
Power Source 120V/7V AC/DC Adapter
3.6V, 1700 mAh Li-ion
Battery
Battery
Charger Current NA
500 mA
Charge Time NA
4 hours (from empty)
Regulation Compliance FCC Part 15, Part 68
FCC Part 15, Part 68
Operating Temperature -10 – 60
°C
-10 – 60
°C
Storage Temperature -10 – 70
°C
-10 – 70
°C
Humidity 20 – 75 %
20 – 75 %
Dimension without
antenna
280 x 215 x 53 mm
8.5” x 11.0” x 2.1”
8.5” x 11.0” x 2.1”
161 x 58 x 31 mm
Weight 32 ounces
6.17 ounces
Notes:
1. NA = Not Applicable.
2. The manufacturer reserves the right to change designs
2. The manufacturer reserves the right to change designs
and specifications without notice.
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