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Engenius Durafon 4X - SP922 Manual

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Technical Specifications
Electrical Specifications Base Station Portable Handset
Frequency 915-928 MHz 915-928 MHz
RF Power Peak: 708 mW Peak: 708 mW
Average: 304 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
-2 -2
Receiver Sensitivity < -108 dBm (@ BER 10 ) < -108 dBm (@ BER 10 )
Antenna Connector Reverse TNC Non-standard
Antenna Gain 2 dBi 2 dBi (Long)
5 dBi External (optional)
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
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)
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 240V/7V AC/DC Adapter 3.6V, 1700 mAh Li-ion
Battery
Charger Current NA 500 mA
Charge Time NA 4 hours (from empty)
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 161 x 58 x 31 mm
8.5” x 11.0” x 2.1”
Weight 32 ounces 6.17 ounces
Notes:
1. NA = Not Applicable.
2. The manufacturer reserves the right to change designs
and specifications without notice.
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