~70~
Technical Specifications
Electrical Specifications Base Station
Portable Handset
Frequency 902-928 MHz
902-928 MHz
RF Power Peak: 708 mW
Average: 354 mW
Peak: 708 mW
Average: 88.5 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)
Telephone Interface RJ11 x 1
NA
VoIP interface RJ45 x 1
NA
SIP protocol RFC 3261
NA
Speech Coding 64Kbps G.711alaw, G.711
ulaw
8 kbps G.729A
Channel Coding 8 kbps Convolu
CRC
8 kbps Convolu
CRC
Transmission Data Rate 170.667 kbps
170.667 kbps
User Data Rate 128 kbps duplex
128 kbps duplex
Duplex Time Division Duplex
(TDD)
Time Division Duplex
(TDD)
No. of System ID 65,536
65,536
Ring Signal 20-50 Hz, 15-90 Vrms
NA
Flash Time 100-900 ms
programmable
NA
Power Source 100~240V/5V AC/DC
Adapter
3.7V, 1100 mAh Li-Ion
Battery
Charger Current NA
500 mA
Charge Time NA
4 hours (from empty)
Regulation Compliance FCC Part 15
FCC Part 15
Operating Temperature 0
–
50
C
-10
–
60
C
Storage Temperature -10
–
70
C
-10
–
70
C