|
Technical Specifications of C20 Host |
|
Communication Protocols and
Technical Indices: |
|
Mode of access |
CDMA（Code-Division-Multiple-Access） |
|
CDMA protocol |
IS-95A/B，IS-98A/D，IS-126，IS-637A，IS-707A，IS-2000 |
|
Data rate |
153.6Kbps Max |
|
Interval between transmitting and
receiving frequency |
45MHz for 800MHz Cellular |
|
Voice coding |
8kEVRC |
|
|
RF Receiving: |
|
Frequency Range |
869
～
894MHz |
|
RX sensitivity |
-104dBm（FER
≤ 0.5％） |
|
Range of receiving signal |
-104dBm
～
-25dBm（FER
≤ 0.5％） |
|
Interference resistance |
FER≤1.0％（-101dBm/BW，－30dBm@
±900KHz） |
|
Intermodulation spurious response
attenuation |
FER≤1.0％（test1：-101dBm/BW
,+900/+1700KHz、-43dBm） |
|
FER≤1.0％（test2：-101dBm/BW
,900/-1700KHz、-43dBm） |
|
FER≤1.0％（test3：-90dBm/BW,+900/+1700KHz、-32dBm） |
|
FER≤1.0％（test4：-90dBm/BW,-900/-1700KHz、-32dBm） |
|
FER≤1.0％（test5：-79dBm/BW
,+900/+1700KHz、-21dBm） |
|
FER≤1.0％（test6：-79dBm/BW
,-900/-1700KHz、-21dBm） |
|
Conducted spurious emission |
<-76dBm/1MHz（869
～
894MHz） |
|
<-61dBm/1MHz（824
～
849MHz） |
|
<-47dBm/30KHz（other
frequencies |
|
Demodulation of forward channel under
additive white gaussian noise |
FER≤3.0％（test1：Rate
Group1（9600bps） |
|
FER≤1.0％（test
2：Rate
Group 1（9600bps） |
|
FER≤0.5％（test
3：Rate
Group 1（9600bps） |
|
FER≤1.0％（test
4：Rate
Group 1（4800bps） |
|
FER≤1.0％（test
5：Rate
Group 1（2400bps） |
|
FER≤1.0％（test
6：Rate
Group 1（1200bps） |
|
FER≤3.0％（test
7：Rate
Group 2（14400bps） |
|
FER≤1.0％（test
8：Rate
Group 2（14400bps） |
|
FER≤0.5％（test
9：Rate
Group 2（14400bps） |
|
FER≤1.0％（test
10：Rate
Group 2（7200bps） |
|
FER≤1.0％（test
11：Rate
Group 2（3600bps） |
|
FER≤1.0％（test
12：Rate
Group 2（1800bps） |
|
|
|
RF Transmitting: |
|
Frequency range |
824
～849MHz |
|
Max frequency deviation |
±300Hz |
|
Max power |
23dBm
～
30dBm@-104dBm |
|
Min output power |
< -50dBm@-25 dBm |
|
Code domain power |
The code domain power of each unactivated
sub-channel is at least 23dB lower than the total output
power measured at I-and Q-channel |
|
TX timing error |
±1.0µs |
|
Wave form quality |
>0.944 |
|
Open loop power |
（test1：－25dBm/1.23MHz）－48dBm/1.23MHz
±9.5dB |
|
（test2：－65dBm/1.23MHz）－8dBm/1.23MHz
±9.5dB |
|
（test3：－93.5dBm/1.23MHz）20dBm
/1.23MHz
±9.5dB |
|
Closed loop power |
±24dB(9600bps data rate) |
|
±24dB(4800bps data rate) |
|
±24dB(2400bps data rate) |
|
±24dB(1200bps data rate) |
|
Conducted spurious emission |
-42dBc/30KHz
或
-54dBm/1.23MHz（|Δf|:885KHz～1.98MHz） |
|
-54dBc/30KHz
或
-54dBm/1.23MHz（|Δf|:1.98MHz～4.00MHz |
|
<－13dBm/1KHz（|∆f|
> 4MHz, 9KHz < f < 150KHz） |
|
<－13dBm/10KHz（|∆f|
> 4MHz, 150KHz <f < 3 0MHz） |
|
<－13dBm/100KHz（|∆f|
> 4MHz, 30MHz < f < 1GHz） |
|
<－13dBm/1MHz（|∆f|
> 4MHz, 1GHz < f < 5GHz） |
|
|
|
Antenna: |
|
Frequency bandwidth |
TX:824MHz～849MHz
RX:869MHz～894MHz |
|
Voltage standing wave ratio |
< 2.0：1 |
|
Gain |
1±1dBi |
|
Input resistance |
50Ω |
|
Polarization form |
Vertical polarization |
|
|
|
Power Supply: |
|
Power supply by adapter |
5.2VDC ~ 4.9VDC |
|
Power supply by battery |
4.2VDC ~ 3.3VDC |
|
Max.Power consumption |
3.8W |
|
Typical power consumption during talk |
1.6W (Signal strength is－80dBm) |
|
Power consumption in idle mode |
0.12W (Signal strength is－80dBm) |
|
|
|
Working Condition: |
|
Working temperature |
-10℃
～+
55℃ |
|
Storage temperature |
-20℃
～+
70℃ |
|
Humidity |
<95% |
|
|
Reference: |
|
1、C.S0011-A Recommended Minimum
Performance Standards for CDMA2000 Spread Spectrum
Mobile Stations |
|
2、TIA/EIA/IS-95-A Mobile Station-Base
Station Compatibility Standard for Dual-Mode Spread
Spectrum Systems |
|
3、TIA/EIA/IS-127 Enhanced Variable Rate
Codec, Speech Service Option 3 for Wideband Spread
Spectrum Digital Systems |
| 4、TIA/EIA/IS-637
Short Message Services for Wideband Spread Spectrum
Digital Cellular Systems |
|
5、TIA/EIA/IS-657 Packet Data Services for
Wideband Spread Spectrum Digital Cellular Systems |
|
6、TIA/EIA/IS-820 Removable User Identity
Module (R-UIM) for Spread Spectrum Systems |
|
7、TIA/EIA/IS-2000-1 Introduction to
cdma2000 Standards for Spread Spectrum Systems |
|
8、TIA/EIA/IS-2000-2 Physical Layer
Standard for cdma2000 Spread Spectrum Systems |
|
9、TIA/EIA/IS-2000-3 Medium Access Control
(MAC) Standard for cdma2000 Spread Spectrum Systems |
|
10、TIA/EIA/IS-2000-4 Signaling Link
Access Control (LAC) Standard for cdma2000 Spread
Spectrum Systems |
|
11、TIA/EIA/IS-2000-5 Upper Layer (Layer
3) Signaling Standard for cdma2000 Spread Spectrum
Systems |
|
|
|
Material |
ABS (Acrylonitrile Butadiene Styrene) |
|
Dimension |
190mm×170mm×48mm(Excluding
antenna) |
|
Weight |
<700g（Weight
of Main unit） |
|
Power Socket |
5V DC input |
|
Data port interface |
System
connector socket
1005-0018-300//MQ187-18P//MB0004-01 |
|
Phone interface |
RJ11，4-PIN，(Connected
with the receiver) |
|
Antenna interface |
TNC-female |
|
|
|
A Complete Set of Product: |
|
NO. |
Name(Model) |
Q’ty |
Remark |
|
1 |
Host(C20) |
1 |
LCD (128×64) |
|
2 |
Antenna |
1 |
2dBi，TNC-M |
|
3 |
Handle |
1 |
|
|
4 |
Handle cable |
1 |
|
|
5 |
Power Adapter |
1 |
|
|
6 |
Lithium-ion battery |
1 |
1200mAH,in FWP |
|
7 |
Serial data cable(RS232/DB9) |
1 |
Optional |
|
8 |
USB data cable |
1 |
Optional |
|
9 |
User’ Manual |
1 |
|
|
10 |
Product Certificate |
1 |
|
|
11 |
Package Bill |
1 |
|
