无线电综合测试仪 WAVETEK 4032 STABILOCK
价格:电议
地区:北京市
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无线电综合测试仪 WAVETEK 4032 STABILOCK

厂家: WAVETEK

  • 接收和发射部分频率范围 0.4MHz - 1GHz (机型二 400kHz - 2300MHz)
  • 频谱分析仪频率范围 0.4MHz - 1GHz (机型二 400kHz - 2300MHz [1GHz以内span范围1kHz-50MHz][1GHz以上span范围1kHz-10KHz])
  • 性能指标pdf

通用模拟/数字通信测试仪 4032 STABILOCK是快速、简易测试之通信测试仪。按一下按钮即可测试模拟和数字移动电话和对讲机及电台

模拟和数字移动电话的通用测试平台。
TETRA 及TETRAPOL的测试仪解决方案。
快速、高效的频谱仪分析选件。
模拟和数字无线中继线测试功能。
对基站的全面测试。 

适用于数字系统

 *GSM/PCN/PCS
 *CDMA/IS-95
 *DECT
 *AMPS/IS-136
 *TETRA
 *PDC

高速度
完成GSM手机测试仅需60秒种。在大多数系统 (例如 GSM,PCN/PCS)之间 可实现方便的切换。


的测量确保了具有复验性的、准确性的测试结果。 射频蜂窝功率测试典型值可达5%。

扩展性能
新系统不仅可实施对 DECT 制固定台、移动台的测量,也可对TETRA制及其它无线集群系统进行测量。

快速频谱分析仪
功能强大前频谱分析仪, 测量范围从 O.4MHZ到 2.3GHZ。其功能包括自动调谐,缩放和GSM触发模式。

简单的自动化过程
利用PC机编辑软件包来生成 IEEE-488或AUTORUN程序非常方便,这些软件包包括语法检测、库函数、存贮和程序管理程序。 灵活方便的无线综合测试仪STABILOCK 4O32系列产品满足了世界范围内移动无线电通信制造商和维修机构的需求。可针对目前6种主要数字制式和30多种模拟制式无线电通信系统进行测量。灵活的模块化结构 4032系列采用内置模块和存贮卡,使升级变得易如反掌。 模块化设计不仅保护了投资,还允许用户随着无线电技术的成熟或需求的变化测试新系统。借助4032一贯的屏幕布局,GPIB命令以及简单的存贮卡软件安装,技术人员只需简单的培训就能使用新的模块及功能。 适用于维修中心的测试仪该产品简捷的设计大大提高了生产率,与同类解决方案相比,节省了空间,降低了重量。超大易读屏幕对于人工操作来讲意义重大,屏幕上的指针式显示能够为远距离设备调整提供清晰的指示。清晰的布局,软功能键和光标控制键提供了直观的用户界面。

适用于生产线的测试仪快速、准确的测试为数字无线电通信终端制造商提供了理想的解决方案。GPIB编程或与局域网服务器的连接灵活地实现了自动测试。AUTORUN自动执行程序,大大方便了测试工作。利用ARE编辑软件包在PC机上进行编辑可以从广泛的ACTERNA库中快速地创建或修改自动执行程序。

方便、全面的基站测试
4O32系列提供AMPS,NAMPS,D-AMPS,IS-136,CDMA或 ETA CS基站测试。在许多情况下可以利用用户自编的 AUTORUN程序来实现基站测试的自动化。 简洁、轻巧的设计大大方便了基站安装及维护人员。网络维护网络或信道出现故障时,客户会因经济上的损失而一筹莫展,因此维护时需分秒必争。4032系列的高速测量功能实现了故障的迅速排除,因而使客户损失大大减少。而清晰的显示可以提供快速准确的结果。利用星图显示可以简化I和Q的校准工作。小//平均值统计可以使优化更方便。快速频谱分析仪(高达 2.3GHz)提供带内和带外检测, 用来识别在天线或耦合器处生成的干扰信号或内部调制。

CDMA测试
CDMA基站测试软件可以用在8OOMHZ或1900MHZ频段。星图式显示可看出调制信号的对称性,信道功率显示可显示引导码信道及话音信道功率。此外,许多检测过程只需输入射频,而无需额外同步时钟。 检测内容包括信道功率,频率容限,波形质量(rho),向量大小以及引导码信道时间偏移,可以测量每一码信道的时间、功率、相位。

快速的星图
查看相位误差,幅值,RMS向量 误差,功率和ΔP/信号有助于检查NADC/IS—54/IS—136基站故障。

清晰的显示
数字测试可采用模拟表头。图形化和数字测量结果便于快速分析。

邻近信道功率
数字显示,简化了信道、邻近信道以及次邻信道功率的分析。

综合性能来自于硬件、软件的配置

  • GSM测试(手机)
    1.发射功率
    2.相位和频率误差
    3.时间功率样板及脉冲宽度
    4.调制频谱
    5.手机处于测试模式下的发射测量
    6.误码率(BER)
    7.帧删除率(ER)
    8.寻呼灵敏度
    9.手机测试
    10.小/,平均值统计
    11.音频RMS
  • CDMA测试(基站)
    1.信道功率
    2.码域功率
    3.码域时间
    4.码域相位
    5.加性高斯白噪声 (AWGN)源
    6.波形质量(rho)
    7.矢量误差图(星图显示)
    8.相让误差
    9.引导时间偏移
  • IS-136测试(手机)
    1.星图显示(图形/数字
    2.调制频谱
    3.时间功率脉冲
    4.ACPM邻信道功率
    5.误码率仅(BER)80O和1900MHZ系统
    6.模拟/数字控制信道到模拟/数字TCH
    7.站信道切换
    8.MAHO功能
    9.ACELP或VSELP
    10.话音环路
  • D-AMPS/NAMPS(基站)
    1.功率测量
    2.数字和模拟操作
    3.频谱分析仪
    4.星图显示
    5.邻近和次邻信道功率
  • DECT测试(FP,PP)
    1.射频的准确性和稳定性
    2.载波:标称TX功率
    3.频率误差
    4.调制
    5.频偏
    6.飘移
    7.不期望的射频调制及干扰
    8.抖动
    9.上升链路时间
    10.参考时钟
    11.音频测量

Stabilock 4032 is an universal Communications Test Set for digital and analog devices.
A huge number of measuring features.
High spectral purity - very low phase noise
10 MHz reference oscillator with an aging rate of <5 x 10exp-8/month
Modulation modes: AM - FM - phase
Frequency range: 0,4 MHz to 2,3 GHz
Resolution: 50 Hz (<500 MHz) - 100 Hz (500 MHz to 999.999 MHz) - 1 kHz (1 GHz to 2,3 GHz)
Output level: -122 dBm to +13 dBm (RF DIRECT) or -142 dBm to -7 dBm (RF)
Resolution output level: 0,1 dB
Frequency counter
Duplex operation and power detector
Oscilloscope and spectrum analyzer option
AF-voltmeter - AF-counter - Distortion meter - SINAD-meter
HP-IB (IEEE 488) and RS 232 interface

技术指标

Synthesizer
Spectral Purity  
PHASE NOISE(25-kHz offset)  
f<500MHz <-121dBc/Hz
f≧500MHz <-115dBc/Hz
RESIDUAL FM  
f<500MHz 4Hz(rms,CCITT-weighted)
f≧500MHz 8Hz(rms,CCITT-weighted)
NON-HARMONIC SPURIOUS SIGNALS>500Hz off carrier <-55dBc
HARMONICS  
Level<-15.1dBm <-25dBc
Level≧-15.1dBm <-20dBc
RESIDUALAM <0.02%(rms,CCITT-weighted)
10MHz reference oscillator
WARMUP TIME <3min for frequency error
<5*10-7
<10minfor frequency error10-7
FREQUENCY ERROR <1*10-7(T=5 to 45℃)
AGING <5/month
OUTPUT LEVEL approx.0.4V(into 50Ω)
SYNCHRONIZATION 10MHz,V>150mVrms(into200Ω)
RF Generator  
Carrier frequency  
FREQUENCY RANGE 0.4to 999.9999MHz
RESOLUTION
f<500MHz 50Hz
f≧500MHz 100Hz
FREQUENCY ERROR as reference oscillator
Output level
RF SOCKET -142to -7dBm(max.-13dBm with AM)
RF DIRECT SOCKET -122 to +13dBm(max.+7dB with AM)
resolution 0.1dB
LEVEL ERROR INTO 50Ω
RF socket  
Level≧-130dBm <1.3dB
Level>-15.0dBm <2dB
RFDIRECT socket
Level≧-110dBm <1.6dB
Level>+5.0dBm <2.5dB
VSWR(50Ω) RF SOCKET <1.1
EMF setting range with out interruption(not with AM) 0 to 15dBusable to 20dB
Additional level error 0.1dBper dB
Modulation
FM(AC-coupled)  
FREQUENCY DEVIATION 0 to 40kHz
MODULATION FREQUENCY(int.and ext.) 30Hz to 30kHz
RESOLUTION 10Hz
SETTING ERROR  
fmod=300Hzto 3kHz <5%+3digits
fmod=30Hzto 20kHz <10%+3digits
DISTORTION(dev.<10kHz)
fmod=300Hzto 3kHz <1%
EXT.MOD.INPUT 20kHzFM=0.707 Vrms into 600Ω
FM(external DC-coupled)  
FREQUENCY DEVIATION 0 to 5kHz
MODULATION FREQUENCY 0 to 30kHz
CENTRE-FREQUENCY ERROR <100Hz +frequency error of reference oscillator
фM
PHASE DEVIATION 0 to 6rad(fmod*rad≧20kHz)
RESOLUTION 0.01rad
MODULATION FREQUENCY 200Hz to 6kHz
SETTING ERROR  
fmod=300Hzto 3kHz <1%
EXT.MOD.INPUT 20RAD фM=0.707Vrms into 600Ω
AM  
MODULATION DEPTH m=0 to 99.9%
RESOLUTION 0.1%
MODULATION FREQUENCY 30Hz to 10kHz
SETTING ERROR FOR M≧90%
fmod=30Hzto 10kHz <0.1*m+1digit
DISTORTION for m<50%
fmod=300Hzto 3kHz <2%
EXT.MOD.INPUT 50%AM=0.707Vrms into 600Ω
RF Analyzer  
Frequency measurement
FREQUENCY RANGE 2 to 999.9999MHz
RESOLUTION 10Hz
ADMISSIBLE INPUT LEVEL  
on RF socket 0.1 mW to 125W
MEASURING ACCURACY as reference oscillator±10Hz
Frequency-offset measurement
FREQUENCY RANGE 2to 999.9999MHz
MEASURING RANGE 0 to ±99.99kHz
RESOLUTION  
f<10kHz 1Hz
f<≧10kHz 10Hz
ADMISSIBLE INPUT LEVEL
on RF socket 2μW to 125W
on RF DIRECT socket 1mV to 1V(measuring range:0 to±15kHz)
MEASURING ACCURACY as referenceoscillatior+3Hz(+1digit for offset≧10kHz)
RF-power measurement,RF-socket(broadband)
FREQUENCY RANGE 2to 999.99MHz
MEASURING RANGE 1mW to 125W(average)
RESOLUTION  
P<1W 1mW
P<10W 10mW
P<≧10W 100mW
MEASURING ACCURACY(w/o modulation)
P>200mW <10%+1digit
(f=20to 500MHz)
<12%+1digit
(f=6 to 999.9999MHz)
RF-power measurement(bandwidth approx.3MHz)
FREQUENCY RANGE 2 to 999.9999MHz
MEASURING RANGE  
RFsocket -45 to +37dBm
RFDIRECT socket -65 to +17dBm
MEASURING ACCURACY 3dB
RESOLUTION 0.1dBm
Modulation measurement
FM measurement,RF socket(broadband)
FREQUENCY RANGE 2 to 999.9999MHz
INPUT LEVEL 0.1mW to 125W
MEASURING RANGE 0 to 25kHz
RESOLUTION 10Hz
MEASURING ACCURACY(dev.<<10kHz)
fmod=300Hzto 3kHz 5%±1digit±peak residual FM
fmod=100Hzto 10kHz 10%±1digit±peak residual FM
DEMODULATION DISTORTION  
fmod=300Hzto 3kHz <0.5%
PEAKRESIDUAL FM <50Hz or <10Hz/100MHz
FMmeasurement,RF DIRECT socket(narrowband)
FREQUENCY RANGE 2 to 999.9999MHz
INPUT LEVEL -50 to -20dBm
MEASURING RANGE 0 to 10kHz(fmod*dev.<10kHz)
MODULATION FREQUENCY fmod=0 to 6kHz
RESOLUTION 10Hz
SENSITIVITY betterthan 2mV(3kHz FM dev.,10dB SINAD,CCITT-weigthed)
IF BANDWIDTH 30kHz
фM measurement,RF socket(broadband)
FREQUENCY RANGE 2 to 999.9999MHz
INPUT LEVEL 0.1mW to 125W
MEASURING RANGE 0 to 6rad (FM dev.<50kHz)
RESOLUTION 0.01rad
MEASURING ACCURACY  
fmod=300Hzto 3kHz 6%±2digits
fmod=200Hzto 10kHz 10%±2digits
DEMODULATION DISTORTION
fmod=300Hz to 3kHz <0.5%
фM measurement,RF DIRECT socket(narrow band)
FREQUENCY RANGE 2 to 999.9999MHz
INPUTLEVEL -50 to -20dBm
MEASURING RANGE 0 to 3 rad(fmod*фM dev.<15kH)
MODULATION FREQUENCY 200Hz to 6kHz
SENSITIVITY better than 2mV(3rad фM dev,10dB SINAD CCITT-weighted)
IF BANDWIDTH 30kHz
AM measurement  
FREQUENCY RANGE 2 to 999.9999MHz
MEASURING RANGE 0 to 100%
INPUT LEVEL
RF socket 1mW to 125W
RF DIRECT socket 0.01mW to 0.5W
RESOLUTION 0.1%
MEASURINGACCURACY(m<≧10%
fmod=Hzto 10kHz 10%±2digits
DEMODULATION DISTORTION
fmod=300Hzto 3kHz <1%
MODULATION FREQUENCY DC to 10kHz
Spurious-modulationmeasurement
INPUT LEVEL
RF socket 1mW to 125W
RFDIRECT socket 20mW to 1V
MEASURING RANGE 0 to -40dB(CCITT-weighted)referred to 3kHz FM dev.)3rad фM dev.or 30%AM
MEASURING ACCURACY 1dB
AF Generator  
Modulation generator GEN A
FREQUENCY RANGE 30Hzto 30kHz
RESOLUTION
f<3kHz 0.1Hz
f≧3kHz 1Hz
FREQUENCY ERROR <0.01%
LEVEL RANGE(EMF) 0.1mVrms to 5Vrms
RESOLUTION  
EMF≦5V 10mV
EMF≦1V 1mV
EMF≦0.1V 0.1mV
EMF≦10mV 10μV
LEVEL ERROR
f=100Hz to3kHz <3%
f=50Hzto 15kHz <10%
DISTORTION  
f=30Hzto 3kHz <0.5%
f>3kHz <1%
OUTPUT IMPEDANCE(balanced)
f=300Hzto 3kHz <10Ω
f=30Hzto 30kHz <40Ω
OUTPUT IMPEDADNCE(unbalanced) 600Ω±5%
PERMISSIBLE LOAD IMPEDANCE >200Ω
AF Analyzer  
AF voltmeter
FREQUENCY RANGE 30Hz to 30kHz or to CCITT P53A
MEASURING RANGE 0.1mV to 20V
RESOLUTION  
Level<0.1V 0.1mV
Level<1V 1mV
Level<10V 10mV
Level<20V 100mV
MEASURING ACCURACY
f=300Hzto 3kHz 3%
f=50Hzto 15kHz 6%
SOURCE IMPEDANCE >100kΩ or 600Ω±3%
INPUT CAPACITANCE 20pF
AF counter  
Frequency range 30Hz to 30kHz
INPUT LEVEL 5mV to 20V
RESOLUTION
f<300Hz 0.1Hz
f<10kHz 1Hz
f≧10kHz 10Hz
MEASURING ACCURACY 0.01%±1digit
Distortion meter  
INPUTLEVEL 0.1 to 20V
TEST FREQUENCY 1kHz±5Hz
MEASURING RANGE 0 to 99%
RESOLUTION 0.1%
MEASURING ACCURACY
d = 1 to 90% 5% of emas.value±3 digits
SINAD meter
INPUT LEVEL 0.1 to 20V
MEASURING RANGE 1 to 46dB
RESOLUTION  
SINAD<30dB 0.1dB
SINAD<≧30dB 0.5dB
MEASURING ACCURACY for SINAD <30dB 0.8dB±1digit
Scope & Analyzer  
Spectrum Analyzer
FREQUENCY RANGE  
FREQUENCY ACCURACY better than 2% of sweep with INPUT-LEVEL RANGE for measuring accuracy 3dB in the frequency range 0.5*fc≦f≦2*fc
RF socket -70 to +47dBm
RF DIRECT socket -90 to +13dBm
SWEET WIDTH 200kHz,2MHz,10MHz
SWEEP TIME
Wweep width 2MHz and 10MHz approx.500ms
Sweep width 200kHz approx.2s
EVEALUATION BANDWIDTH  
Sweep width 2MHz and 10MHz 30kHz
Sweep width 200kHz 6kHz
INHERNT NOISE on RF DIRECT socket
Sweep width 2MHz and 10MHz -95dBm
Sweep width 200kHz -105dBm
Oscilloscope  
INPUT SEXTERNAL Zi=1MΩ/40pF(AC/DC)
INPUT SINTERNAL RX mod,TX demod,duplex demod,AF voltmeter,residual distortion
FREQUENCY RANGE DC(3Hz) to 20kHz
LEVEL ERROR <10% +0.2div
GRATING 6*10div
HORIZORTAL DEFLECTION 2μs/div to 500ms/div
VERTICAL DEFLECTION 2mV/div to 10V/div or
160Hz/div to 8kHz/div (FM)
0.16rad/div to 8rad/div (фM)
0.8%/div to 40%/div (AM)
TRIGGER ±slopeselectable trigger leve
OPERATING MODES auto,norm,one-shot,freeze,tyne measurement(max.reslution 2.5μ)
Selective-call encoder and decoder
Standard tone sequences XVEI 1,CCIR,VDEW,ZVEI 2,EEA,NATEL,EIA,EURO,CCITT
User-definedtone sequences  
Sequence of up to 30 tones can be stored by user.Also double tones and underlying continuous tone (with GEN B option)
Encoder  
Operating modes
SINGLE-TONE SEQUENCE(max.30 tones)
DOUBLE-TONE SEQUENCE(with GEN B option)
(single-toneand double-tone sequences can be transmitted continuously)
ACKNOWLEDGEMENT CALL(max.30 tones)
from response time of <100ms acknowledgement call only possible with optional duplex FM/фM stage
FREQUENCY ERROR
Decoder
Decoding of each tone of tone sequencse (max.30tones)
Continuous decoding can be set
General
Dimensionsand weight  
H*W*D 230mm*375mm*486mm
WEIGHT approx.18.5kg
Power Supply AC 94 to 132Vor 187 to 264V(47 to 450Hz)
P max approx.110W(incl.options)
Environment
OPERATING TEMPERATURE 5to 45℃
STORAGE TEMPERATURE -40 to +70℃
RELATIVE HUMIDITY max.90%
Mechanical strength (to DIN 40046)
SHOCK 25g
VIBRATION 5to 10Hz for 10mm amplitued
10 to 60Hz,2g constant
EMC conformity EN 55022:19995,class B
EN 60801:1994,part 2test level 1
ENV 50140:1995,test level 2
IEC1000-4-4:1995,test level 3
Safety EN61010:1995,part 1
IEEE-bus interface  
STANDARD IEEE-488
CONNECTOR 24-way
FUNCTIONS AH1,SH1,L2,T1,SR1,RL1,DC1
Frequency extension  
The following specifications apply to the FEX option
RF Generator  
Carrier frequency
FREQUENCY RANGE 1.0 to 2.3GHz
RESOLUTION 1kHz
Output level  
RF socket -142 to -20dBm
RF DIRECT SOCKET -122 to 0dBm
LEVEL ERROR into 50Ω(1.0 to 2.0GHz)
RF socket 1.5dB(overrange -110 to -20dBm)
VSWR(50) RF socket <1.2

订货信息

STABILOCK4032 108 802
RF Frequency Extension 2.3GHz 248 295
High-Speed Spectrum Analyzer 248 291
GSM MS Test Autorun program 897 078
Transport Case 300 692
GSM 900/1800/1900MS Test Package 248 296
incl.STABILOCK4032  
RF Frequency Extension 2.3GHz  
GSM hardwareoption  
Spectrum Analyzer  
GSM 900/1800/1900 test software  
DECT Package incl.STABILOCK4032 248 255
RF Frequency Extension 2.3GHz  
EDCT module  
DECT FP/PP test software  
CDMA BS Test Package incl.STABILOCK4032 248 302
High-Speed Spectrum Analyzer  
CDMA module  
CDMA 800/1900MHz test software  
IS-136 MS Test Package incl.STABILOCK4032 248 304
RF Frequency Extension 2.3GHz  
D-AMPS module+Data module  
IS-136 MS test software  
BATE AMPS BS Test Package 248 198
BATE ETACS BS Test Package 248 144
TETRA-380 MS Package 248 307
incl.Duplex+IQ-380  
TETAR module  
TETRA MS test software  
TETRA/FEX MS Package 248 308
incl.RF Frequency Extension 2.3GHz  
TETRA module  
TETRA MS test sortware  
TETRA/Std.Package BS Test 248 365
incl.TETRA Module,Duplex+IQ-380  
TETRA BS Test Software  
High-Speed Spectrum Analyzer  
TETRA/FEX Package BS Text 248 366
incl.TETRA Module  
RF Frequency Extension  
TETRA BS Test Software  
High-Speed Spectrum Analyzer  
Tetrapol MS Package incl.STABILOCK4032 190 115
RF Frequency Extension 2.3GHz  
TETRAPOL MS Test Software  
TETRAPOL module  
TETRAPOL PC Softwqre  
GPIB cable,Interface box,Cable set  

附件

Duplex FM/ф stage 229 062
Control interface A(8 relays) 236 035
Control interface D(24 relays+20TTL) 236 038
2nd Modulation generator 208 032
Tracking 229 076
RS-232/Centronics interface 236 043
Keyboard 248 192
VSWR directional coupler + access 248 104
VSWR bridge + accessories 248 145
SSB kit 248 154
Adjacent channel power meter(ACPM) 229 035
ACPM upgrade kit 248 270
Fast Spectrum Analyzer 248 291
2nd RF generator + Fast Tracking 248 293
DTMF module 248 171
DC voltmeter/ammeter 248 172
Various highpass,lowpass bandpass,bandstop filters Various notch filters
AC/DCpowr supply (new) 204 033
NADC 900MHz hardware option 248 271
NADC 450MHz hardware option 248 277
NADC PCM interface(Ericsson BST) 248 282
Cable set for Ericsson digital NADC transceiver 248 283
GSM hardware option 248 274
NADC-/GSM upgrade kit 248 281
2nd RF generator and FRX exclude each other;Not all options can be fitted into one STABILOCK;Some options Please ask your nearest Sales Representative
Software options  
NMT 450 i/900 Scandinavia 897 911
NMT 450 i 897 916
NMT 900 Scandinavia 897 071
NMT France NMT Benelux 897 920
NMT Turkey 897 901
NMT 450 Universal 897 915
NMT 900 Universal 897 902
NMT 450/900 Base-Station Test 897 905
NMTEL-C(Switzerland) 897 930
Network C Austria(C-Netz? Osterreich) 897 910
Network D FRG(Netz-C BRD) 897 90
Network C Portugal 897 062
C-Net SAPO 897 063
Tracking 897 806
EAMPS 897 950
ETACS UK 897 940
TACS Japan(JTACS) 897 945
PDC MS Test 897 909
NAMPS 897 903
NTACS 897 904
NADC 900MHz BS Test 897 072
NADC 900MHz MS Test 897 073
NADC 450MHz BS Test 897 908
NADC 450MHz MS Test 897 907
NADC MS Test AUTORUN 897 917
RADIOCOM 2000HD 897 970
FMS 897 082
VDEW direct dialing 897 086
VDEW digital standard 897 090
VDEW digital(Bosch) 897 095
ZVEI binary 897 084
ZVEI binary(600 baud) 897 085
POCSAG(NRZ) 897 080
POCSAG(FFSK) 897 081
Cityruf(Germanversion of 897080) 897 083
DIGI-S(inclueds VEDW digital) 897 097
Trunking (MPT 1327/PAA 2424) 897 089
AT&T Microcell 897 096
CombinerTest 897 985
US-Singalling Formats 897 092
LTR=USSignalling 897 093
DSAT/DST(of NAMPS) 897 094
ATIS 897 098
FastIEE 897 802
2.1GHz Analyzer Tracking 897 928
ARE AUTORUN Editor 897 100

名词解释:

  1. The members of ETSI (European Telecommunications Standards Institute) developed the trunked radio standard TETRA (TErrestrial Trunked RAdio).The scope of users of TETRA includes not only the public safety organizations, but also, for example, users in the area of transports and public local traffic companies.
  2. In France by order of the Police Nationale, the French company Matra Nortel Communications developed the trunked radio system TETRAPOL, which is adapted to the needs of the public safety forces. TETRAPOL, a highly spectrum efficient FDMA technology, with many networks in operation globally, has proven its value to the UK MOD, NATO and UN in overseas assignments as well as to many other private and government customers.
  3. Point-to-point (PtP)
  4. Point-to-multipoint (PMP)
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