CMD80是种能够对CDMA AMPS D-AMPS(TDMA)和TACS等各种类型移动站进行测量的测试仪器。在进行射频参数测量时，它可仿真移动站的真实工作环境，如模拟为三模式/双频段基站与移动站建立通话并在DUT处于正常通话状态下(非专门测试模式)时进行各项测量仪器可支持下列网络和频率波段:高测量速度以及远程控制功能，(通过 IEC/IEEE总线)CMD80使得测试仪适于在生产测试中使用仪器的高测量更是用于移动站开发研制所必需的特性。

CMD80技术指标
Signalgenerator
Frequency range, US Cellular 869MHz to 894MHz
Powermeasurement(feference level range)
RF IN/OUT (fullscale) +41 dBm to -28 dBm
RF IN2 (fullscale) 0 dBm to -69 dBm
Dynamic range 50dB below reference level
Demodulator O-QPSK
Modulation measurements signal quality(p)
  phase error
  magnitudeerror
  error vector amplitued
  carrier feedthraough
  I/Qimbalance
  cqrrier frequency error
  transmission error
DCvoltoge measuremints Range 0 V to ±30V
DCcurrent measurements Range 0 A to ±10A
SignallingDigital modes 1595,UB-IS95,J-STD008,T53
D-AMPS;optionCMD-B84    
  RF OUT2 +3 dBm to -112dBm
Modulation π/4DQPSK or unmodulated
Analyzer  
Powermeasurement(referene level range)  
RF IN/OUT(fullscale) +39dBm to -60 dBm
RF IN2(full scale) -2dBm to -100 dBm
Power ramp  
Adjacent-channel power  
Modulationmeasurements phase error
  magnitudeerror
  error vector amplitued
  carrier feedthraough
  I/Qimbalance
  cqrrier frequency error
Bit error rate measurement  
SignallingDigital modes IS 136,IS54
RF signal generator  
Frequency range  
AMPS 869MHz to 894MHz
N-AMPS 869 MHz to 894MHz
TACS 935 MHz to 960MHz
J-TACS 860MHz to 870MHz
E-TACS 917 MHz to 950MHz
N-TACS 843 MHz to 846MHz
  863.5MHzto 867MHz
Output level  
RF IN/OUT -20 dBm to -124 dBm
RFIN2 0 dBm to -105 dBm
FM modulation  
RF analyzer  
Frequencyrange  
AMPS 824 MHz to 849 MHz
N-AMPS 824 MHz to 849 MHz 
TACS 890MHz to 915 MHz
J-TACS 915 MHz to 925 MHz
E-TACS 872 MHz to 905 MHz 
N-TACS 898 MHz to 901 MHz 
  918.5MHz to 922 MHz
Referenec level  
RF IN/OUT 0 dBm to +41 dBm
RFIN2 0 dBm to -69 dBm
FM demodulation  
Signaling analog signalling AMPS(IS95)
  NAMPS,TACSMJ/E/N-TACS
Audiosource  
Frequency 50 Hz to 4kHz(single tone)
Output voltage Range 0.1mVto 5V,rms
AF analyzer  
Measurements frequency
  AC voltage
  THD