• Model NO.：4992A
• Power Source：100-240V
• Weight：Less Than 2.6kg
• Installation：Direct Connected
• Customized：Non-Customized
• Power：Less Than 25W
• Transport Package：Packing Case
• Specification：W*H*D=295mm*195mm*70mm
• Trademark：Ceyear
• Origin：China
• HS Code：9030849000
• Production Capacity：500 Pieces , Year

Frequency
characteristics Option 001 (default)Option 002Frequency  Range2MHz~1000MHz (Source 1)


 2MHz~2700MHz (Source 1)


 2MHz~400MHz (Source 2,ANT output)2MHz~400MHz (Source 2, ANT
Output)Frequency   Resolution1HzPrecisionIdentical frequency standard
Identical Frequency standardAmplitude
characteristicsOutput Level Range-5dBm~-55dBm (SWR,Source 1)-5dBm~-65dBm (SWR,Source 1,
2MHz~2.2GHz)-10dBm~-65dBm (SWR,Source 1,
2.2GHz~2.7GHz)-5dBm~-100dBm (ANT,Source 1)-5dBm~-100dBm (ANT,Source 1,
2MHz~1.8GHz)-15dBm~-100dBm (ANT,Source 1,
1.8GHz~2.7GHz)-50dBm~-125dBm (T/R,Source 1)-50dBm~-120dBm (T/R,Source 1,
2MHz~2.2GHz)-55dBm~-120dBm (T/R,Source 1,
2.2GHz~2.7GHz)0dBm~-100dBm (ANT,Source 2)-5dBm~-100dBm (ANT,Source 2)Spectrum puritySideband Phase Noise≤-95dBc/Hz (Frequency offset 20kHz)≤-90dBc/Hz (1GHz@20KHz)≤-80dBc/Hz (2.7GHz@20KHz)Harmonic Spurious≤-30dBcInternal AM
characteristicsFrequency Range30Hz~5kHz (20Hz~20kHz is available)AM Range0~100%
0~100%Modulation Accuracy±(5%×modulation depth+2%)
(150Hz~5kHz modulation rate, 10%~90% modulation depth)External AM
characteristicsAudio InputSwitching Load150Ω,600Ω,1kΩ,High ZInput Level0.05Vp~3VpFrequency Range300Hz~5kHzMicrophone InputLevel Range20mVrms~350mVrmsFrequency Range300Hz~3kHzAM Range0~80%Internal FM
characteristicsFrequency Range30Hz~5kHz(20Hz~20kHz is available)Frequency Offset RangeMax. 100kHzPrecision±5%(100kHz Frequency offset,150Hz~5kHz modulation rate )External FM
characteristicsAudio InputSwitching Load150Ω,600Ω,1kΩ,High ZInput Level0.05Vp~3VpFrequency Range300Hz~5kHzGradientPositive voltage generates positive
Frequency offsetMicrophone InputLevel Range20mVrms~350mVrmsFrequency Range300Hz~3kHzFrequency Offset Range0Hz~80kHzGradientPositive voltage generates positive
Frequency offset 
Double audio sources(Audio 1and Audio 2)(T/R broadband input RF power)Measurement Range10dBm~43dBm (0.01~20W)Max. Input LevelAt +25ºC and 20W/43dBm, continues for 10 min., or sends out alarm when overheatPrecision±1dB(20~43dBm)(Built-in attenuator)RF Frequency Error Meter Capture Range±200kHzResolution1HzAccuracyTime base ±2HzIntensity Meter Of Signals Received Measurement RangedBm-110dBm~+43dBmAvailable RF Level RangeT/R port-50dBm~+43dBmANT portOption 001Option 002-110dBm~-10dBm-110dBm~-10dBm(2MHz~1GHz)-100dBm~-10dBm(1GHz~2.7GHz)Precision±3dB 
Demodulation meter-80dBm~+50dBm
-80dBm~+50dBmResolution Bandwidth Range10Hz~30kHz (1, 3, 10 steps)
10Hz~30kHz(with 1, 3, 10 step)Average Noise Level Displayed-120dBm (typical value, 10kHz Frequency width)
-120dBm(typical value,10kHz Frequency width)

 
Audio meterAudio input level20mVp~3Vp(Measurement range 1)2Vp~30Vp(Measurement range 2)Precision±(5%´measurement value+5mV)(Measurement range 1)Distortion(THD) Display range0~100%Resolution0.1%Precision±(5%´ measurement value +0.1%),(within 1%~20%)SINAD Display Range0~40dBResolution0.1dBPrecision±1.5dB, (within 8dB~35dB) 
DVM meterInput Level20mVp~3Vp(Measurement range 1)2Vp~30Vp(Measurement range 2)Precision±10%(Measurement range 1) 
Audio oscilloscope(option)External audio, DVM input, demodulation signalsSweep line1Marker2TriggerTypeAuto, standard, singlePulse edgeRising edge, falling edgeLevel can be triggered-60V~+60V(setting depends on measurement range)HorizontalRange0.2ms/lattice to 50ms/lattice, in the sequence of 1/2/5Precision±3%VerticalRange10mV~20V/lattice,in the sequence of 1/2/5Precision±10%, within the whole rangeCouplingAudio inputACDVM inputAC, DCInput ImpedanceAudio input150Ω, 600Ω, 1kΩ, high impedanceDVM input1MΩBandwidth20kHz 
Cable testOperating Temperature-10ºC~+50ºCStorage Temperature-40ºC~+70ºCSize295mm (W)×195mm (H)×70mm (D)Weight≤2.6kgPower Consumption≤25W(exclude battery recharging)Type of Power Input
 AC, Standard AdapterInput of the adapter:100~240V, DC of 50/60HzDCVoltage:12V~18V(without the battery)
15V~18V(with the battery)
Current:4A(min.)Built-In Battery(Standard)Nominal voltage:10.8V
Nominal capacity:≥7000mAh 
Input and output ports D DescriptionSignInterface typeRF Input /Output InterfaceANTBNCT/RBNCRF Output InterfaceSWRBNCAudio Output InterfaceAudio OutBNCAudio/DVM Input InterfaceAudio In/DVMBNCGPS Signal Input InterfaceGPSBNCAudio Cassette InterfaceAudio setSpecial 10-core interface
FAQ

1. Is Ceyear a manufacturer or a trading company?
Ceyear is a manufacturer first, with R&D team (around 1500 engineer), production line (around 500 people), and domestic and overseas slaes team.
Thus Ceyear is a company integrating R&D, production and sales.

2. What products do you have?
T&M instruments, optical communication tools, microwave component, test systems, and other customized products.

3. How can I get local sevice?
Ceyear has worked with local distributors in different countries for many years, and could provide local after-sale services with the help of those local partners. If you already have some products of Ceyear(previously EI brand included) and looking for services, you can directly contact us through Made-in-China platform.