Specification

POST PORT IMPEDANCE: Zr=600 Ohm

Modem impedance:25 kHz to 22.8 kHz   100 Ohm

Insertion loss: @1000Hz   <0.3dB                     

                 200 Hz<f<3.4 kHz     1000Hz center   <± 1 dB  

Return loss: 300 Hz< f< 500 Hz    >=14 dB 

              500 Hz< f< 2000 Hz   >=18 dB

              2000 Hz< f< 3400 Hz  >=14 Db

LCL    200 Hz< f< 1K Hz      > =58 dB

             1KHz< f< 3K Hz        >=53dB

Attenuation: 30 kHz<f<138 kHz    >45dB

              138 kHz<f<2208K Hz   >55dB

Delay distortion: 500 Hz<f<4K Hz          250u sec

DC resistance:                           <25 Ω

Isolation resistance, branch-branch: 100 VDC; term = ∞ Ω    >5MΩ    

Frequencies and levels for pulse metering:12/16 kHz ± 1 %   <3 dB

Product size (mm):50*36.5*24

Weight (g):29

Inner package: PE bag

Unit for one PE bag

Size of PE bag (mm):113*85

Outer package: Neutral paper box/YIXI paper box

Size(mm):380*260*210

QTY(PCS):400

N.W. (KG) :11.6

G.W. (KG) :12.1