No. |
Technical parameters |
Technical index |
1 |
Working frequency (MHz) |
851~866 |
2 |
Frequency Selected number |
8 |
3 |
Max Output level (dBm) |
≥0 |
4 |
Gain (dB) |
≥20 |
5 |
Passband fluctuation (dB) |
≤1 |
6 |
Gain attenuation (dB) |
≥31 |
7 |
Gain attenuation Stepping (dB) |
≤1 |
8 |
Standing wave ratio |
≤1.4 |
9 |
Time delay (us) |
≤20 |
10 |
Intermodulation attenuation (dBc) |
≤-45 @-3 dBm/2FA ( Frequency space 50KHz) |
11 |
Selectivity (single carrier) (dBc) |
<-50 @ Fo±100KHz |
12 |
1dB channel Bandwidth (KHz) |
≥50 |
13 |
3dB channel Bandwidth (KHz) |
≥70 |
14 |
channel Stepping frequency (KHz) |
≤1 |
15 |
Supply voltage (V) |
+12±1 |
16 |
Radio frequency interface's type |
SMA-K |
17 |
Radio frequency interface impedance (Ω) |
50 |
18 |
Monitoring interface |
RS485 |
19 |
Monitoring protocol |
《YJ Internal module communication protocol》 |
20 |
Working temperature (℃) |
-25 ~ +55 |
21 |
Relative humidity (%) |
45~75 |
22 |
Overall dimensions (mm) |
≤218*138*38 (Regardless of the plugin) |