700/800MHz Commercial and Public Safety Rejection Filters


 Interference between co-located commercial and Public Safety communications systems can be a challenge.  Comba offers high-quality passive rejection filtering to eliminate any co-location interference.  

700/800MHz Commerical Rejection Filters

 

FP-78-IN1

FP-78-IN2

Indoor 700/800MHz Pass Band Rejection Filter

 

FP-78-IN1 Features:

• Passes PS 700MHz and PS 800MHz (769-775MHz, 799-816MHz, 851-861MHz)

• 55dBc rejection on DC to 700MHz Band 14 downlink (0-767MHz)

• 45dBc rejection on ESMR 800MHz downlink to 2200MHz (862-2200MHz)

 

FP-78-IN2 Features:

• Passes PS 700MHz and PS 800MHz (769-775MHz, 799-816MHz, 851-861MHz)

• Reject 700 Upper C, LTE Band 14 downlink interference to Public Safety In-Building network

• Reject ESMR, 850MHz downlink interference to Public Safety In-Building network

• Improve Public Safety Equipment output to protect 700 Upper C, LTE Band 14 uplink

• Improve Public Safety Equipment output to protect ESMR, 850MHz uplink

 

 Electrical Specifications:

 Product Model FP-78-IN1 FP-78-IN2
 Pass Band (MHz)  769-775, 799-816, 851-861
 Insertion Loss (dB)

4.0 Max

5.0 (Over Temperature)

 Rejection (dB)

55dBc @ 0-767MHz

45dBc @ 862-2200MHz

55dBc @ 0-767MHz

30dBc @ 777-797MHz

30dBc @ 818-849MHz

45dBc @863-2200MHz

 Return Loss (dB) ≥ 18
 Input Power Per Port, max (W) 50
 Impedance (Ohm) 50

 

 Mechanical Specifications:

 Dimension Diameter, Height (in)

7.7 x 9.1

(without connector)

8.9 x 9.5

(without connector)

 Weight w/o Mounting Kit (lb/kg) TBD
 Connector Type N-Female

 

Environmental Specifications:

 Application Indoor
 Operating Temperature -40°C to +167°C
 Environment IP67
 Relative Humidity Up to 100%
 RoHS Compliant

 

Outline Drawing:

 

FP-78-IN1

 

 

Downloads: FP-78-IN1 SKU Sheet

 

 

FP-78-IN2

 

 

Downloads: FP-78-IN2 SKU Sheet