TWIN 700/800/900 OUT OF BAND EMISSION FILTER (PROTECT GSM-R DL BAND)
The KA-6020 is ideal for co-located 700/800/900 and GSM-R networks. This filter is to be used on the commercial 700/800/900 BTS side to protect the GSM-R network from wideband interference. Utilising a 5MHz guardband the KA-6020 provides rejection of out of band emission into GSM-R band while passing 700, 800 & 900 UL and DL bands. Capable of being used in an outdoor environment the KA-6020 contains two identical bandstop filters, suitable for 2×2 MIMO configuration, offering excellent insertion loss, group delay, EVM and rejection.
FEATURES
- Rejection of out of band emissions into GSM-R downlink
- Passes full 700 & 800 band and the upper 30 MHz of the 900 band
- Notch filter structure
- DC/AISG pass
- Low insertion loss
- Outdoor and indoor configurations
- Twin unit
| BAND NAME |
700 & 800 BAND |
900 BAND |
| Passband |
703 – 862MHz |
885-915, 930-960MHz |
| Insertion loss |
0.9 dB max, 0.4 dB typical |
0.9 dB max, 0.4 dB typical |
| Return loss |
20 dB typical, 18 dB minimum |
| Rejection |
50dB minimum @ 921-925MHz |
| Impedance |
50Ohms |
| Intermodulation products |
-160dBc maximum with 2x20W (IM3) |
| Maximum input power (Per Port) |
200W continuous, 2000W peak – at sea level |
| Passband |
0 – 3MHz |
| Insertion loss |
0.3dB maximum |
| Return loss |
15dB minimum |
| Input voltage range |
± 35V |
| DC current rating |
2A continuous, 4A peak |
| Compliance |
3GPP TS 37.461 |
| Temperature range |
-40ºC to +55ºC |
| Ingress protection |
IP67, Outdoor unit |
| Lightning protection |
RF port: ±5kA maximum (8/20us), IEC 61000-4-5 – Unit must be terminated with some lightning protection circuits. |
| MTBF |
>1,000,000 hours |
| Compliance |
ETSI EN 300 019 class 4.1E, RoHS |
| Dimensions H x D x W |
334x130x80mm | 13.1 x 5.11 x 3.14in (Excluding brackets and connectors) |
| Weight |
4.4kg | 9.7lbs estimated |
| Finish |
Powder coated, light grey (NCS 1502-R) |
| Connectors |
RF: 4.3-10 (F) x 4 |
| Mounting |
Pole/wall bracket supplied with two metal clamps 45-178mm diameter poles |
| Carton size |
470 x 210 x 155mm |
| Gross weight (including packaging) |
4.7kg |
| PART NUMBER |
CONFIGURATION |
OPTIONAL FEATURES |
CONNECTORS |
| KA-6020-2032 |
TWIN, 2 in / 2 out |
DC/AISG PASS |
4.3-10 (F) |
