- Conformance testing according to TS 136 521-1(LTE)
- Spurious emissions measurements
- Receiver Blocking measurements
- Design verification of radio transmitters and receivers
Tunable Band Reject Filter RI 261
0.7-3.8 GHz, 20 MHz reject bandwidth, rack mount
Critical tool for adaptation to stringent ETSI/3GPP conformance test specifications for mobile device radio properties in device testing. Designed for formal conformance testing performed by accredited test houses, as well as internal verification by device vendors.
The Ranatec RI 261 is a versatile Tunable Band Reject Filter covering the 700 MHz to 3800 MHz range, designed for LTE and sub-6 GHz 5G testing. It offers precise frequency tunability and a compact rack-mountable design for efficient integration. The filter’s remote control support makes it an excellent choice for lab and production test environments.
Applications
Features
- Frequency tunable between 700 – 3800 MHz
- 1 kHz center frequency resolution
- 25 ppm frequency stability
- 20 MHz reject bandwidth as standard *
- 35 dB band reject depth as standard *
- Filter characteristics can be selected in runtime **
- 19”, 3 U rack mountable
- Remote control via LAN
- LabView drivers
* Other filter characteristics available on request
** Multiple filter characteristics available on request
Specifications
| Model Number | Description | Frequency bands for filter center frequency [MHz] | Measurement bands [MHz] | Filter bandwidth [MHz] | Filter slopes [MHz] |
| RI 261 | Tunable band reject filter 700-3800 MHz | 698-1000
1400-2000 2000-2700 3400-3800 |
600-1200
1200-2200 1700-3000 3100-4100 |
20 | 10 |
Electrical Interfaces
20 MHz Tunable Band Reject Filter 700-3800 MHz
Ordering
- RI 261 Tunable Band Reject Filter
- RI 4271 Frequency Extension Box 26.5 GHz
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