ETL Systems DEXTRA 22421 Dual 8-Way L-Band Active Combiner

ETL Systems DEXTRA 22421 Dual 8-Way L-Band Active Combiner

The ETL Systems DEXTRA 22421 provides two independent 8-way L-band combiners, combining 16 RF inputs into two outputs across 850–2450 MHz in a compact 1U chassis. It includes a −20 dB front-panel monitoring port, Ethernet monitoring, and dual redundant power supplies, with optional amplifier redundancy for automatic switchover.

Frequency Range: 850–2450 MHz
Capacity: Dual 8-way combiners; 16 inputs and two outputs total
Gain: 0 ±1.0 dB mean across band
Front-Panel Monitor: −20 dB, 50 Ω SMA
RF Connector Options: 50 Ω BNC or SMA; 75 Ω F-Type or BNC
Amplification: Single amplifier path as standard; redundant amplifiers optional
Control & Monitoring: Ethernet with web browser access and SNMP
Power Supplies: Dual redundant AC supplies
Form Factor: 1U, 19-inch rack mount

Key Features

• Combines two groups of eight extended L-band signals in one chassis

• Provides front-panel status LEDs and signal monitoring

• Supports Ethernet status monitoring and dry-contact power supply alarms

• Offers selectable hot- or cold-standby amplifier redundancy with automatic switchover (OPT-R)