Combiners
Deti designs and manufactures a large selection of 2/4/8/16 ways very high power combiners ranging from 100 kHz to 40 GHz handling up to 20 kW. All our products are low losses and VSWR, high isolation and great phase/amplitude balance. They can be used in many areas as Radiocom , Satcom or EMC / EMI Testing. Most of them are mismatch tolerant or can even handle full input failures.
Depending on your needs find out our selection of:
- Narrow band coaxial power combiner
- Multi-octave broadband coaxial power combiner
- Waveguide power combiner or Magic Tee
Because there are all made in-house we can guarantee that all of them are robust and reliable and can be used in severe environments. Furthermore, if you can’t find the product that matches exactly your needs feel free to ask us, as we do offer custom designs.
16-Way 2025 – 2120 MHz Power Combiner – 640 W
CO-16-2025-2120-40-SF-716FThis 16-way Gysel power combiner covers the 2025-2120 MHz frequency range, and can output up to 640 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 25 dB. As all our products it is made in-house and comes a 3 years warranty.
16-Way 2025 – 2120 MHz Power Combiner – 640 W
CO-16-2025-2120-40-SF-716FThis 16-way Gysel power combiner covers the 2025-2120 MHz frequency range, and can output up to 640 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 25 dB. As all our products it is made in-house and comes a 3 years warranty.This 16-way Gysel power combiner covers the 2025-2120 MHz frequency range, and can output up to 640 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 25 dB. As all our products it is made in-house and comes a 3 years warranty.
16-Way 2100 – 2900 MHz Power Combiner – 240 W
CO-16-2100-2900-15-NF-716FThis 16-way radial power combiner covers the 2100-2900 MHz frequency range, and can output up to 240 W of continuous power and up to 20 kW of pulsed power. This device shows a great VSWR and a high isolation of 10 dB. As all our products it is made in-house and comes a 3 years warranty. 16-Way 2100 – 2900 MHz Power Combiner – 240 W
CO-16-2100-2900-15-NF-716FThis 16-way radial power combiner covers the 2100-2900 MHz frequency range, and can output up to 240 W of continuous power and up to 20 kW of pulsed power. This device shows a great VSWR and a high isolation of 10 dB. As all our products it is made in-house and comes a 3 years warranty.This 16-way radial power combiner covers the 2100-2900 MHz frequency range, and can output up to 240 W of continuous power and up to 20 kW of pulsed power. This device shows a great VSWR and a high isolation of 10 dB. As all our products it is made in-house and comes a 3 years warranty.
16-Way 27 – 31 GHz Power Combiner – 100 W
CO-16-27000-31000-100-WR28This 16-way power combiner covers the 27-31 GHz frequency range, and can output up to 100 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty. 16-Way 27 – 31 GHz Power Combiner – 100 W
CO-16-27000-31000-100-WR28This 16-way power combiner covers the 27-31 GHz frequency range, and can output up to 100 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.This 16-way power combiner covers the 27-31 GHz frequency range, and can output up to 100 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 100 – 512 MHz Power Combiner – 200 W
CO-2-100-500-200-NF-NFThis 2-way Wilkinson power combiner covers the 100-512 MHz frequency range, and can output up to 200 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 100 – 512 MHz Power Combiner – 200 W
CO-2-100-500-200-NF-NFThis 2-way Wilkinson power combiner covers the 100-512 MHz frequency range, and can output up to 200 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 100-512 MHz frequency range, and can output up to 200 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 1000 – 6000 MHz Power Combiner – 70 W
CO-2-1000-6000-35-SF-NFThis 2-way Wilkinson power combiner covers the 1000-6000 MHz frequency range, and can output up to 70 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 1000 – 6000 MHz Power Combiner – 70 W
CO-2-1000-6000-35-SF-NFThis 2-way Wilkinson power combiner covers the 1000-6000 MHz frequency range, and can output up to 70 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 1000-6000 MHz frequency range, and can output up to 70 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 1450 – 1500 MHz Power Combiner – 200 W
CO-2-1450-1500-100-SF-NFThis 2-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 200 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 1450 – 1500 MHz Power Combiner – 200 W
CO-2-1450-1500-100-SF-NFThis 2-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 200 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 200 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 1450 – 1500 MHz Power Combiner – 700 W
CO-2-1450-1500-350-716F-716FThis 2-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 700 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 1450 – 1500 MHz Power Combiner – 700 W
CO-2-1450-1500-350-716F-716FThis 2-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 700 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 700 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 200 – 1000 MHz Power Combiner – 4000 W
CO-2-200-1000-2000-716F-158This 2-way Wilkinson power combiner covers the 200-1000 MHz frequency range, and can output up to 4000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 200 – 1000 MHz Power Combiner – 4000 W
CO-2-200-1000-2000-716F-158This 2-way Wilkinson power combiner covers the 200-1000 MHz frequency range, and can output up to 4000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 200-1000 MHz frequency range, and can output up to 4000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 390 – 450 MHz Power Combiner – 500 W
CO-2-390-450-500-NF-NFThis 2-way Gysel power combiner covers the 390-450 MHz frequency range, and can output up to 500 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 390 – 450 MHz Power Combiner – 500 W
CO-2-390-450-500-NF-NFThis 2-way Gysel power combiner covers the 390-450 MHz frequency range, and can output up to 500 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Gysel power combiner covers the 390-450 MHz frequency range, and can output up to 500 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 5400 – 5900 MHz Power Combiner – 400 W
CO-2-5400-5900-400-NF-NFThis 2-way power combiner covers the 5400-5900 MHz frequency range, and can output up to 400 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 5400 – 5900 MHz Power Combiner – 400 W
CO-2-5400-5900-400-NF-NFThis 2-way power combiner covers the 5400-5900 MHz frequency range, and can output up to 400 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way power combiner covers the 5400-5900 MHz frequency range, and can output up to 400 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 700 – 1500 MHz Power Combiner – 700 W
CO-2-700-1500-700-NF-NFThis 2-way Wilkinson power combiner covers the 700-1500 MHz frequency range, and can output up to 700 W of continuous power. This device shows a great VSWR <1.35:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 700 – 1500 MHz Power Combiner – 700 W
CO-2-700-1500-700-NF-NFThis 2-way Wilkinson power combiner covers the 700-1500 MHz frequency range, and can output up to 700 W of continuous power. This device shows a great VSWR <1.35:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 700-1500 MHz frequency range, and can output up to 700 W of continuous power. This device shows a great VSWR <1.35:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 80 – 1000 MHz Power Combiner – 2800 W
CO-2-80-1000-1400-716F-716FThis 2-way Wilkinson power combiner covers the 80-1000 MHz frequency range, and can output up to 2800 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 80 – 1000 MHz Power Combiner – 2800 W
CO-2-80-1000-1400-716F-716FThis 2-way Wilkinson power combiner covers the 80-1000 MHz frequency range, and can output up to 2800 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 80-1000 MHz frequency range, and can output up to 2800 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 800 – 4000 MHz Power Combiner – 1000 W
CO-2-800-4200-500-NF-716FThis 2-way Wilkinson power combiner covers the 800-4000 MHz frequency range, and can output up to 1000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 800 – 4000 MHz Power Combiner – 1000 W
CO-2-800-4200-500-NF-716FThis 2-way Wilkinson power combiner covers the 800-4000 MHz frequency range, and can output up to 1000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 800-4000 MHz frequency range, and can output up to 1000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty.
2-Way 800 – 4200 MHz Power Combiner – 150 W
CO-2-800-4200-75-SF-SFThis 2-way Wilkinson power combiner covers the 800-4200 MHz frequency range, and can output up to 150 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty. 2-Way 800 – 4200 MHz Power Combiner – 150 W
CO-2-800-4200-75-SF-SFThis 2-way Wilkinson power combiner covers the 800-4200 MHz frequency range, and can output up to 150 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty.This 2-way Wilkinson power combiner covers the 800-4200 MHz frequency range, and can output up to 150 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 12 dB. As all our products it is made in-house and comes a 3 years warranty.
3-Way 1700 – 2100 MHz Power Combiner – 600 W
CO-3-1700-2100-600-NF-NFThis 3-way Wilkinson power combiner covers the 1700-2100 MHz frequency range, and can output up to 600 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty. 3-Way 1700 – 2100 MHz Power Combiner – 600 W
CO-3-1700-2100-600-NF-NFThis 3-way Wilkinson power combiner covers the 1700-2100 MHz frequency range, and can output up to 600 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty.This 3-way Wilkinson power combiner covers the 1700-2100 MHz frequency range, and can output up to 600 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 1 – 30 MHz Power Combiner – 5000 W
CO-4-1-30-5000-NF-716FThis Toroidal Magnetic Core Power Combiner covers the 1-30 MHz frequency range, and can output up to 5000 W of continuous power. This device shows a great VSWR <1.15:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 1 – 30 MHz Power Combiner – 5000 W
CO-4-1-30-5000-NF-716FThis Toroidal Magnetic Core Power Combiner covers the 1-30 MHz frequency range, and can output up to 5000 W of continuous power. This device shows a great VSWR <1.15:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.This Toroidal Magnetic Core Power Combiner covers the 1-30 MHz frequency range, and can output up to 5000 W of continuous power. This device shows a great VSWR <1.15:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 10 kHz – 400 MHz Power Combiner – 6000 W
CO-4-0.01-400-6000-NF-716FThis Toroidal Magnetic Core Power Combiner covers the 10 kHz-400 MHz frequency range, and can output up to 6000 W of continuous power. This device shows a great VSWR <1.4:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 10 kHz – 400 MHz Power Combiner – 6000 W
CO-4-0.01-400-6000-NF-716FThis Toroidal Magnetic Core Power Combiner covers the 10 kHz-400 MHz frequency range, and can output up to 6000 W of continuous power. This device shows a great VSWR <1.4:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This Toroidal Magnetic Core Power Combiner covers the 10 kHz-400 MHz frequency range, and can output up to 6000 W of continuous power. This device shows a great VSWR <1.4:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 100 kHz – 200 MHz Power Combiner – 16000 W
CO-4-0.1-200-16000-716F-158This 4-way Toroidal Magnetic Core Power Combiner covers the 100 kHz-200 MHz frequency range, and can output up to 16000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 100 kHz – 200 MHz Power Combiner – 16000 W
CO-4-0.1-200-16000-716F-158This 4-way Toroidal Magnetic Core Power Combiner covers the 100 kHz-200 MHz frequency range, and can output up to 16000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This 4-way Toroidal Magnetic Core Power Combiner covers the 100 kHz-200 MHz frequency range, and can output up to 16000 W of continuous power. This device shows a great VSWR <1.5:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 100 kHz – 200 MHz Power Combiner – 6000 W
CO-4-0.1-200-4000-NF-716FThis Toroidal Magnetic Core Power Combiner covers the 100 kHz-200 MHz frequency range, and can output up to 6000 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 100 kHz – 200 MHz Power Combiner – 6000 W
CO-4-0.1-200-4000-NF-716FThis Toroidal Magnetic Core Power Combiner covers the 100 kHz-200 MHz frequency range, and can output up to 6000 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This Toroidal Magnetic Core Power Combiner covers the 100 kHz-200 MHz frequency range, and can output up to 6000 W of continuous power. This device shows a great VSWR <1.3:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 100 kHz – 250 MHz Power Combiner – 1200 W
CO-4-0.1-250-1200-NF-NFThis Toroidal Magnetic Core Power Combiner covers the 100 kHz-250 MHz frequency range, and can output up to 1200 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 100 kHz – 250 MHz Power Combiner – 1200 W
CO-4-0.1-250-1200-NF-NFThis Toroidal Magnetic Core Power Combiner covers the 100 kHz-250 MHz frequency range, and can output up to 1200 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.This Toroidal Magnetic Core Power Combiner covers the 100 kHz-250 MHz frequency range, and can output up to 1200 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 15 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 1200 – 1400 MHz Power Combiner – 800 W
CO-4-1200-1400-220-NF-NFThis 4-way Gysel power combiner covers the 1200-1400 MHz frequency range, and can output up to 800 W of continuous power. This device shows a great VSWR <1.4:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 1200 – 1400 MHz Power Combiner – 800 W
CO-4-1200-1400-220-NF-NFThis 4-way Gysel power combiner covers the 1200-1400 MHz frequency range, and can output up to 800 W of continuous power. This device shows a great VSWR <1.4:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty.This 4-way Gysel power combiner covers the 1200-1400 MHz frequency range, and can output up to 800 W of continuous power. This device shows a great VSWR <1.4:1 and a high isolation of 18 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 1450 – 1500 MHz Power Combiner – 1400 W
CO-4-1450-1500-350-716F-716FThis 4-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 1400 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 1450 – 1500 MHz Power Combiner – 1400 W
CO-4-1450-1500-350-716F-716FThis 4-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 1400 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.This 4-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 1400 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 1450 – 1500 MHz Power Combiner – 400 W
CO-4-1450-1500-100-SF-716FThis 4-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 400 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 1450 – 1500 MHz Power Combiner – 400 W
CO-4-1450-1500-100-SF-716FThis 4-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 400 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.This 4-way Gysel power combiner covers the 1450-1500 MHz frequency range, and can output up to 400 W of continuous power. This device shows a great VSWR <1.2:1 and a high isolation of 23 dB. As all our products it is made in-house and comes a 3 years warranty.
4-Way 2020 – 2120 MHz Power Combiner – 800 W
CO-4-2020-2120-200-NF-716FThis 4-way Gysel power combiner covers the 2020-2120 MHz frequency range, and can output up to 800 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty. 4-Way 2020 – 2120 MHz Power Combiner – 800 W
CO-4-2020-2120-200-NF-716FThis 4-way Gysel power combiner covers the 2020-2120 MHz frequency range, and can output up to 800 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.This 4-way Gysel power combiner covers the 2020-2120 MHz frequency range, and can output up to 800 W of continuous power. This device shows a great VSWR <1.25:1 and a high isolation of 20 dB. As all our products it is made in-house and comes a 3 years warranty.
A RF or microwave power combiner allows to sum a number of RF input signals coming from distinct sources such as solid state power amplifier. DETI designs and manufactures several type of power combiner such as Wilkinson, rat-race (Gysel), magnetic cores or even radial. Therefore we can offer the product that best fits your needs in terms of power handling, number of input ports, frequency bandwidth.
Because it is hard to predict when one of the input sources will go down, most of our products can handle full input failure, giving you the time to tackle the issue on your system.
Our products are versatile: they can be used in a lot of commercial or military applications. They are able to cope with severe environmental conditions. If needed, Deti can provide heat sink or give you the information to use your own, insuring no degradation on any specification over the temperature range (usually -40°C to + 85°C).
When look for a power combiner for your application there main elements to look at. First of all, it your system is narrow band and high power, Gysel power combiners are the way to go.
However if you need more power with very low losses, and a lot of room available, Waveguide Magic Tee. For wideband applications, there is only 2 ways to go : Wilkinson, and magnetic core power combiners.
Theses combiners (such as the 4-Way 10 kHz – 400 MHz Power Combiner – 6000 W) are very space efficient regarding the amount of power they can deal with and how low frequency they are.
Wilkinson power combiner are the best all-rounder device of the lot. They can be design to be ultra wide-band. Howeved DETI as a lot of experience in designing very high power multi-octave Wilkinson power combiners.