High-Power Frequency-Selective Switch Product Overview Shenzhen Huashi High-Power Frequency-Selective Switch (?SPST / SPDT ?) is a high-performance microwave component product from HS Microwave. This manual compiles technical specifications for all models in the series, for engineering design, system integration, and procurement reference. All data is from original factory test reports, unmodified. Key Features

Designed for high-power Tx front-ends
Power handling up to 3000W (0.5–2GHz)
Integrated frequency-selective filtering
Switching time ≤2 μs
Isolation ≥30 dB
Ideal for radar & comm. Tx systems
Rugged construction, excellent cooling
Custom frequency & power levels available

Typical Applications

Radar Tx front-ends
High-power base stations
EW Tx systems
Microwave heating
Industrial RF systems
SatCom uplink stations

Models & Specifications

Type	Model	Freq(GHz)	IL(dB)	VSWR	Isol.(dB)	Sw.Time(μs)	Power(W)
SPST	HSK1-P01	0.5-2.0	0.4	1.3	30	2	3000
SPST	HSK1-P02	1.0-2.0	0.5	1.4	30	2	2000
SPST	HSK1-P03	2.0-4.0	0.6	1.5	30	2	1500
SPST	HSK1-P04	4.0-8.0	0.9	1.6	30	2	800
SPST	HSK1-P05	8.0-12	1.2	1.8	30	2	500
SPDT	HSK2-P01	0.5-2	0.6	1.4	30	2	3000
SPDT	HSK2-P02	1-2	0.7	1.5	30	2	2000
SPDT	HSK2-P03	2-4	1.0	1.6	30	2	1500

General Specifications

Parameter	Specification
Impedance	50 Ω
Operating Temp.	-40°C ~ 85°C
Storage Temp.	-55°C ~ 105°C
Rel. Humidity	≤95% (non-condensing)
Control	TTL / manual / remote
Cooling	Forced air / liquid (per power)
Mounting	Rack / flange mount
Life	>100k switching cycles