Company Profile
3H Communication Systems is an industry leading RF and microwave company that provides high value, cost effective solutions to military and commercial markets. Our team specializes in the design and manufacturing of filter products including Lumped Component, Ceramic, Cavity, High Power, Multiplexers, Multi-function assemblies, SMT, Connectorized, Pins, and Leadless filter products from DC to 50 GHz. The high degree of engineering and technical capability focused on innovation with decades of expertise for high value and high-quality RF products allows 3H to provide its customers with custom, high performing filter solutions. We believe that customer service should be nothing short of exceptional, so we support our customers through every step of the design process to ensure that all their technical needs are met.
Location:
3H Communication Systems Inc.
4000 Barranca Parkway
Irvine CA 92604
United States
3H Communication Systems model number XLCN400-30-7SS, is a leadless SMT bandpass filter with a notch integrated into the passband 
The Tx and Rx Band provides >110 dB co-channel isolation while maintaining <1.0 dB Passbands insertion loss. Specifications include frequency bands: Tx: 640 to 650 MHz, Rx: 661 to 671 MHz, Tx to Rx rejection: >110 dB at 661 to 671 MHz, Rx to Tx Rejection: >100 dB at 640 to 650 MHz, Tx/Rx passband insertion loss: <1.0 dB as well as average power handling: up to 200 W.
3H Communication Systems model number XLCN400-30-7SS, is a leadless SMT bandpass filter with a notch integrated into the passband. Insertion loss at 235 to 345 MHz is < 2.0 dB and < 2.5 at 435 to 465 MHz. The notch band is centered at 400 MHz with a 30 MHz notch band of >15 dB attenuation. The filter size is 0.74 L x 0.44 W x 0.27 H" and is suitable in tape and reel packaging.
3H Communication Systems designs and manufactures a complete line of Public Safety filters and multiplexers for First Responders for Land, Mobile, Marine and Aeronautical markets. The filter products are suited for VHF, UHF, 700, 800, 900 MHz and Tetra Bands. 3H filter products offer low insertion loss and >60 dB Co-Channel isolation.