Bi-Directional Amplifier (BDA) Comparison Chart

Step 1) Please select the frequencies needed to be rebroadcasted. Per NFPA 1221 version 2019;

Step 2) Then select the Class type.

Step 3) Filter by Company Name (Optional).

Step 4) Filter by 2524 Listing Status (optional).

Step 5) Official Certifications from NRTL Only (optional).

Product Name Comba Public Safety 37dBm Class B Dual Band 700/800MHz BDA (AC/DC) Comba Public Safety 33dBm Class B Dual Band 800MHz BDA (AC/DC) SHIELD SOLO Guardian B (coming soon) VHF / UHF Dual band
Supported Bands 700/800 Dual-Band 800 700, 800, 700/800 Dual-Band 700/800 Dual-Band VHF/UHF Dual-Band
Class B B A B A
Uplink Frequencies in MHz From: MHz To: MHz From: MHz To: MHz From: 798 MHz To: 816 MHz From: 788 MHz To: 816 MHz From: 138 MHz To: 512 MHz
Downlink Frequencies in MHz From: MHz To: MHz From: MHz To: MHz From: 768 MHz To: 861 MHz From: 758 MHz To: 861 MHz From: 138 MHz To: 512 MHz
Uplink Composite Power in dBm 30 dBm 30 dBm
Downlink Composite Power in dBm 30 dBm 33 dBm
Power Consumption (Input Power) 65 Watts 50 Watts
2524 Listing Status Listed Listed Listed Listed
2524 NRTL for Listed Products SGS SGS INTERTEK/ETL No NRTL Reported SGS
2524 Certification Date 08/16/2019 08/16/2019 05/10/2022 07/26/2023
STD 2524 Certification Image View Certification View Certification View Certification View Certification
STD 2524 Comments Will be when launched (6/2022) Full product line including single band BDA and Fiber DAS; Multi-band BDAs and Fiber DAS (2, 3 & 4+ bands integrated in one NEMA); 12 and 24 Hour Lithium Battery backups and Annunciators.
Other Certifications UL 60950-1 & UL 60950-22 Compliant UL 60950-1 & UL 60950-22 Compliant UL 62368 Certified, FCC Certified, NFPA & IFC Compliant
Website Link or Product Page CEL-FI SOLO https://toweriq.nyc/guardian-series Safe-Com Wireless Product Download Page
Notes Class A/B software selectable unit that can be converted in the field without additional codes or license fees. Class A: 64 Channels at 12.5 kHz. Class B: 56 Channels at 100 kHz or 150 kHz. Will be launched on (6/2022) Multi-band capable, Dual Class A & B in one unit, NFPA compliant, Interlaced frequencies, Simplex, BBU available