Various Articles by Decibel

DB4030 / DB4032 Duplexer

DB4055, DB4056, DB4067, DB4068, DB4071, DB4072 Rack Mount Duplexers Installation and Tuning Instructions

DB4057 and DB4058 150-174 MHz Band Pass / Band Reject Rack Mount Duplexers Installation and Tuning Instructions

DB4060 - DB4062 144-174 MHz Band Pass / Band Reject Duplexer Tuning Instructions

DB4075W, DB4076W, DB4075Z, DB4076Z 404-512 MHz Band Pass - Band Reject Duplexers Tuning and Installation Instructions

DB4090 Band Pass / Band Reject Duplexer 806-960 MHz Installation Instructions

Notch Filters DB4104 (30-50 MHz), DB4140 (148-174 MHz), DB4175 (450-470 MHz) Tuning Instructions

Tuning Procedure for Two-Transmitter Combiners DB4351, DB4381, DB4352, DB4382, DB4384

DB4022 and DB4029 (450-512 MHz and 806-960 MHz) Band Pass / Band Reject Cavity Tuning Instructions

DB4307, DB4308, and DB4309 3 dB Hybrid Couplers Tuning Instructions

Dual Junction Tunable Isolators Field Tuning Instructions

Band Pass Cavity Filters Installation and Tuning Instructions

DB4350 and DB4360 Low Loss Combiners Tuning Instructions

DB4379 Low Loss Combiner Tuning Instructions

Base Station Duplexers DB4036 (70-88 MHz); DB4044 and DB4046 (148-174 MHz) Installation and Alignment Instructions

DB4318H-2C
164-168.5 MHz Single Channel Filter and Isolator Tuning Instructions

ACT27xxJ2 and DBNXTL27xx Transmitter Combiner 5-Channel Models: ACT2705J2, DBNXTL2705 10-Channel Models: ACT2710J2, DBNXTL2710 15-Channel Model: ACT2715J2 20-Channel Model: ACT2720J2 Installation and Tuning Instructions

About RF Communications: A Non-Technical Approach