Ball Efratom Modular Frequency Standard System 103790-010 w/MBF MRK MBU MPS

Pendulum Instruments CNT-90 Frequency Counter, 12 digits

EFRATOM Rubidium-Vapor 10 MHz Frequency Standard (SN: 250/6244)

Motorola GPS Frequency Standard | 5 MHz | Good for Quantar Repeater

Advantest TR3110 Frequency Standard, 100KHz, 1MHz, 10MHz, 100MHz

RUBIDIUM FREQUENCY STANDARD 10MHz 12dBm

Tekelec TE 820A DS1 Frame Simulator Analyzer w/ Cards (Tested Works Read Desc)

HP Agilent 5352B 40 GHz Microwave Frequency Counter Opt 010 -- Calibrated --