Utilizing Dual-Band Network technology, your Router creates two separate networks (one at 2.4GHz band and the other at 5GHz band), allowing increased bandwidth AC900 User manual v2.0. Description: Recover, recycle, and recharge machine for use with 1234yf equipped air conditioning systems. Product Information. 29 ORIGINAL 5/99 34800/34801 Service Manual Theory of Operation and Safety Precautions The Series RA19392 2¾" R-12 Low Side Gauge (RA19401 Mac Tools) 3. My MAC AC 900 or MAC/ Robinair machine is similar to - Robinair Model - 12134 B (a dual purpose, R 12 or 134A, guessing, was made around AC900 High Power Wireless Dual Band Router Users Manual details for FCC ID For example, Advanced > Wireless > MAC Filtering means the MAC Filtering.34800/34801 Service Manual ORIGINAL 5/99. Component Descriptions. 1. 18190A R-134a Low Side Coupler (blue actuator, smaller I.D.).