Questions and Answers: 1  MOST (75%) of the lymph goes to the axillary lymph nodes, via the pectoral lymph nodes. (It is extremely important to consider the axillary nodes when performing a breast exam on a patient.) 2  Most of the rest goes to the parasternal lymph nodes. 3  A small amount of lymph goes to the opposite breast.
RF Module. An RF (radio frequency) module is a piece of hardware that receives information from an outside source and sends that information to an RFID Mobile device. Two common types of RF modules used by RFID Mobile are an actual RF module and a barcode scanner.
To start off, for beginners, RF (Radio Frequency) Communication is the most preferred and low cost solution. All you need is a RF Module (Transmitter-Receiver Pair). Now, thatâs not all. RF Communication works on the principle of Serial Communication.ow depending upon the type of application, the RF module is chosen. For short range wireless control applications, an ASK RF Transmitter-Receiver Module of frequency 315 MHz or 433 MHz is most suitable.