5900EXPG Executive Package Includes 539 Receiver and 536 Transmitter Receiver: 433 MHz Transmitter: 2-3/8"w x 4-3/16"h x 15/16"d , Single Channel Compatible Operators 5700 6000 6300 Close Request Information Discuss your needs directly; fill out the form below. loading 536 Transmitter 538 Transmitter 539 Radio Frequency Receiver