A Systems Inc. works with telecommunications companies, equipment providers and research facilities to develop innovative and cost competitive wireless products and RF circuit designs including RF Circuits and subsystems for Cellular, Cordless, Wireless Data, Video and Satellite mobile, terminal and base station applications.

Products and Services for the Wireless Industry

RS232 Command Set

Frequency Commands
FREQ####### Sets FREQ in kHz (800000 - 1000000), Returns FREQ
FREQDOWN Decrements FREQ by STEP, Returns FREQ
FREQUP Increments FREQ by STEP, Returns FREQ
FREQ Returns FREQ

Amplitude Commands
POWER#### Sets POWER in .1 dBm (-100 - 100)
POWERDOWN Decrements POWER by .1 dBm, Returns POWER
POWERUP Increments POWER by .1 dBm, Returns POWER
POWER Returns POWER

CW Commands
RFOFF Turns off RF output, Returns status of RF (on/off)
RFON Turns on RF output, Returns status of RF (on/off)
RF Returns status of RF (on/off)

Step Commands
STEP### Sets STEP in kHz (25 or 30), Returns STEP
STEP Returns STEP

Contrast Commands
CONTRAST## Sets the CONTRAST level (0 - 15), Returns CONTRAST
CONTRAST Returns CONTRAST

Examples:

FREQ913025 Sets Frequency to 913.025 MHz
POWER80 Sets Output POWER to 8 dBm

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