T2-301

Discontinued Product

This product has been discontinued. Information is provided for reference only.

The T2-301 is a Tracker2 board integrated with a Friendcom FC-301 D transceiver. The unit is preset to 144.39 MHz. Receive coverage is from 127 to 186 MHz.

Additional Commands

The T2-301 adds the following commands for radio control:

SETFREQ ttt.ttt rrr.rrr

Sets the transmit and receive frequencies in MHz.

Example:

SETFREQ 144.390 144.390

(Note: The echoed receive frequency may not match what was entered due to a minor glitch.)

SETPOWER pp

Sets the transmit power from 0 to 99. This scale is non-linear and varies with supply voltage and unit-specific variation.

Voltage	pp Setting	RF Output Power
–	0	< 1 mW
12.5 V	~42	5 W
15 V	99	> 9 W

Pinouts

Ports A and B use RS-232 signaling.

⚠️ The command console and configuration program must use Port A.

The 9-pin radio connector pinout differs from the Radio Wiring of other Argent Data products:

Pin	Function
1	Port B in
2	Port A out
3	+5V out
4	Ground
5	Power in (9–15V DC)
6	IRQ / Counter in
7	1-Wire bus
8	Port A in
9	Port B out