Literature

Stationary Transmitter Specifications
Frequency: 27.255 MHz ± .0025% (center frequency)
Bandwidth: 6 KHz
RF modulation: FSK ± 2 KHz nominal
RF output impedance: 50 Ohm nominal
Data encoding format: EMR
Power output: 10 watts minimum
Time out: built into the code format
Input voltage range: 11 to 15 Vdc (13.5 Vdc nominal)
Input current: 2 Amps maximum transmitting; 15 µA typical standby
Input current protection: fused with reverse polarity protection
Loop response time: 500 ms
Transmit time: 1 second
Code transmissions: alarm, restore, status, and low battery
Status report time frame: 70 minutes
Programming inputs:
System code select: two, eight-position DIP switches (16 bits, 65,536
codes)
Rx channel select (XT-1 only): two DIP switch positions
Bank select: two DIP switch positions
Status select: single DIP switch, ON-enabled, OFF-disabled
Auto-restore select: single DIP switch, ON-enabled, OFF-disabled
N/O, N/C select:
XT-1: two-position jumper to select input type
XT-4: four-position DIP switch to select input type
Test button: internal; transmitter sends a status signal when test button is
pressed (if pressed and held, transmitter times out after 30 ±3 seconds
Indicators: one red LED lights when transmitter is pressed and flashes when
power supply voltage falls below specified voltage; LED located underneath
rear cover
Temperature range: -4° to +140°F (-20° to +60°C)
Housing: black, weather-resistant, anodized aluminum enclosure with
removable end caps to provide wiring and programming access; end caps
secured with screws
Connectors:
RF: SO-239
External input:
XT-1: two-position screw terminals (input and ground)
XT-4: eight-position screw terminals (input and ground per channel)
Power supply input: two-position screw terminals (power and ground)
Size: 4.25 x 6.25 x 2.5 in (108 x 159 x 64 mm)
Weight: 1.0 lbs (0.454 kg)
Regulatory: FCC Part 95, no license required
Note: Requires ANT-2 antenna kit for proper operation
Marinas Municipal Parks Farms and Agriculture
Stationary Transmitters
XT-1
1 Channel
Transmitter
XT-4
4 Channel
Transmitter