Literature

Handheld 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: 2 watts minimum
Input voltage range: battery operated
Input current: .5 Amp transmitting, less than 1 µA standby
Reverse battery protection: yes
Batteries: 2-9 Vdc batteries
Antenna: 8-inch antenna (supplied)
Loop response time: 500 ms
Transmit time: 1 second
Code transmissions: alarm and low battery
Measured range: approximately 2 miles
Programming inputs:
System code select: two, eight-position DIP switches (16 bits,
65,536 codes)
Rx channel select: two DIP switch positions
Bank select: two DIP switch positions
Buttons: tactile type
Button debounce time: buttons must remain stable for 150 ms for a
transmission to begin
Indicators: one red LED lights when transmitter is pressed and flashes
when power supply voltage falls below specified voltage
Temperature range: -20° to +60°C (-4° to +140°F)
Housing: grey, weather-resistant, high impact plastic
Connectors:
RF: BNC
Size: 2.5 x 4.75 x 1.25 in
(64 x 121 x 32 mm)
Weight: 1 lb (0.454 kg)
Regulatory: FCC Part 95, no license required
Handheld Transmitters
USES:
Construction Sites Golf Courses
Linear’s Xtended Range wireless receivers and transmitters are more than twice
as powerful, 6 times more sensitive, and 3 times more immune to interference than
the next best mid-range wireless equipment.
XT-4H
XT-2H
XT-1H