The ARTEX ELT 345 transmits on 406 MHz and 121.5 MHz frequencies and can provide position accuracy with an optional GPS input thanks to the built-in GPS navigational interface. GPS data is embedded from the first emergency transmission and provides Search and Rescue personnel with the aircraft location, within 100 meters, in less than a minute. This unit can be activated manually with (remote switch or ELT switch) or automatically (the G-switch detects a 2.3G or greater impact). Once activated, the ELT 345 transmits a 406 MHz signal with the beacon's unique registration information and embedded GPS coordinates to the closest search and rescue agency via the Cospas-Sarsat satellite system. The beacon also transmits a 121.5 MHz homing signal to assist search and rescue to pinpoint the aircraft's GPS location. 

The ELT 345 provides a quick-and-easy retrofit opportunity with flexible installation options (standard or slim style two-wire remote switch). The ELT utilizes the same RF output using only one coax cable to transmit both 406 MHz and 121.5 MHz signals through either a 15- or 23-inch whip antenna. The ELT's built-in navigational interface does not require aircraft power to operate—which results in lower installation costs—and the stainless steel mounting bracket supplied with the unit has a multiple hole mounting pattern to accommodate legacy footprints

• Automatic Fixed (AF) Emergency Locator Transmitter (ELT)
• FAA TSO Approved
• Designed for a quick and easy first-time or retrofit installation in experimental and general aviation aircraft
• Installation kit included
• Stainless steel mounting bracket has multiple hole pattern configurations to match legacy ARTEX ELTs as well as ACK, Kannad or AmeriKing ELTs
• Single antenna output for emergency transmission on both 406 MHz (Cospas-Sarsat) and 121.5 MHz (local Search & Rescue) frequencies
• Optional enhanced position accuracy within 100 meters through a built-in GPS interface (NMEA 0183 or RS 232)
• Hermetically sealed G-Switch for increased reliability
• Test the ELT and installation with a satellite-based online confirmation test via ARTEX’s proprietary satellite testing service 406Test.com

Weight:
2 lb

Dimensions:
6.4 x 2.96 x 3.78 in
(transmitter with mounting hardware installed)

Operating Frequencies:
121.5 MHz ± 6.075 kHz (Emission Designator 3K20A3X)
406.040 MHz ± 1 kHz (Emission Designator 16K0G1D)
Depending on Cospas-Sarsat TAC

Output Power:
406 MHz: 5W for 24 hr @ -20°C to 55°C (-4°F to 121°F) 
121.5 MHz: 50 mW for 50 hr @ -20°C to 55°C (-4°F to 131°F)

Output Connector:
BNC female

Activation:
automatic by 4.5 ft/sec (2.3 G ) primary G-Switch and manual activation

Battery:
6-year, Lithium LiMnO2

Temperature Certified to:
Operating: -20°C to 55°C (-4°F to 131°F)
Storage: -55°C to 85°C (-67°F to 85°F)

Self-test checks:
G-Switch enabled, 406 MHz and 121.5 MHz power, NAV system, low battery

Remote control:
on/arm/test

Accessories:
Standard 2-Wire Remote Switch (2.00 x 1.30 in)
23.4-inch Black Whip Antenna
Audio buzzer (alerts ground crews of inadvertent activations)
Mounting tray
6' BNC to BNC coax cable

Approvals: 
Cospas-Sarsat, FAA TSO, Industry Canada