Picture of product SL-70

Part #: 435-0402-000

Model: SL-70


UPS Aviation


Mode C Transponder

Part Number :

  • Panel mounted Mode A/C transponder
  • Sunlight readable alphanumeric LED display
  • Solid-state transmitter with peak power output of 300 watts (nominal)
  • Certified to FAA TSO-C74c, Class 2A and meets all requirements for VFR and IFR operations
  • Accepts encoder information via Gray Code or RS-232 serial data port
  • Outputs altitude on RS-232 serial data port to GPS receiver
  • Accepts 10-35 VDC input, reverse polarity protected
  • Altitude Hold feature generates warning when aircraft exceeds pilot selected buffer setting
  • Available in remote mount version - SL70R - for use remotely with CNX80
  • SL70R includes RS-232 serial port used to control the transponder from a host
Dimensions: 1.30"H x 6.25"W x 11.45"D Weight: 2.7 lbs.
Temperature: -20 to 55C Max Altitude: 25000 ft.
Altitude Input: 10 bit gray code altitude data, includes isolation diodes Sensitivity: -72dBm (MTL)
Dynamic Range: >50db Side Lobe Suppression: 2 pulse (P1,P2)
Transmitter Power: 250 watts min, 300 watts typical Reply Rate: 1200/second


- Mode C Transponder
Price Condition Status

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In relation to NE (New) parts, many OEMs change their prices and availability without any notice to dealers or the industry. Therefore, through the REQUEST or RFQ indication, we ask that customers contact us for the most accurate price and availability.

In relation to SV & OH parts, the used parts aftermarket in the aviation industry is not an infinite supply. It is a dynamic, constantly changing market that is significantly affected by and susceptible to highs and lows in supply and demand. Therefore, although we attempt to, at times, we are unable to predict the exact moment when an item may be available. Once again, through the REQUEST or RFQ indication on our website, we ask that customers contact us for the most current and accurate price and availability.

Newly Overhauled parts obtained from Garmin are designated with an N in their part number. This usually follows the 010- in the part number. As with most Garmin 010 part numbers, the N part numbers are for ordering purposes only and do not actually appear on the dataplate of the unit.