Garmin DC40 Replacement Antenna - SupraTuff - OKIE DOG SUPPLY!
3pcs Replacement Antenna GPS Dog Tracking Collar For Garmin Astro 320 220 DC30 DC40 DC50 T5 TT10 TT15 T5Mini Dog Collar|Communications Antennas| - AliExpress
8 Garmin Replacement long range Antenna for DC30/DC40 GPS tracking collar | eBay
Amazon.com : Outdoor Dog Supply's Reflective Glow Tuff Long Range Collar Antennas for The Garmin Dc30 & Dc40 Tracking Collars (Reflective Orange) : Pet Supplies
Garmin collar long range replacement antenna for T5, TT15, TT10, DC- 50,40,30 | eBay
51-00 Pcb Gps Antenna For Garmin Dc40 Dog Tracking Collar Part Repair - Used - Audio & Video Cables - AliExpress