The HME External Antenna Signal Booster is a passive antenna that attaches to existing cellular cameras. Improves signal strength and range up to 50 percent​ and requires less power to acquire signal and also improves camera battery life​. 6 feet weather and critter-resistant cable​. Compatible with Verizon and AT&T​. Compatible with all Stealth Cam, Muddy, and WGI cellular cameras.