The 433 MHz M131 Thin Tag is a battery-powered RF transmitter that attaches to items that need to be tracked, located and identified. Every tag broadcasts its unique ID and a status message at a periodic rate (that is programmed at the factory). With their low profile... The 433 MHz M163 Wristband Tag is a battery-powered RF transmitter designed to be worn by children or adults for student, patient or personnel tracking applications. Every tag broadcasts its unique ID and a status message at a periodic rate (that is programmed at the... The 433 MHz M163-i Wristband Tag is a battery-powered RF transmitter designed to be worn by children or adults for student, patient or personnel tracking applications. Every tag broadcasts its unique ID and a status message at a periodic rate (that is programmed at... The 433 MHz M171 Durable Tag is a battery-powered RF transmitter designed with a sealed, water-resistant, crush-proof enclosure for general-purpose asset tracking. Every tag broadcasts its unique ID and a status message at a periodic rate (that is programmed at the... The 433 MHz M172-i IR Durable Tag is a battery-powered RF transmitter designed with a sealed, water-resistant, crush-proof enclosure for general-purpose asset tracking. Every tag broadcasts its unique ID and a status message at a periodic rate (that is programmed at... 