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Okay, and I'm almost done. So P25 Tetra DMR, let's talk about their encryption and the cryptographic protection of supply. So P25, it has N10 encryption, E2EE, and that's within the subscriber unit, right? So the radio itself. It uses an AES-256 bit encryption, and it's actually the lowest standard that's required for security. It's required for secure interoperability typically. There are some older legacy units that I was mentioning, and they use a 56-bit DES, that encryption standard algorithm. And as far as key management goes, they have a TIA-102 standard, and that basically defines the over-the-air re-keying that they can do from key management facilities. And that's basically all there is to that. The thing to note is that Motorola can and they can seamlessly share.