nRF93M1 provides a full IPv4/IPv6 data-plane with integrated TCP, UDP, TLS, DTLS, HTTP, HTTPS, MQTT, CoAP, and sockets, exposed to the host through AT commands and a USB network interface.
Transport and application protocols
| Feature | Details |
|---|---|
| IP versions | IPv4, IPv6, IPv4v6 (dual-stack), Non-IP. PDP type configured via
+CGDCONT. |
| Sockets | Up to 12 concurrent TCP/UDP sockets (%SKTCREATE… family).
Per-send payload up to 1400 bytes. Bind, listen (backlog 1–4), accept, and Release
Assistance Indication (RAI) on send. |
| DNS | %DNS=<url> resolves a domain name to an IP
address. |
| ICMP ping | %PING — count 1–255 or continuous, payload 1 B to 1500 B,
per-request timeout 1000 ms to 600 000 ms, and Release Assistance Indication (RAI)
on send.. |
| ICMP echo reply | Gated by %MODULECFG="icmpEchoReply" (0
disabled, 1 IPv4 and IPv6 (default), 2 IPv4 only,
3 IPv6 only). |
| HTTP/HTTPS client | GET, range-GET, POST, POST from file, READ, READ to file. URL up to 2048 bytes;
file body up to available file-system space. Content-type and SSL context per
%HTTPCFG. |
| CoAP | Used by the nRF Cloud services over DTLS 1.2 (libcoap). |
| TLS / DTLS | Mbed TLS 3.6.5; TLS 1.2, TLS 1.3, DTLS 1.2; DTLS Connection-ID (RFC 9146); 6 concurrent contexts. See the Security chapter for cipher suites. |