# Link 400 Internal Antennas: transport, network and control

Data version 6d29e2f86993, built 2026-10-26; facts on this page checked 2026-10-21.

Transport, network and control of [Link 400 Internal Antennas](https://specs-dev.teradek.com/products/prod.link.md), every field with its source and date. A field no source publishes reads "Not collected yet."; that is not a "no".
## Transport

- <a id="specs-transport-protocols"></a>Link: protocols: TRT, SRT, RIST, RTMP, RTMPS, RTSP, HLS, MPEG-TS, WHIP, other. Source: Teradek product data, seen 2026-10-21.
- <a id="specs-transport-bonding_supported"></a>Link: bonding supported: Yes. Source: Teradek product data, seen 2026-10-21; also stated by official page (https://teradek.com/pages/link).
- <a id="specs-transport-bonding_links_max"></a>Link: most bonded links 10. Source: Teradek product data, seen 2026-10-21. Published figures disagree: 10 (Teradek product data) and 8 (official page at teradek.com, seen 2026-10-21); shown: 10.
- <a id="specs-transport-bonding_by_type"></a>Link: bonding by type: Cellular: 8; Ethernet: 2; Satellite: 2. Source: Teradek product data, seen 2026-10-21.
- <a id="specs-transport-bonding_requires"></a>Link: bonding requires: WAN Bonding Subscription License (01-1130) / Teradek Data. Source: Teradek product data, seen 2026-10-21.

## Cellular

- <a id="specs-cellular-internal_modems"></a>Link: internal modems 8. Source: Teradek product data, seen 2026-10-21. Published figures disagree: 8 (Teradek product data) and 4 (official page at teradek.com, seen 2026-10-21); shown: 8.
- <a id="specs-cellular-technology"></a>Link: technology: 5G_SA, 5G_NSA, LTE. Source: Teradek product data, seen 2026-10-21.
- <a id="specs-cellular-bands"></a>Link: bands: 5G NR: n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48 (CBRS), n66, n71, n77, n78, n79, LTE: B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B20, B25, B26, B28, B38, B39, B40, B41, B42, B43, B46, B48, B66, B71. Source: Teradek product data, seen 2026-10-21.
- <a id="specs-cellular-eu_operator_tested"></a>Link: eu operator tested: Vodafone (DE/UK), Telekom (DE), Orange (FR), A1 (AT/BG). Source: Teradek product data, seen 2026-10-21.

## Network

- <a id="specs-network-ethernet_ports"></a>Link: ethernet ports: 2x 10/100/1000 BASE-T Gigabit Ethernet (RJ45 WAN/LAN). Source: Teradek product data, seen 2026-10-21.
- <a id="specs-network-wifi"></a>Link: wi-fi: Wi-Fi: 2.4/5GHz 802.11 a/b/g/n/ac/ax MIMO; BLE for Network Configuration. Source: Teradek product data, seen 2026-10-21.
- <a id="specs-network-usb"></a>Link: usb: 2x USB-A (for file upload to cloud / accessories). Source: Teradek product data, seen 2026-10-21.

## Security

- <a id="specs-security-encryption"></a>Link: encryption: TLS, Bondix encrypted tunnel, WPA3 / WPA2, AES-256. Source: Teradek product data, seen 2026-10-21.

- <a id="specs-cloud_targets"></a>Link: cloud targets: [Core Classic](https://specs-dev.teradek.com/services/svc.core-classic.md), [Teradek Data](https://specs-dev.teradek.com/services/svc.data.md). Source: Teradek product data, seen 2026-10-21.

## Control

- <a id="control-apps"></a>Link: apps: Teradek Cloud, my.teradek.cloud mobile UI. Source: Teradek product data, seen 2026-10-21.
- <a id="control-web_ui"></a>Link: web ui: Yes. Source: Teradek product data, seen 2026-10-21; also stated by official page (https://teradek.com/products/link).
- <a id="control-api"></a>Link: API: Private SDK; REST API. Source: Teradek product data, seen 2026-10-21.
- <a id="control-cloud_management"></a>Link: cloud management: [Core Classic](https://specs-dev.teradek.com/services/svc.core-classic.md). Source: Teradek product data, seen 2026-10-21.

## Protocols it does not list

- Link: WHEP is not listed in Teradek's data for it, which is not a "no"; other Link products list it (Link AX).
- Link: WebRTC is not listed in Teradek's data for it or for any other current Link product, which is not a "no".

## Not on this site

- Link: minimum signal level and weak-signal throughput: Not collected yet.
- Link: ports, firewall rules and proxy behaviour: Not collected yet; ask Teradek support.
- No field report (a third-party test, measurement or repair report) is held for Link; the figures here are Teradek's.

## Sources on this page

- [Teradek product data](https://specs-dev.teradek.com/sources/src.teradek-data-da800638.md)
- [Teradek product data](https://specs-dev.teradek.com/sources/src.teradek-data-56657a02.md)
- [Teradek product data](https://specs-dev.teradek.com/sources/src.teradek-data-c30be0c7.md)

## Other topics

- [Video, audio and latency](https://specs-dev.teradek.com/products/prod.link/video.md)
- [Radio](https://specs-dev.teradek.com/products/prod.link/rf.md)
- [Physical](https://specs-dev.teradek.com/products/prod.link/physical.md)
- [Power](https://specs-dev.teradek.com/products/prod.link/power.md)
- [Regulatory](https://specs-dev.teradek.com/products/prod.link/regulatory.md)
- [Lifecycle and firmware](https://specs-dev.teradek.com/products/prod.link/lifecycle.md)
- [Variants](https://specs-dev.teradek.com/products/prod.link/variants.md)
- [Compatibility](https://specs-dev.teradek.com/products/prod.link/compatibility.md)
- [Workflows](https://specs-dev.teradek.com/products/prod.link/workflows.md)
- [Network requirements](https://specs-dev.teradek.com/products/prod.link/network.md)
- [Support](https://specs-dev.teradek.com/products/prod.link/support.md)
- [Prices](https://specs-dev.teradek.com/products/prod.link/prices.md)

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