LILYGO T-Display K230 Handheld AI Dev Kit, RISC-V LoRa Terminal, Expandable Keyboard, AMOLED Touch Screen for AIoT Project

Both keyboard interfaces are compatible with all T-Display K230 series main units.

**Keyboard with nRF9151 [K256-04] (Keyboard Module Only)**

Includes: Keyboard PCB, keys, nRF9151 (4G cellular module) soldered to the base plate.

Not included: K230 motherboard, screen, LoRa RF module.

Note: For expansion use only with the K230 main unit; 4G cellular communication is provided by the keyboard, LoRa functionality depends on the K230 motherboard.

**Keyboard without nRF9151 [K256-04-A] (Keyboard Module Only)**

Includes: Keyboard PCB, keys, shell,no RF module on the base plate.

Not included: K230 motherboard, screen.

Note: Pure input expansion accessory; communication functionality relies entirely on the K230 motherboard.

RF Differentiation:

Keyboards with nRF9151: have a built-in 4G module and can coexist with the motherboard's LoRa capability, but require firmware adjustments and adaptation.

Keyboards without nRF9151:lack an RF module and are primarily recommended for use with a LoRa motherboard in Meshtastic networking.