T-Deck CYPHER-M8K

Rokland · Handheld

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Price: $149.97[1]

Specifications

SpecificationValue
Product statusActive [1]
LoRa chipSX1262 [1]
ProcessorESP32-S3 [1]
Radio power158 mW (22 dBm) [1]
Frequency bands915 MHz [1]
GPSBuilt in [1]
Display typeLCD [1]
Display size2.8 in [1]
Display details2.8-inch ST7789 320 × 240 IPS LCD [1]
InputKeyboard, Trackball [1]
Battery8000 mAh [1]
Dedicated solar inputUnknown
AntennaExternal [1]
Connector: N-female [1]
IP ratingUnknown
DimensionsUnknown
WeightUnknown
Rokland CYPHER-M8K handheld with keyboard, trackball, and external LoRa antenna
Image: Rokland

Firmware support

FirmwareSupportDetails
MeshtasticOfficial [2]
Details
Build target(s)
t-deck
Minimum version
2.1.20.470363d

Confirm your exact device in the official flasher before choosing a build.

Meshtastic web flasher
MeshCoreSupported [3]
Details
Build target(s)
LilyGo_TDeck_companion_radio_usb, LilyGo_TDeck_companion_radio_ble, LilyGo_TDeck_repeater, LilyGo_TDeck_kiss_modem
Roles
  • Companion (Bluetooth): LilyGo_TDeck_companion_radio_ble
  • Companion (USB): LilyGo_TDeck_companion_radio_usb
  • Repeater: LilyGo_TDeck_repeater
Minimum version
1.9.0

Confirm your exact device in the official flasher before choosing a build.

MeshCore web flasher
UMSHUnsupported [4]—

Where to buy

Vendor / configurationPriceBased inShips from
Rokland
Meshtastic$149.97
Observed 2026-10-19
🇺🇸🇺🇸

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Notes

Rokland’s finished T-Deck build includes an ASA-CF case, internal 8,000 mAh battery and GPS, plus an external N-female LoRa port and ALFA 2 dBi antenna.[1] The linked offer is the 915 MHz configuration.[1]

Sources

  1. Rokland T-Deck CYPHER-M8K product listing and variant M8K111
  2. Meshtastic LILYGO T-Deck documentation
  3. MeshCore official flasher device catalog
  4. UMSH hardware support list

Last updated 2026-10-20