Seeed SenseCAP Card Tracker T1000-E

Credit-card-sized, IP65 nRF52840 tracker with an LR1110 radio, GNSS and no screen. Meshtastic and MeshCore supported; max TX power not stated.

Specifications
Maker	Seeed Studio
MCU	nRF52840
LoRa radio	Semtech LR1110 (not SX1262)
GNSS	Mediatek AG3335
Battery	700 mAh, charged through a magnetic USB puck with pogo pins
Enclosure	IP65
Screen	None; one button and a buzzer
Frequency	863-928 MHz (Seeed, The Pi Hut); Meshtastic's page says 865-928 MHz
Max TX power	Not stated on any page we read
Vendor price (USD)	$39.90; charging puck $14.90 (Seeed, read 2026-10-29); no UK price verified

Meshtastic: supported

MeshCore: supported

RNode (Reticulum): unconfirmed

Updated 29 Oct 2026

What it is

The SenseCAP Card Tracker T1000-E is a small, IP65-rated tracker. It has an nRF52840 microcontroller, a Semtech LR1110 radio rather than the SX1262 used by most boards in this section, a Mediatek AG3335 GNSS receiver, a 700 mAh battery that charges through a magnetic USB puck (pogo pins), a button and a buzzer. There is no screen, so you read messages on a phone.

Who it suits

Best for: a clip-on or bag tracker that needs weatherproofing and a small size.

Not for: reading messages on the device, or RNode and Reticulum users (it is not on the Reticulum manual's list and has no RNode board definition that we found, so the status is "not listed", not "does not work").

UK 868 MHz notes

Seeed and The Pi Hut give the frequency as 863-928 MHz; Meshtastic's page says 865-928 MHz. We could not establish which is exact, but both cover 868 MHz. The Pi Hut lists a single global SKU, with the region set in the app: set it to the EU 868 region for the UK, never 915 MHz. See Buy the right frequency.

We found no stated maximum transmit power for the T1000-E, and the LR1110 is a different radio from the SX1262, so we do not assume a figure. The arithmetic (ours):

e.r.p. (dBm) = conducted TX (dBm) + antenna gain (dBi) - 2.15 - cable loss (dB)

The UK limit is 500 mW e.r.p. at 869.40-869.65 MHz (10% duty cycle or listen-before-talk) and 25 mW in most other 868 MHz sub-bands, per Ofcom IR 2030 v1.16 (published 7 April 2026). Meshtastic's EU_868 region (869.4-869.65 MHz, 10% duty cycle) sits in the 500 mW slot.

Firmware

Meshtastic: supported.
MeshCore: supported ("Seeed Studio SenseCAP T1000-E" in the flasher catalog; t1000-e in the repository).
RNode / Reticulum: not listed in the Reticulum manual and no RNode board definition found. Status unconfirmed.

Flashing: Flash Meshtastic, Flash MeshCore.

Known quirks

Meshtastic's page says the LR1110 cannot receive Meshtastic packets directly from older SX127x radios. Transmitting works, and reception via an SX126x hop works.
With one button and no reset, flashing needs the Meshtastic nRF52 bootloader (OTAFIX) version 2.5 or newer. Enter the bootloader by holding the button at startup.
Button functions per Meshtastic: hold 5 seconds to shut down, double press to ping, triple press to toggle GPS, four presses to mute.

Power

Neither Seeed nor Meshtastic publishes an idle current for the T1000-E. No reliable figure is published here. The battery is 700 mAh. Measure your own device. See Power.

Guides: Flash Meshtastic, Flash MeshCore, Power, Antenna placement
Tools: Link budget calculator, Solar node sizing
Other devices: LILYGO T-Echo, Heltec Wireless Tracker
Comparison: Meshtastic vs MeshCore