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Chronos | Cellular Modem
Chronos | Cellular Modem

Chronos | Cellular Modem

Embedded Planet
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  • EP-Chronos-C
    • (Castellated No GNSS)
  • EP-Chronos-H
    • (2 X 10 Pin Headers No GNSS)
  • EP-Chronos-GNSS-C
    • (Castellated w/GNSS)
  • EP-Chronos-GNSS-H
    • (2 X 10 Pin Headers w/GNSS)

Cellular Capabilities

  • Cellular Technologies: LTE-M (LTE CAT M1), LTE CAT NB2
  • SMS: over NAS
  • Lower power modes: PSM, eDRX
  • Operating frequencies: 617MHz to 2200MHz
  • Cellular Operating Mode: Half-duplex FDD
  • RF Output Power: up to +20dBm(Power Class 5)

Internet Protocols

  • IPv4/IPv6 stack with TCP and UDP protocols

LTE CAT M1 Specifications

  • Bands: B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B27, B28, B66,B71, B85
  • RX Sensitivity CAT M1: -102.2 to -107.5 dBm depending on band
  • Uplink: up to 1Mbps
  • Downlink: up to 588kbps


  • Removable: 4FF (nano) SIM card slot
  • Soldered down: MFF2
  • Internal: Telit simWISE™

Cellular Certifications

  • PTCRB: Complete
  • AT&T: In Progress
  • Verizon: In Progress

GNSS Specifications

  • Constellations: GPS, GLONASS, BeiDou, Galileo, QZSS
  • Tracking Sensitivity: -159dBm
  • Navigation Sensitivity: -155dBm
  • Cold Start Sensitivity: -144dBm

Power Supply

  • Main Power Supply: 3.4Vdc to 4.2Vdc (3.8Vdc nominal)
  • GPIO Reference Voltage: 1.65Vdc to 5.5Vdc

Form Factor

  • Dimensions (with headers, unmated): 29.5 x 33.0 x 10.34mm
  • Dimensions (with headers, mated): 29.5 x 33.0 x 7.14mm
  • Dimensions (castellated): 29.5 x 33.0 x 4.35mm


  • Operating Temperature Range: -40°C to +85°C
  • Storage Temperature Range: -40°C to +85°C
  • Humidity Range: 20% RH to 90% RH