EBD021
Teltonika CALYX EBD021 4G Pi Hat
Teltonika EBD021 4G Calyx Raspberry Pi HAT+ - Image 3
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Teltonika CALYX Industrial Cellular Pi Hat
Calyx EBD021
CALYX EBD021 Box Contents
EBD021
Teltonika CALYX EBD021 4G Pi Hat
Teltonika CALYX Industrial Cellular Pi Hat
Calyx EBD021
CALYX EBD021 Box Contents
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Teltonika EBD021 4G Calyx Raspberry Pi HAT+

The Teltonika CALYX EBD021 is an industrial 4G LTE cellular Pi HAT designed to add professional-grade mobile connectivity to Raspberry Pi 4 and Raspberry Pi 5 platforms.

Built around LTE Cat 4, EBD021 delivers dependable connectivity for IoT gateways, edge computing, telemetry, automation, and industrial control—ideal for deployments where reliability and coverage matter more than peak speeds.

Key features:

  • 4G LTE Cat 4 with 3G/2G fallback
  • Designed for Raspberry Pi 4 & Raspberry Pi 5
  • Dual SMA connectors for external cellular antennas
  • Nano SIM slot (4FF)
  • Industrial temperature range for field deployments

£28.00 Excl VAT

CALL US to discuss volume pricing 0300 124 6181
Do you need a Fixed IP SIM Card / IoT SIM?

Teltonika CALYX EBD021 – 4G Pi Hat

The Teltonika CALYX EBD021 (4G LTE Pi Hat) transforms your Raspberry Pi into a professional, network-ready IoT edge device. Designed for reliability and performance, it provides secure cellular connectivity for remote monitoring, telemetry, or backup WAN applications.

Key Features

  • 4G LTE Cat 4 modem with 3G fallback
  • Standard Raspberry Pi HAT form factor (40-pin connector)
  • Dual SMA antenna ports (Main + Diversity)
  • Plug-and-play integration with Raspberry Pi 4 and Pi 5
  • Industrial temperature range (-40 °C to +70 °C)
  • Designed for edge deployments and IoT proof-of-concepts
  • Compatible with multi-network and private IoT SIMs

Typical Applications

  • Smart cabinet or vending machine backhaul
  • CCTV and ANPR camera connectivity
  • Environmental and agri-data monitoring
  • SCADA and PLC telemetry nodes
  • Retail POS failover internet
  • Pop-up WAN and temporary sites

Technical Specifications

Specification Details
Model Teltonika Calyx EBD021
Cellular Technology 4G LTE Cat 4 (150 Mbps DL / 50 Mbps UL)
Fallback 3G/2G (where available)
SIM Interface Standard Mini SIM (2FF)
Antenna Interfaces 2 × SMA female (Main + Diversity)
Data Interface 40-pin Raspberry Pi HAT connector
Power Input 5 V DC from Pi header
Temperature Range -40 °C to +70 °C
RMS Support Yes – Teltonika RMS compatible
Certifications CE, UKCA, RoHS

IoT SIM Connectivity

Your CALYX EBD021 requires the right IoT SIM for dependable operation.

We provide multi-network roaming SIMs, private APN SIMs, and fixed IP SIMs designed for routers, gateways, and telemetry devices.
Use a dynamic IP IoT SIM for outbound cloud links, or a private fixed IP SIM with VPN for secure inbound access.
👉 Explore our IoT SIM options for a complete solution including antenna bundles and VPN setup guidance.

Why Buy From Us

As a Teltonika Diamond Partner, 3G Router Store supplies hardware, expert support, and IoT SIM integration backed by UK stock and configuration services.
We help you connect, secure and deploy industrial IoT in one place.

SKU: TELTONIKA-EBD021-N Categories: , , Tags: , , , , , , , , , , , Brand:
CALYX EBD021 Flyer (pdf) CALYX EBD021 Datasheet (pdf) Calyx Quick Start Guide Calyx User Manual CALYX 3D Models  
Technical Specifications
Model Teltonika CALYX EBD021 – 4G LTE Pi Hat
Mobile Module 4G LTE-FDD (Cat 4) – 75 Mbps DL / 50 Mbps UL; LTE-TDD (Cat 4) – 65 Mbps DL / 35 Mbps UL; DC-HSPA+ – 42 Mbps DL / 5.76 Mbps UL; 3G – 384 kbps DL / 384 kbps UL; 2G EDGE – 236.8 kbps DL / 236.8 kbps UL; 2G GPRS – 85.6 kbps DL / 85.6 kbps UL
3GPP Release Release 9
USB Interface USB 2.0 Type-C (receptacle), data rate up to USB 3.0 standard
40-pin GPIO Header
  • PWR_KEY: Modem on/off (Digital Input 0–3.3 V, active High pulse ≥ 500 ms)
  • Modem Wake-Up: Exit sleep mode (Digital Input 0–3.3 V, active Low)
  • Modem Reset: Reboot modem (Digital Input 0–3.3 V, active High)
  • PCM: Digital audio interface (0–3.3 V logic)
  • SIM_SELECT: Switch between physical SIM and eSIM (0–3.3 V, High = eSIM)
SIM Interface 1 × Nano SIM slot (4FF), push-pull mechanism
Antenna Interfaces 2 × SMA female connectors for Mobile (Main + Diversity)
Status LEDs 1 × Power / NET IND / NET STAT Indicators
Power Input 5 V DC via USB-C or Raspberry Pi 40-pin header (5 V and 3.3 V lines)
Dimensions (W × H × D) 56 × 23.11 × 95.48 mm
Weight 57 g
Mounting Options Includes mounting kit for secure installation with Raspberry Pi enclosure
Operating Temperature −40 °C to +75 °C
Regulatory Approvals CE, UKCA, EAC, UCRF, RCM, CB, WEEE
EMC Compliance EN 55032:2015 + A11:2020 + A1:2020 / EN 55035:2017 + A11:2020 / EN 61000-3-3:2013 + A1:2019 + A2:2021 / EN IEC 61000-3-2:2019 + A1:2021 + A2:2024 / EN 301 489-1 V2.2.3 / EN 301 489-17 V3.3.1 / EN 301 489-52 V1.2.1
RF Compliance EN 301 908-1 V15.2.1 / EN 301 908-2 V13.1.1 / EN 301 908-13 V13.2.1 / EN 301 908-25 V15.1.1
Safety Standards CE: EN IEC 62311:2020 / RCM: AS/NZS 62368.1:2022 / CB: EN IEC 62368-1:2020 + A11:2020
Management & Monitoring Compatible with Teltonika RMS for remote management, monitoring and firmware updates
Compatibility Raspberry Pi 4 Model B and Raspberry Pi 5 (with standard HAT layout)
Typical Applications CCTV & ANPR sites, environmental monitoring, SCADA nodes, POS failover WAN, smart cabinet control, pop-up connectivity points

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