Product Overview
The Teltonika Calyx EBD021 is an industrial 4G/LTE expansion module in the Raspberry Pi HAT+ form factor. It is specifically designed for seamless integration with Raspberry Pi 4 and Raspberry Pi 5, providing reliable cellular connectivity for professional IoT and embedded applications.
By mounting directly onto the 40-pin GPIO header, the module enables a compact and robust system design without the need for external USB modems or additional adapters. The LTE modem supports 4G LTE Cat 4 with fallback to 3G and 2G networks, ensuring reliable connectivity even in areas with limited network coverage.
Technical Features
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Cellular standard: 4G LTE Cat 4 with 3G / 2G fallback
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Maximum data rate: up to approx. 75 Mbps downlink and 50 Mbps uplink
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Compatibility: Raspberry Pi 4 and Raspberry Pi 5
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Interfaces: GPIO (40-pin), USB-C data interface
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SIM slot: 1 × Nano SIM
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Antenna connectors: 2 × SMA (main / diversity)
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Audio: PCM audio via GPIO
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Power supply: 5V / 3.3V via Raspberry Pi
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Operating temperature: −40 °C to +75 °C
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Dimensions: approx. 56 × 23 × 95 mm
Features
- Direct Raspberry Pi HAT+ integration
- GPIO modem control (wake, reset, power management)
- Industrial operating temperature range
- Compact design for embedded systems
- Designed for IoT and M2M communication
Applications
The Teltonika Calyx EBD021 is ideal for industrial IoT solutions, edge gateways, remote monitoring, smart city deployments, digital signage systems, and embedded projects where Ethernet or Wi-Fi connectivity is unavailable or unreliable.
Product safety information
Manufacturer information:
Teltonika Networks UAB
K. Barsausko Str. 66
Kaunas, Litauen, 51436
https://teltonika-iot-group.com/
