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Embedded Cellular Raspberry Pi HAT+
CALYX embedded Raspberry Pi HAT+ is purpose-built to provide seamless mobile internet to your embedded systems. Available in three variants – 4G Cat 4, 5G Redcap, and full-fledged 5G – CALYX provides cellular connection to your Raspberry Pi 4 or 5 wherever Wi-Fi or Ethernet are unavailable or unreliable.
CALYX mounts directly on top of your SBC computer, saving space and ensuring clean integration. Equipped with features like GPIO modem control and PCM audio support, CALYX offers compact and feature-rich cellular expansion for integrators and developers.
- Mobile module 4G LTE-FDD (Cat 4) – 75Mbps DL, 50Mbps UL; LTE-TDD (Cat 4) – 65Mbps DL, 35Mbps UL; DC-HSPA+ – 42Mbps DL, 5.76Mbps UL; 3G – 384 kbps DL, 384 kbps UL, 2G – 236.8 kbps DL, 236.8 kbps UL, 2G GPRS – 85.6 kbps DL, 85.6 kbps UL
- 3GPP Release Release 9
- Mobile module 5G Sub-6Ghz SA/NSA 2.4/3.4Gbps DL (4×4 MIMO), 900/550 Mbps UL (2×2); 4G LTE Cat 19 up to 1.6 Gbps DL/ 200 Mbps UL; 3G up to 42 DL/ 5.76 UL Mbps
- 3GPP Release Release 16
- Mobile module 5G Sub-6Ghz SA 223 Mbps DL/123 Mbps UL; 4G LTE (Cat 4) up to 195 Mbps DL/105 Mbps UL
- 3GPP Release Release 17
- Data rate USB 2.0 – Calyx 4G / EBD021; Calyx 5G Red Cap / EBD070
- USB 3.0 – Calyx 5G / EBD050 40-pin GPIO header
- PWR_KEY Modem turn on/off. Digital Input, 0 – 3.3 V logic level, active High, to activate use pulse (≥500 ms)
- Digital Input, 0 – 3.3 V logic level, active High – Calyx 4G / EBD021;
- Digital Input, 0 – 3.3 V logic level, active Low – Calyx 5G / EBD050; Calyx 5G Red Cap / EBD070
- Modem reset Resets the modem. Digital Input, 0 – 3.3 V logic level, active High
- USB type C 5 VDC
- 40-pin GPIO header On a 40-pin header, 5 VDC and 3.3 VDC
- Status LEDs 1 x Power, NET IND, NET STAT
- SIM 1 x SIM slot (Nano SIM – 4FF), push-pull
- Power On a 40-pin header/USB power
- USB USB Type-C receptacle
Calyx 4G / EBD021; Calyx 5G Red Cap / EBD070
- Antennas 2 x SMA for Mobile
- Antennas 4 x SMA for Mobile
- Weight 57 g
- Mounting options WIth included mounting kit
- Dimensions (W x H x D) 56 x 23.11 x 95.48 mm
- Dimensions (W x H x D) 56 x 23.11 x 100.8 mm
- Operating temperature -40 °C to 75 °C









