HAM TETRA TMO HAT SXceiver HAT Duplexer UHF 430-440MHz For Raspberry PI 3B/3B+/4B/Z32IT Open Source

Note: the Raspberry board is not included !

TETRA TMO HAT

SXceiver Full-Duplex Mini Transceiver Board

1.Designed and open-sourced by Z32IT, for amateur enthusiasts only.

2. Utilize the SX1255 RF transceiver chip. Not compatible with MMDVM HAT

Attention:

This board is a dedicated TETRA HAT, not an MMDVM HAT, and currently does not support pi star or WPSD

3. Supports open-source programs such as bluestation, flowstation (recommended), and nexus-bs. Compatible with TetraPack, talkgroups, and BM interconnection (BrandMeister).

4. Usage is limited to the amateur band of 430-440MHz, with a power output of 7dBm (5mW, 0.005W).

5. Ready-to-use with pre-burned programs, eliminating the need for self-EEPROM burning.

6. Supports Raspberry Pi 3B/3B+/4B/5B.

7. iPEX Gen 1 jumper cable. FPC or PCB antennas are not recommended, as they may cause RX/TX PLL loss of lock.

The TETRA technology employs time-division multiple access (TDMA), allocating four user channels within a single radio frequency band, with a 25 kHz spacing between each channel. This standard supports both point-to-point and point-to-multipoint transmission modes. Although the standard is limited to low-rate digital data transmission, other functionalities remain fully implemented.

Package including:

1pc hat board

2pc antenna

Note: the Raspberry board is not included !

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