Public network Tianyi intercom Mobile Phone Intercom digital intercom module

Public network Tianyi intercom Mobile Phone Intercom digital intercom module

The module is a digital intercom module adopting DMR standard, which supports simplex voice and confirmed / unconfirmed data short message communication. This module has built-in high-performance RF transceiver chip, RF power amplifier and DMR digital intercom chip. External MCU can set the working parameters of the module and control the working state of the module through standard asynchronous serial communication. The module only needs external antenna, microphone and voice power amplifier to form a complete DMR digital walkie talkie.

Application fields: three defense mobile intercom, miniaturized digital intercom, mobile digital intercom system, building community security system

. outdoor sports products.

characteristic:

1. Frequency range: 350-390mhz / 400 ~ 470MHz

2. Frequency interval: 12.5khz

3. RF output power: high power 2W, low power 0.5W

4. Power supply voltage: 3.7V ~ 4.2V

5. High receiving sensitivity: - 120dbm

6. Support write frequency

7. Support DMR protocol and be compatible with traditional analog intercom mode

8. The following services are supported in DMR mode:

1) Support group call, individual call and all call

2) Support confirmation, non confirmation SMS communication and status SMS

3) Support calling / called detection

4) Support call prompt

5) Support remote monitoring

6) Support emergency alarm

7) Support remote kill / activation

8) Support voice encryption

9) Support voice and SMS applications in direct and relay mode

The following services are supported in analog intercom mode

1) Support CTCSS / cdcss sub tone squelch

2) Support listening

Module size: 23.9mm × 39.5mmx3.8mm