MMDVM hotspot FCC Certification

| marzo 19, 2021

MMDVM hotspot Manufacturer: Shenzhen Fengzhiya Culture Media Co., Ltd.

Address of A502, Huafeng Internet Creative Park, Xixiang Street, Baoan District, Shenzhen, China

Equipment Under Test (EUT)

  • Product Name: MMDVM hotspot
  • Model No.:MMDVM-01 – MMDVM-02
  • Trade Mark: N/A
  • Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.231
  • Date of sample receipt: 06, 2021
  • Date of Test: 06, 2021 – Mar. 11,2021
  • Date of report issued: 11,2021
  • Test Result :PASS *

MMDVM hotspot FCC Certification

MMDVM hotspot FCC Certification – General Description of EUT

Product Name: MMDVM hotspot
Model No.: MMDVM-01
Test Model: MMDVM-01
Hardware Version: HV01
Software Version: SV01
Test sample(s) ID: GTSL202103000085F01
Sample(s) Status Engineered sample
Operation Frequency: 431.55-439.55MHz
Channel numbers: 5
Modulation type: ASK
Antenna Type: External antenna
Antenna gain: 2.5dBi(declare by applicant)
Power supply: DC 5V


Operation Frequency each of channel



1 431.550
2 433.050
3 433.150
4 433.550
5 439.550

Shenzhen Fengzhiya Culture Media Co., Ltd.

MMDVM hotspot FCC Certification – Model Difference

Product Name: MMDVM hotspot Model Number: mmdvm-01, mmdvm-02

All the models are the same circuit and RF module, except the model names and outlook color.


MMDVM (Multi-Mode Digital Voice Modem) Manual

When you first time to use mmdvm hotspot, it will not work and display nothing. You need to set for OLED, ttyAMA0,G4KLX at MMDVM dispaly type and apply changes.

Then set for STM32-DVM/MMDVM_HS-Raspberry Pi Hat (GPIO) at modem type and apply changes. OLED will display after these setting. More detail setting, please do as this user guide.

MMDVM hotspot user manual

How to set hotspot to Simplex mode and work.

Use the otg port, Connect to Internet. Then Goto http://pi-star/

username: pi-star, password: raspberry

MMDVM hotspot user guide

MMDVM hotspot user guide

General Configuration

MMDVM hotspot user guide

After all the setting, the mmdvm hotspot will work normally.

FCC Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

— Reorient or relocate the receiving antenna.

— Increase the separation between the equipment and receiver.

— Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

— Consult the dealer or an experienced radio/TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

BUY MMDVM Hotspot US $73.04

Assembled Duplex MMDVM Hotspot BUY MMDVM Hotspot US $73.04

About the Author:

Filed in: CHINA Radio

Comments are closed.