MDBT42T-PAT

Raytac's AT command module series comes with AT command firmware pre-programmed which helps developers enjoy a Design Saving & Time-To-Market journey.

For customers looking for Good form factor and Peripheral/Slave Solution may select 
MDBT42Q-AT deployed Chip Antenna and offers a excellent connectivity ability.
MDBT42Q-PAT deployed PCB Antenna and offers a good connectivity ability.

For customers looking for Small form factor and Peripheral/Slave Solution may select 
MDBT42T-AT deployed Chip Antenna and offers a excellent connectivity ability.
MDBT42T-PAT deployed PCB Antenna and offers a good connectivity ability.

For customers looking for Tiny form factor and Peripheral/Slave Solution may select 
MDBT42TV-AT deployed Chip Antenna and offers a excellent connectivity ability.
MDBT42TV-PAT deployed PCB Antenna and offers a good connectivity ability.

For customers looking for Central/Master Solution may select 
MDBT42Q-ATM deployed Chip Antenna and offers a excellent connectivity ability.
MDBT42Q-PATM deployed PCB Antenna and offers a good connectivity ability.

For customers looking for Central/Master + Peripheral/Slave Solution may select 
MDBT50Q-ATMS deployed Chip Antenna and offers a excellent connectivity ability.
MDBT50Q-PATMS deployed PCB Antenna and offers a good connectivity ability.

Testing & Debug Demo Board
Central/Master + Peripheral/Slave: MDBT50Q-DB-ATMS
Peripheral/Slave: MDBT42Q-AT-UART-S
Central/Master: MDBT42Q-AT-UART-M 

If you are looking for demo board for standard module WITHOUT AT command, please view MDBT42Q-DB for more information.
 

List of supported commands

• Setting of device name
• Choose data rate of 1Mbps or 2Mbps on-air
• Set TX output power in 5 levels
• Set advertising time
• Set connection interval under Mode 2
• Enable/disable advertising
• Set LED pattern indicating advertising or connecting status
• 7 sets of UART baud rates
• Enable/disable UART flow control
• Enable/disable interface of UART hardware
• Support 8 programmable output GPIO
• Power-down mode for power saving and GPIO wake-up
• Support DC-to-DC and LDO power mode
• Use internal or external 32.768KHz oscillator
• Recover-to-default setting with hardware and software method
• System reset of hardware and software
• Set serial number and retrieve
• Set or retrieve MAC Address
• Retrieve ADC value for battery detection
• Support maximum MTU 247bytes / data payload up to maximum 244 bytes

Specification：                                                                                    
[nRF52805] MDBT42T-AT & MDBT42T-PAT Spec (Ver.A)

Design Guide includes
MDBT42T & MDBT42T-P Footprint & Design Guide (210706)

• Footprint (compatible for Protel, Eagle, Altium Design)
• 2D/3D drawing
• Reflow/Solder Profile
• Spec for external 32.768KHz

RoHS & REACH Report：
2021 RoHS & REACH Report for MDBT42T & MDBT42T-P

Related Links：
•   Nordic 3rd Party Modules/Modems
(Raytac's modules are all qualified Nordic 3rd Party Bluetooth low energy module, please go following website for more detailed information.)