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Which Zigbee chip should I choose?
CC2652P
Rank: 1
CC2652P (48Mhz, 88Kb RAM) is the Top 1 on our list. Reliability has been tested over the years and by many users. CC2652* chips are fully supported in Zigbee2MQTT (EFR32 has an “experimental” support status), and are also fully supported in ZHA. That is, it is a universal coordinator for both ZHA and Zigbee2MQTT. Zigbee firmware supports up to 200 end devices. Even with the maximum number of Zigbee devices, the chip parameters (processor 48Mhz and 88Kb RAM) are not even close to the maximum, so there is no difference in speed compared to other chips in the series (CC2652P7: 48Mhz+152Kb RAM, CC2674P10: 48Mhz+264Kb RAM). So, CC2652P is #1.
CC2652P7
Rank: 2
The CC2652P7 (48Mhz + 152 Kb RAM) has the same processor (48Mhz) as the CC2652P chips, but a slightly larger amount of RAM – 152Kb (CC2652P: 88Kb). At the same time, neither the processor nor the memory is used even by 30% when the chip is operating in coordinator mode with the maximum possible number of connected end devices. Therefore, this chip is more of a marketing ploy. Our recommendation is to pay attention to CC2652P. It is cheaper, more reliable (because it has been tested by a large number of users), and supports +20dB of gain at the firmware level.
That is, If you like marketing gimmicks, the CC2652P7 is your choice.
The CC2652P7 chip is ranked #2 in our rating.
CC2674P10
Rank: 4
The CC2674P7 (48Mhz + 264Kb RAM) has the same processor (48Mhz) as the CC2652P and CC2652P7 chips, but a slightly larger amount of RAM – 264Kb (CC2652P: 88Kb, CC2652P: 152Kb,). At the same time, neither the processor nor the memory is used even by 30% when the chip is operating in coordinator mode with the maximum possible number of connected end devices. Therefore, this chip is more of a marketing ploy. In addition, the firmware for this chip is in test mode. As of February 2024, we recommend that you buy these coordinators at your own risk, or if you are a firmware developer and you need a test device on this chip. Our recommendation is to pay attention to the CC2652P. It is cheaper, more reliable (as it has been tested by a large number of users), and supports +20 dB of gain at the firmware level.
That is, if you like marketing gimmicks, CC2674P10 is your choice.
The CC2674P10 chip takes the 4th place in our rating.
EFR32MG21
Rank: 1
The EFR32MG21 (80Mhz + 96Kb RAM) does not differ significantly from the CC2652P chips in terms of technical characteristics. However, there are a few things that the user should know: (1) This chip is ideal for working with ZHA (since the native Home Assistant coordinator is built on the same chip), but it is listed in the “experimental” section for Zigbee2MQTT. In practice, these chips show more stable operation than CC26** in Zigbee coordinator mode. In addition, although both EFR32MG21 and CC2652P chips have a +20dB amplifier, EFR32 chips usually show higher LQI with end devices. We put this chip on the 1st place along with the CC2652P chip in our rating.
EFR32MG24
Rank: 3
EFR32MG24 (80Mhz + 256KbRAM) does not differ significantly from EFR32MG21 chip in terms of technical characteristics, except for the size of RAM: 256Kb versus 96Kb in EFR32MG21. The amount of RAM is at the level of the CC2674P10 chip. However, as in the case of the CC2674P10 chip, even with the maximum connection, the processor and RAM are not loaded to the maximum in EFR32MG21. So whether it makes sense to overpay for EFR32MG24 is a rhetorical question. Therefore, here we would say the same as with CC2652P7 and CC2674P10 – if you like marketing gimmicks, CC2674P10 is your choice. This chip takes the 3rd place in our rating.
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SLZB-06M EFR32MG21 Zigbee + POE + Ethernet + USB + WiFI
adapter! Limited quantity for this price is available!
THE NEW SLZB-07 ZIGBEE USB RELEASED 9.98$
SLZB-07 EFR32MG21 Zigbee + USB with 921 kbps serial speed!
Limited quantity for this price available!
SMLIGHT SLZB-06p7 – Important Product Announcement (for orders shipped in Feb’24)
To Our Valued Customers,
Some Customers experiance issues with pairing Zigbee end devices on SLZB-06p7 Zigbee coordinators. This is the case for coordinators shipped in February.
The root of this issue is improper Zigbee firmware flshed to the device on production (Zigbee2MQTT and ZHA starts, some devices connect, but for example end-zigbee devices based on cc2530 SoC does not connect). To solve this issue, you need to update Zigbee firmware once following these steps – link to the solving documentation. (we are working also on web-update for this particular issues so users will be able to make update in one click).
We encourage you to reach out to our support by following this link to support in case of any questions or if you are not able to follow the manual
We sincerely apologize for any inconvenience this may have caused. Thank you for your understanding and continued trust in SMLIGHT.
Sincerely,
SMLIGHT team
Kyiv, Ukraine, 02 March 2024
WORLDWIDE DELIVERY:
- Official store – click here
- Aliexpress 1 – click here
- Aliexpress 2 – click here
- Tindie – click here
LOCAL FAST DELIVERY:
- Australia – click here
- Austria – click here
- Belgium – click here
- Estonia – click here
- France – click here
- Germany – click here
- Latvia – click here
- Lithuania – click here
- Poland – click here
- Netherlands – click here
- Switzerland – click here
- UK – click here
- US – click here or here
- Thailand – click here