Product Specs

物联科技 选威士丹利
www.vensi.cn
第 2 页 共 14 页
II、 Overview of Intelligent Module Products
1 Product introduction
VZS2R1 is a ZigBee wireless communication intelligent module developed by
Westphalia, which supports ZigBee3.0. Adopting the highly integrated wireless RF processor
chip EFR32MG21A020 series of Silicon Labs, it has the advantages and characteristics of
high wireless transmission power, strong receiving sensitivity, low power consumption and
strong networking ability, which provides a perfect solution for ZigBee connection.
2 Technical parameters of products
technical parameter
parameter value
Chip model
EFR32MG21A020F512IM32-B
EFR32MG21A020F768IM32-B
master control
High performance 32-bit 80MHz ARM Cortex®-
M33
Flash
512kB / 768kB
RAM
64kB
Support agreement
ZigBee 3.0
Working frequency
2400 ~ 2480 MHz
Output power
Max：20dBm
receiving sensitivity
Max：-102.5dBm
modulation system
DSSS QPSK
operating voltage
2.0 V ~ 3.6 V
Sending current
Max：27mA（00dBm）
Max：63mA（10dBm）
Max：182mA（20dBm）
Receiving current
Max：10.91mA（250Kbps）
quiescent current
4.5mA (idle EM0)
6.2uA (sleep EM2)
Standard security
AES 128/256
Working temperature
-40℃ ~ +85℃
ambient humidity
10% ~ 90% no condensation.
Technical certification
FCC & CE & SRRC