MU921 UHF Integrated Module
Chip: high performance chip
Antenna: 1.5dbi ceramic circular antenna
Reading distance: up to 50cm
Support max 100pcs/s reading speed
MU921 SENIOR
UHF Integrated Module
1. Parameters
|
Model |
MU921 |
|
Frequency |
CN SRRC-MII 920-925MHZ,840-845MHZ / EU ETSI 865.6—867.6MHZ / US FCC 902-928MHZ / OTHER 865-869MHZ / customizable |
|
Protocol |
ISO18000-6C (EPC GEN2) |
|
Chip |
High performance chip |
|
RF output |
Independent read and write mode 3-20dBm, step 1dB, power adjustment accuracy ±0.2dB |
|
Antenna |
Circular 1.5dBi ceramic antenna |
|
Sensitivity |
Module receiving sensitivity；15dBm transmit power -79dBm; 20dBm transmit power -77dBm; |
|
Reading speed |
>100 pcs/s （depend on tag and environment ） |
|
Reading distance |
Not less than 50cm（depend on tag and environment ） |
|
Tag RSSI |
support |
|
Online upgrade |
Support Firmware online upgrade |
|
Operating Voltage |
4.0-5.5V |
|
Working mode power consumption |
<0.8W （Typical value, At maximum transmit power ） |
|
Standby mode power consumption |
0.25W （idle wait state ） |
|
Sleep mode power consumption |
0.05W （Sleep power saving ） |
|
logic level |
VIL -0.5 –0.8V ；VIH +2 —3.3V |
|
Communication Interface |
TTL Uart interface, baud rate 115200bps |
|
Operating temperature |
-40℃--+70℃ |
|
storage temperature |
-40℃--+85℃ |
|
Working humidity |
<95% (25℃) |
|
Heat dissipation method |
External cooling |
|
Module specifications and dimensions |
40x40x9.75mm(length*width*height) |
2. Pin definition
|
Pin |
Definition |
illustrate |
|
1 |
GND |
land |
|
2 |
EN |
Enable pin, internally pulled up; low level to enable; |
|
3 |
TXD |
Module serial communication data output terminal |
|
4 |
RXD |
Module serial communication data input terminal |
|
5 |
VCC |
Power supply (+5V) |
3. Size
4. Interface board：Module + cable + RS232 interface board
5. SENIOR series
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MU910-M single channel Distance: 0~15m Reading speed 300pcs/s Size 30*25*4mm |
MU912 single channel Distance: 0~15m Reading speed 300pcs/s Size 57*36.8*7.3mm |
MU914 Four channel Distance: 0~15m Reading speed 300pcs/s Size 67*51.5*7.9mm |
MU918 Eight channel Distance: 0~15m Reading speed 300pcs/s Size 91*69.5*7.75mm |
6. Application scenario
