Murata LB1VY Communication Module
Specifications
- Antenna Type Chain: Dual Monopole, Monopole, Slot
- Frequency: 2.4GHz/5GHz
- Antenna Gain:
- 2.4GHz: +0.93dBi to +1.98dBi
- 5GHz: +1.04dBi to +1.97dBi
Land Pattern TOP View (Recommended)
PIN Layout
Supply Voltage
| Type1VY_PIN_Na me | Min. | Typ. | Max. | unit |
| VDD_3P3 | 3.135 | 3.3 | 3.465 | V |
| SWREG_IN | 3.135 | 3.3 | 3.465 | V |
| VDD_FEM | 3.135 | 3.3 | 3.465 | V |
| VDDIO_GPIO * | 3.14
1.71 |
3.3
1.8 |
3.46
1.89 |
V |
| VDD_AO * | 3.14
1.71 |
3.3
1.8 |
3.46
1.89 |
V |
- VDD_3P3, SWREG_IN and VDD_FEM needs to supply a regulated voltage from host device.
- VDDIO_GPIO and VDDIO_AO don’t influence the RF characteristic.
Power Levels
(Per Antenna port)
|
mode |
Rate |
Channel |
MAXIMUM TUNE UP TOLERANCE [dBm] |
| IEEE 802.11b IEEE 802.11g
IEEE 802.11n (HT20) |
All Rate |
1~11 |
9.5 |
| IEEE 802.11a
IEEE 802.11n (HT20/40) IEEE 802.11ac (VHT20/40/80) |
All Rate |
(W52/W53) 36~64 (W56) 100~144 (W58) 149~165 |
9.5 |
| MAXIMUM TUNE UP | |
| Mode | TOLERANCE [dBm] |
| LE | 7.9 |
Theory of Operation
| Frequency of operation | Scan | Ad-hoc mode | ||
| 2.4GHz | 11b/g/n (HT20) | 2412-2462MHz | Active | Yes |
| W52 | 11a/n/ac ((V)HT20) | 5180-5240MHz | Active | Yes |
| 11n/ac ((V)HT40) | 5190-5230MHz | Active | Yes | |
| 11ac (VHT80) | 5210MHz | Active | Yes | |
| W53 | 11a/n/ac ((V)HT20) | 5260-5320MHz | Passive | No |
| 11n/ac ((V)HT40) | 5270-5310MHz | Passive | No | |
| 11ac (VHT80) | 5290MHz | Passive | No | |
| W56 | 11a/n/ac ((V)HT20) | 5500-5720MHz
(*ISED:5600-5650MHz disable) |
Passive | No |
| 11n/ac ((V)HT40) | 5510-5710MHz
(*ISED:5600-5650MHz disable) |
Passive | No | |
| 11ac (VHT80) | 5530-5690MHz
(*ISED:5600-5650MHz disable) |
Passive | No | |
| W58 | 11a/n/ac ((V)HT20) | 5745-5825MHz | Active | Yes |
| 11n/ac ((V)HT40) | 5755-5795MHz | Active | Yes | |
| 11ac (VHT80) | 5775MHz | Active | Yes | |
End users can not modify the software because F/W & driver are installed in device.
Antenna
- Please perform the antenna design that followed the specifications of the antenna.
- About the signal line between an antenna and a module
It is a 50-ohm line design.
Fine tuning of return loss etc. can be performed using a matching network. However, it is required to check “Class1 change” and “Class2 change” which the authorities define then.
The concrete contents of a check are the following three points.
- It is the same type as the antenna type of antenna specifications.
- An antenna gain is lower than a gain given in antenna specifications.
- The emission level is not getting worse.
Use the antenna below.
< Chain0 > (Main Antenna)
- Pattern on Board
- Part number: Antenna0 1VY DC1231
- Use the following design on your board to build your antenna.
Use the antenna below.
< Chain1> (Sub Antenna)
- Pattern on flexible substrate + RF cable (External antenna)
- Part number: Antenna1 1VY DC1231 (* including cable)
- Cables length : from 30 to 315mm are available.
Recommended constant
| P/N | Memo | Tuning 1 | Tuning 2 | Tuning 3 | Tuning 4 | Matching circuit | ||||||
| Shunt 1 | Series 1 | Shunt 2 | Series 2 | Shunt 3 | Series 3 | Shunt 4 | ||||||
| Antenna0 1VY DC1231 | Pattern Antenna | 0ohm | 0.3pF | None | None | 820ohm | 5.6ohm | 820ohm | 0ohm | None | 1.1nH | 0.2pF |
|
Antenna1 1VY DC1231 |
Sub Antenna
(Cable length = 30mm) |
4.7nH | 0.5pF | 0.1pF | 0.1pF | 1kohm | 4.7ohm | 1kohm | 0ohm | None | 1.0nH | 0.3pF |
| Sub Antenna
(Cable length = 315mm) |
4.7nH | 0.5pF | 0.1pF | 0.1pF | 680ohm | 6.8ohm | 680ohm | 0ohm | None | 1.0nH | 0.3pF | |
Copyright © Murata Manufacturing Co., Ltd. All rights reserved.
FAQ
- Q: Why might the antenna gain vary even if the model name is the same?
A: The antenna gain can be affected by factors such as installation location, cable loss, and surrounding environment. Even with the same model name, variations in these factors can lead to differences in antenna performance. - Q: How do I know which Antenna Type to use?
A: Refer to the specifications provided in the user manual to determine the appropriate Antenna Type based on your requirements and the compatibility with your host platform.
Documents / Resources
 | LB1VY Communication Module |
References
- User Manualmanual.tools