Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) - JetWave 4020 Endüstriyel Çift Bantlı Çift Radyo 802.11ac Kablosuz AP Çift Bantlı Çiftli Radyolar, 2.4G 802.11n + 5.8G 802.11ac Dalga 1, isteğe bağlı 3. Radyo 1.16Gbps'ye kadar eşzamanlı performans Dahili Çift bant 9 / 10dBi 4T4R MIMO Anten Hem Tavan / Duvara montaj kurulumu Harici anten için N-Tipi Konektör (4020E) Çift M12 Gigabit Ethernet Köprüleme veya NAT Yönlendirme Denetleyicisi tabanlı AP yönetimi ve 100ms Süper Dolaşım, SNMPv1 / v2c / v3, Tuzak, NMS WPA / WPA2 Güvenliği için LLDP & VPN / IPSec Bağlantısı IP67 Su geçirmez, -40 ~ 70 ℃ çalışma sıcaklığı, EN50121-4 EMC koruması M12 24V / 110VDC Yapılandırma geri yüklemesi için M12 USB Güç Girişi

Category: Endüstriyel Outdoor Access Point

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) - JetWave 4020

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020 Endüstriyel Çift Bantlı Çift Radyo 802.11ac Kablosuz AP Çift Bantlı Çiftli Radyolar, 2.4G 802.11n + 5.8G 802.11ac Dalga 1, isteğe bağlı 3. Radyo 1.16Gbps’ye kadar eşzamanlı performans Dahili Çift bant 9 / 10dBi 4T4R MIMO Anten Hem Tavan / Duvara montaj kurulumu Harici anten için N-Tipi Konektör (4020E) Çift M12 Gigabit Ethernet Köprüleme veya NAT Yönlendirme Denetleyicisi tabanlı AP yönetimi ve 100ms Süper Dolaşım, SNMPv1 / v2c / v3, Tuzak, NMS WPA / WPA2 Güvenliği için LLDP & VPN / IPSec Bağlantısı IP67 Su geçirmez, -40 ~ 70 ℃ çalışma sıcaklığı, EN50121-4 EMC koruması M12 24V / 110VDC Yapılandırma geri yüklemesi için M12 USB Güç Girişi

Özellikleri

Sektör lideri 802.11ac WIFI performansı
Çift Bant Çift Radyo, 2.4G 802.11n + 5.11ac Dalga 1, 3. Radyo seçeneği ile
1,16Gbps’ye kadar eşzamanlı performans
Hem Tavan / Duvara montaj kurulumu için Dahili Çift bant 9 / 10dBi 4T4R MIMO Anten
Harici anten için N-Tipi Konnektör (4020E)
Çift M12 Gigabit Ethernet Köprüleme veya NAT Yönlendirme
Denetleyici tabanlı AP yönetimi ve 100 ms Süper Dolaşım, SNMPv1 / v2c / v3, Tuzak, NMS için LLDP
WPA / WPA2 Güvenliği ve VPN / IPSec Bağlantısı
IP67 Su geçirmez, -40 ~ 70 ℃ çalışma sıcaklığı, EN50121-4 EMC koruması
M12 24V / 110VDC Güç Girişi
Konfigürasyonu geri yüklemek için M12 USB

JetWave 4020.2

JetWave 4020

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020

Sektör lideri 802.11ac WIFI performansı
Çift Bant Çift Radyo, 2.4G 802.11n + 5.11ac Dalga 1, 3. Radyo seçeneği ile
1,16Gbps’ye kadar eşzamanlı performans
Hem Tavan / Duvara montaj kurulumu için Dahili Çift bant 9 / 10dBi 4T4R MIMO Anten
Harici anten için N-Tipi Konnektör (4020E)
Çift M12 Gigabit Ethernet Köprüleme veya NAT Yönlendirme
Denetleyici tabanlı AP yönetimi ve 100 ms Süper Dolaşım, SNMPv1 / v2c / v3, Tuzak, NMS için LLDP
WPA / WPA2 Güvenliği ve VPN / IPSec Bağlantısı
IP67 Su geçirmez, -40 ~ 70 ℃ çalışma sıcaklığı, EN50121-4 EMC koruması
M12 24V / 110VDC Güç Girişi
Konfigürasyonu geri yüklemek için M12 USB

Technology
Standard	IEEE 802.3 for 10BaseT, IEEE 802.3u for 10/100Base-TX, IEEE 802.3ab for 1000BaseT IEEE 802.11n/g Wireless LAN IEEE 802.11ac Wave 1 Wireless LAN IEEE 802.11i Wireless Security Highest Data Rate: 2.4G IEEE 802.11n: 300Mbps @ 40MHz 5G IEEE 802.11ac: 866Mbps @ 80MHz
Interface
Ethernet Port	1x 10/100/1000Base-T(X) WAN 1x 10/100/1000Base-T(X) LAN M12 X-code Connector
WIFI	IEEE802.11n 2.4G Band, 2T2R MIMO IEEE802.11ac 5G Band, 2T2R MIMO
USB + Console	USB + RS-232 Diagnostic Console, M12 A-code Connector
Power Input	2x 24VDC (±15%) Power Input, M12 A-code Connector *2x 110V(±15%) by option
WIFI
Chipset	Qualcomm Atheros Processor and 802.11ac WIFI Chipset
Capability	5G IEEE 802.11ac Wave 1 + 2.4G IEEE 802.11n 5G: IEEE 802.11ac 2T2R MIMO, up to 866Mbps PHY Rate, 20-/40-/80-MHz Channels 2.4G: IEEE 802.11n 2T2R MIMO, up to 300Mbps PHY Rate, 20-/40-/80-MHz Channels Dual Radio Concurrent Design, up to 1.16Gbps PHY Rate
MIMO	5G: IEEE 801.11ac 2T2R MIMO 2.4G: IEEE 801.11n 2T2R MIMO
RF Modulation	802.11ac, 802.11g/n: OFDM (BPSK,QPSK,16-QAM,64QAM; 256QAM@11ac)
Operating Frequency	5GHz Typical Band: (802.11ac WIFI) CE: 5.170~5.250GHz, 5.500~5.700GHz, Support Dynamic Frequency Selection (DFS) FCC: 5.170~5.250GHz, 5.740~5.825GHz (Programmable for other 5G Band) 2.4GHz Band: (802.11n WIFI) 2.412~2.472GHz (Programmable for different country regulations)
RF Output Power	5.8GHz Band: 27dB EIRP for ETSI 301 893 (Band 3) Certificated for use with up to 10dBi anntenna gain 2.4GHz Band: 20dB EIRP for CE (ETSI 300 328) Certificated for use with up to 9dBi anntenna gain (Controllable for different country regulations, check user manual for detail)
RF Sensitivity (1st Radio, 2.4G Band)	802.11b: -86dBm@11M 1Rx 802.11g: -85dBm@6M 1Rx, -72dBm@54M 1Rx 802.11n HT20: -85dBm@6.5M 1Rx, -68dBm@65M 1Rx 802.11n HT40: -82dBm@13.5M 1Rx, -65dBm@135M 1Rx (Added 3dBm@2Rx in average, ±2 dBm tolerance)
RF Sensitivity (2nd Radio, 5G Band)	802.11a: -75dBm@54M 1Rx, -86dBm@6M 1Rx 802.11n/ac HT20: -67dBm@MCS8 1Rx, -90dBm@MCS0 1Rx 802.11n/ac HT40: -64dBm@MCS9 1Rx, -87dBm@MCS0 1Rx 802.11n/ac HT80: -60dBm@MCS9 1Rx, -84dBm@MCS0 1Rx (Added 3dBm@2Rx in average, ±2 dBm tolerance)
Attached Antenna	Embedded Wall/Ceiling-mount 180∘ 2.4G 2T2R + 5G 2T2R bands antenna with a reflector plate. Radio Pattern 1/2: 2400-2500MHz Frequency, 9dBi peak gain Radio Pattern 3/4: 5150-5350MHz: 10dBi peak gain, 5475-5874MHz: 8dBi peak gain VSWR: 2.5:1 Range from 150m ~300m depends on the location, check the manual for detail.
Transmission Rate	802.11a/g: 6, 9, 12, 18, 24, 36, 48 and 54 Mbps 802.11b: 1,2,5.5,11Mbps 802.11n: 6.5 to 300Mbps (Multiple Rates, depends on MCS Index and Ground Interval) 802.11ac: 6.5 to 866Mbps (Multiple Rates, depends on MCS Index and Ground Interval)

Management
Management	Web GUI, Telnet, SNMP, IP Setup, Management VLAN ID, Configuration Backup/Restore, Firmware Upgrade, Reload Default, Ping, SNTP, USB Storage
WLAN Setup	Operation Mode: Wireless AP/Client, WDS-AP/Client Wireless Setting: Radio on/off, SSID Configuration, Security Settings, Output Power, Data Rate, Frequency/ Channel selection, Traffic Shapping, Maximum Client Number, WMM QoS Link Test: Site Survey, Antenna Alignment Tool, Data Rate Test
Wire/Wireless Integration	Ethernet Port and WLAN Link Fault Pass-Through Spanning Tree Protocol, Link Layer Discovery Protocol
Router/Gateway	Operating Mode: Bridge or Router mode for the Ethernet/Wireless Interface NAT, Hardware-based NAT Routing, DHCP Server/Client
SNMP	Simple Network Management Protocol v1/v2c/v3, SNMP Trap Function-based MIB (Same as other Korenix Wireless AP)
Status & Log	System Information, ARP Table, DHCP Client List, System Event Log
Controller-based AP	Controller-based management by Korenix IWLAN Controller
Utility/NMS	Support Korenix View Utility, Korenix NMS
Security
Secured Access	HTTPS, SSH, IEEE 802.1X, Radius Server
WLAN Security	Multiple SSID(up to 8x SSID), VLAN ID, SSID Broadcast
Security Encryption	WEP 64/128bits, WPA-PSK(TKIP), WPA2-PSK/EAP(TKIP, AES, IEEE 802.1x/Radius)
Firewall	Inbound/Outbound Firewall Setting, DMZ, Port forwarding
VPN	Open VPN, IPSec
Power Requirement
Power	JetWave 4020/4020E: Dual DC 24V input or Passive 24V PoE on GT1, Accepted Input Range: ±15% JetWave 4020-HV: Dual DC 110V input, Accepted Input Range: ±15% (*Optional selection by project, check with Korenix Sales.)
Power Consumption	Standby Mode: 4.4W/24V, 5.5W/110V (Power on only) Full Load: Max. 9.6W/24V, 8.8W/110V Suggest to reserve 15% tolerance power in practical installation.
Mechanical
Enclosure	IP67 Aluminum Body + Plastic (SABIC) Cover
External Antenna	JetWave 4020: N.A. (Protected by cap.) JetWave 4020E: 4x N-Type Sockets
Vent	Vent for heat dispersing
Mounting	Pole-mount, Wall-mount or Ceiling Mount *Equipped with Mounting kit in shipment
Dimension	236.8mm(H) x 266.8mm(D) x 91.5mm(W)
Weight	4Kg with package
Environmental
Operating Temperature	-40 ~ 70℃
Operating Humidity	5% ~ 95% (operating)
Storage Temperature	-40 ~ 85 ℃
Approvals
Certification	R&TTE: CE EN55022/55024 EN 50121-1/EN50121-4:2006 +AC;2008 EN 301 489-1 V1.9.2/-17 V2.2.1(WLAN) EN 301 893 V1.8.1 (5G 802.11ac WIFI and DFS) EN 300 328 V1.9.1(2.4G WIFI) EN 62311:2008 (2412~2472MHz, 5180-5240MHz, 5500-5700MHz) Safety EN60950-1 FCC Part 15 C/E (2.4G/5G) for FCC model
Warranty	3 years

DS_JetWave4020_V1.0d

JetWave 4020	JetWave 4020 Industrial Dual Band Dual Radio 802.11ac Wireless AP, Embedded Antenna, 24V input
JetWave 4020E	JetWave 4020E Industrial Dual Band Dual Radio 802.11ac Wireless AP, External N-Type Ant., 24V input

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020

Özellikleri

Endüstriyel Kablosuz Çift Band Access Point (Dual Radio 802.11ac) – JetWave 4020

Technology

Standard

IEEE 802.3 for 10BaseT, IEEE 802.3u for 10/100Base-TX, IEEE 802.3ab for 1000BaseT IEEE 802.11n/g Wireless LAN IEEE 802.11ac Wave 1 Wireless LAN IEEE 802.11i Wireless Security Highest Data Rate: 2.4G IEEE 802.11n: 300Mbps @ 40MHz 5G IEEE 802.11ac: 866Mbps @ 80MHz

Interface

Ethernet Port

1x 10/100/1000Base-T(X) WAN 1x 10/100/1000Base-T(X) LAN M12 X-code Connector

WIFI

IEEE802.11n 2.4G Band, 2T2R MIMO IEEE802.11ac 5G Band, 2T2R MIMO

USB + Console

USB + RS-232 Diagnostic Console, M12 A-code Connector

Power Input

2x 24VDC (±15%) Power Input, M12 A-code Connector *2x 110V(±15%) by option

WIFI

Chipset

Qualcomm Atheros Processor and 802.11ac WIFI Chipset

Capability

5G IEEE 802.11ac Wave 1 + 2.4G IEEE 802.11n 5G: IEEE 802.11ac 2T2R MIMO, up to 866Mbps PHY Rate, 20-/40-/80-MHz Channels 2.4G: IEEE 802.11n 2T2R MIMO, up to 300Mbps PHY Rate, 20-/40-/80-MHz Channels Dual Radio Concurrent Design, up to 1.16Gbps PHY Rate

MIMO

5G: IEEE 801.11ac 2T2R MIMO 2.4G: IEEE 801.11n 2T2R MIMO

RF Modulation

802.11ac, 802.11g/n: OFDM (BPSK,QPSK,16-QAM,64QAM; 256QAM@11ac)

Operating Frequency

5GHz Typical Band: (802.11ac WIFI) CE: 5.170~5.250GHz, 5.500~5.700GHz, Support Dynamic Frequency Selection (DFS) FCC: 5.170~5.250GHz, 5.740~5.825GHz (Programmable for other 5G Band) 2.4GHz Band: (802.11n WIFI) 2.412~2.472GHz (Programmable for different country regulations)

RF Output Power

5.8GHz Band: 27dB EIRP for ETSI 301 893 (Band 3) Certificated for use with up to 10dBi anntenna gain 2.4GHz Band: 20dB EIRP for CE (ETSI 300 328) Certificated for use with up to 9dBi anntenna gain (Controllable for different country regulations, check user manual for detail)

RF Sensitivity (1st Radio, 2.4G Band)

802.11b: -86dBm@11M 1Rx 802.11g: -85dBm@6M 1Rx, -72dBm@54M 1Rx 802.11n HT20: -85dBm@6.5M 1Rx, -68dBm@65M 1Rx 802.11n HT40: -82dBm@13.5M 1Rx, -65dBm@135M 1Rx (Added 3dBm@2Rx in average, ±2 dBm tolerance)

RF Sensitivity (2nd Radio, 5G Band)

802.11a: -75dBm@54M 1Rx, -86dBm@6M 1Rx 802.11n/ac HT20: -67dBm@MCS8 1Rx, -90dBm@MCS0 1Rx 802.11n/ac HT40: -64dBm@MCS9 1Rx, -87dBm@MCS0 1Rx 802.11n/ac HT80: -60dBm@MCS9 1Rx, -84dBm@MCS0 1Rx (Added 3dBm@2Rx in average, ±2 dBm tolerance)

Attached Antenna

Transmission Rate

802.11a/g: 6, 9, 12, 18, 24, 36, 48 and 54 Mbps 802.11b: 1,2,5.5,11Mbps 802.11n: 6.5 to 300Mbps (Multiple Rates, depends on MCS Index and Ground Interval) 802.11ac: 6.5 to 866Mbps (Multiple Rates, depends on MCS Index and Ground Interval)

Management

Management

Web GUI, Telnet, SNMP, IP Setup, Management VLAN ID, Configuration Backup/Restore, Firmware Upgrade, Reload Default, Ping, SNTP, USB Storage

WLAN Setup

Operation Mode: Wireless AP/Client, WDS-AP/Client Wireless Setting: Radio on/off, SSID Configuration, Security Settings, Output Power, Data Rate, Frequency/ Channel selection, Traffic Shapping, Maximum Client Number, WMM QoS Link Test: Site Survey, Antenna Alignment Tool, Data Rate Test

Wire/Wireless Integration

Ethernet Port and WLAN Link Fault Pass-Through Spanning Tree Protocol, Link Layer Discovery Protocol

Router/Gateway

Operating Mode: Bridge or Router mode for the Ethernet/Wireless Interface NAT, Hardware-based NAT Routing, DHCP Server/Client

SNMP

Simple Network Management Protocol v1/v2c/v3, SNMP Trap Function-based MIB (Same as other Korenix Wireless AP)

Status & Log

System Information, ARP Table, DHCP Client List, System Event Log

Controller-based AP

Controller-based management by Korenix IWLAN Controller

Utility/NMS

Support Korenix View Utility, Korenix NMS

Security

Secured Access

HTTPS, SSH, IEEE 802.1X, Radius Server

WLAN Security

Multiple SSID(up to 8x SSID), VLAN ID, SSID Broadcast

Security Encryption

WEP 64/128bits, WPA-PSK(TKIP), WPA2-PSK/EAP(TKIP, AES, IEEE 802.1x/Radius)

Firewall

Inbound/Outbound Firewall Setting, DMZ, Port forwarding

VPN

Open VPN, IPSec

Power Requirement

Power

JetWave 4020/4020E: Dual DC 24V input or Passive 24V PoE on GT1, Accepted Input Range: ±15% JetWave 4020-HV: Dual DC 110V input, Accepted Input Range: ±15% (*Optional selection by project, check with Korenix Sales.)

Power Consumption

Standby Mode: 4.4W/24V, 5.5W/110V (Power on only) Full Load: Max. 9.6W/24V, 8.8W/110V Suggest to reserve 15% tolerance power in practical installation.

Mechanical

Enclosure

IP67 Aluminum Body + Plastic (SABIC) Cover

External Antenna

JetWave 4020: N.A. (Protected by cap.) JetWave 4020E: 4x N-Type Sockets

Vent

Vent for heat dispersing

Mounting

Pole-mount, Wall-mount or Ceiling Mount *Equipped with Mounting kit in shipment

Dimension

236.8mm(H) x 266.8mm(D) x 91.5mm(W)

IEEE 802.3 for 10BaseT, IEEE 802.3u for 10/100Base-TX, IEEE 802.3ab for 1000BaseT
IEEE 802.11n/g Wireless LAN
IEEE 802.11ac Wave 1 Wireless LAN
IEEE 802.11i Wireless Security
Highest Data Rate:
2.4G IEEE 802.11n: 300Mbps @ 40MHz
5G IEEE 802.11ac: 866Mbps @ 80MHz

1x 10/100/1000Base-T(X) WAN
1x 10/100/1000Base-T(X) LAN
M12 X-code Connector

IEEE802.11n 2.4G Band, 2T2R MIMO
IEEE802.11ac 5G Band, 2T2R MIMO

2x 24VDC (±15%) Power Input, M12 A-code Connector
*2x 110V(±15%) by option

5G IEEE 802.11ac Wave 1 + 2.4G IEEE 802.11n
5G: IEEE 802.11ac 2T2R MIMO, up to 866Mbps PHY Rate, 20-/40-/80-MHz Channels
2.4G: IEEE 802.11n 2T2R MIMO, up to 300Mbps PHY Rate, 20-/40-/80-MHz Channels
Dual Radio Concurrent Design, up to 1.16Gbps PHY Rate

5G: IEEE 801.11ac 2T2R MIMO
2.4G: IEEE 801.11n 2T2R MIMO

5GHz Typical Band: (802.11ac WIFI)
CE: 5.170~5.250GHz, 5.500~5.700GHz, Support Dynamic Frequency Selection (DFS)
FCC: 5.170~5.250GHz, 5.740~5.825GHz
(Programmable for other 5G Band)
2.4GHz Band: (802.11n WIFI)
2.412~2.472GHz
(Programmable for different country regulations)

5.8GHz Band:
27dB EIRP for ETSI 301 893 (Band 3)
Certificated for use with up to 10dBi anntenna gain
2.4GHz Band:
20dB EIRP for CE (ETSI 300 328)
Certificated for use with up to 9dBi anntenna gain
(Controllable for different country regulations, check user manual for detail)

RF Sensitivity
(1st Radio, 2.4G Band)

802.11b: -86dBm@11M 1Rx
802.11g: -85dBm@6M 1Rx, -72dBm@54M 1Rx
802.11n HT20: -85dBm@6.5M 1Rx, -68dBm@65M 1Rx
802.11n HT40: -82dBm@13.5M 1Rx, -65dBm@135M 1Rx
(Added 3dBm@2Rx in average, ±2 dBm tolerance)

RF Sensitivity
(2nd Radio, 5G Band)

802.11a: -75dBm@54M 1Rx, -86dBm@6M 1Rx
802.11n/ac HT20: -67dBm@MCS8 1Rx, -90dBm@MCS0 1Rx
802.11n/ac HT40: -64dBm@MCS9 1Rx, -87dBm@MCS0 1Rx
802.11n/ac HT80: -60dBm@MCS9 1Rx, -84dBm@MCS0 1Rx
(Added 3dBm@2Rx in average, ±2 dBm tolerance)

802.11a/g: 6, 9, 12, 18, 24, 36, 48 and 54 Mbps
802.11b: 1,2,5.5,11Mbps
802.11n: 6.5 to 300Mbps (Multiple Rates, depends on MCS Index and Ground Interval)
802.11ac: 6.5 to 866Mbps (Multiple Rates, depends on MCS Index and Ground Interval)

Web GUI, Telnet, SNMP, IP Setup, Management VLAN ID, Configuration Backup/Restore,
Firmware Upgrade, Reload Default, Ping, SNTP, USB Storage

Operation Mode: Wireless AP/Client, WDS-AP/Client
Wireless Setting: Radio on/off, SSID Configuration, Security Settings, Output Power, Data
Rate, Frequency/ Channel selection, Traffic Shapping, Maximum Client Number, WMM QoS
Link Test: Site Survey, Antenna Alignment Tool, Data Rate Test

Ethernet Port and WLAN Link Fault Pass-Through
Spanning Tree Protocol, Link Layer Discovery Protocol

Operating Mode: Bridge or Router mode for the Ethernet/Wireless Interface
NAT, Hardware-based NAT Routing, DHCP Server/Client

Simple Network Management Protocol v1/v2c/v3, SNMP Trap
Function-based MIB (Same as other Korenix Wireless AP)

JetWave 4020/4020E: Dual DC 24V input or Passive 24V PoE on GT1, Accepted Input Range:
±15%
JetWave 4020-HV: Dual DC 110V input, Accepted Input Range: ±15% (*Optional selection
by project, check with Korenix Sales.)

Standby Mode: 4.4W/24V, 5.5W/110V (Power on only)
Full Load: Max. 9.6W/24V, 8.8W/110V
Suggest to reserve 15% tolerance power in practical installation.

IP67
Aluminum Body + Plastic (SABIC) Cover

JetWave 4020: N.A. (Protected by cap.)
JetWave 4020E: 4x N-Type Sockets

Pole-mount, Wall-mount or Ceiling Mount
*Equipped with Mounting kit in shipment

R&TTE:
CE EN55022/55024
EN 50121-1/EN50121-4:2006 +AC;2008
EN 301 489-1 V1.9.2/-17 V2.2.1(WLAN)
EN 301 893 V1.8.1 (5G 802.11ac WIFI and DFS)
EN 300 328 V1.9.1(2.4G WIFI)
EN 62311:2008 (2412~2472MHz, 5180-5240MHz, 5500-5700MHz)
Safety EN60950-1
FCC Part 15 C/E (2.4G/5G) for FCC model

JetWave 4020 Industrial Dual Band Dual Radio 802.11ac Wireless AP, Embedded Antenna,
24V input

JetWave 4020E Industrial Dual Band Dual Radio 802.11ac Wireless AP, External N-Type
Ant., 24V input