MikroTik

MikroTik

 * https://mikrotik.com/
 * https://routerboard.com/
 * MikroTik/FCC ID
 * MikroTik/Hardware
 * MikroTik/SFP module compatibility table
 * Project:Network/Hardware Specific/MikroTik

RouterBOARD series

 * MikroTik RouterBOARD 333 (RB333) - PPage
 * Freescale Semiconductor MPC8321, 64/64MB


 * MikroTik RouterBOARD 600 (RB600) - PPage
 * Freescale MPC8343E @400MHz, 64/128MB


 * MikroTik RouterBOARD 800 (RB800) - PPage
 * Freescale MPC8544 @800MHz, 64/256MB (CW)


 * MikroTik RouterBOARD 1000 (RB1000) - PPage (PP)
 * Freescale MPC8548 @1333MHz, 64/512MB


 * MikroTik RouterBOARD 1100 (RB1100) - PPage (PP)
 * Freescale PowerPC CPU @800MHz, 2x Atheros AR8316 GbE, RAM: 512MB


 * MikroTik RouterBOARD 1100AH (RB1100AH) - PPage (PP)
 * Freescale P2010 @1066MHz, 2x Atheros AR8327, 13x GbE, RAM: 2GB


 * MikroTik RouterBOARD 1100AHx2 (RB1100AHx2) - PPage (PP)
 * Freescale P2020 2-cores @1.0GHz, 2x Atheros AR8327, 13x GbE, 128MB/2GB


 * MikroTik RouterBOARD 1100AHx4 (RB1100AHx4)	- PPage CPU: Annapurna Labs Alpine AL21400 @1.4GHz (4 cores)
 * Flash: 128MB, RAM: 1GB, Switch: 3x Realtek RTL8367SB (GbE), 3x GbE WAN, 10x GbE LAN, SATA 3.0, M.2, Micro SD Card slot


 * MikroTik RouterBOARD 1200 (RB1200) - PPage (PP) PowerPC PPC460GT @680MHz, 64/512MB, Atheros AR8316 GbE


 * MikroTik RouterBOARD 2011 (RB2011iL-IN) - Atheros AR9344 @600MHz CPU, 64MB RAM, RouterOS L4 • PPage
 * Atheros AR8327/AR8227 5x LAN GbE, 5x LAN FE, (PoE out on port 10), Desktop metal case, $99


 * MikroTik RouterBOARD 2011 (RB2011iL-RM) - Atheros AR9344 @600MHz CPU, 64MB RAM, RouterOS L4 • PPage
 * Atheros AR8327/AR8227, 5x LAN GbE, 5x LAN FE, (PoE out on port 10, 1x SFP), 1U rackmount, $99


 * MikroTik RouterBOARD 2011 (RB2011iLS-IN) - Atheros AR9344 @600MHz CPU, 64MB RAM, RouterOS L4 • PPage
 * Atheros AR8327/AR8227, 5x LAN GbE, 5x LAN FE, (PoE out on port 10), SFP cage, Desktop metal case, $109


 * MikroTik RouterBOARD 2011 (RB2011UiAS-IN) - Atheros AR9344 @600MHz CPU, 128MB RAM, RouterOS L5 • PPage
 * Atheros AR8327/AR8227, 5x LAN GbE, 5x LAN FE, (PoE out on port 10), USB 2.0, LCD, Desktop metal case, $119


 * MikroTik RouterBOARD 2011 (RB2011UiAS-RM) - Atheros AR9344 @600MHz CPU, 128MB RAM, RouterOS L5 • PPage
 * Atheros AR8327/AR8227, 5x LAN GbE, 5x LAN FE, (PoE out on port 10), USB 2.0, LCD, 1U rackmount, $119


 * MikroTik RouterBOARD 3011 (RB3011UiAS-RM) - Qualcomm IPQ8064 2x @1.4GHz CPU, 128MB/1GB RAM • PPage
 * 2x Qualcomm Atheros QCA8337, 10x GbE, (PoE out on port 10), USB 3.0, SFP, LCD, RouterOS L5, 1U rackmount, $179


 * MikroTik RouterBOARD 4011 (RB4011iGS+RM) (US) • FCC ID: TV74011GS-5HQ2HD (2018-08-02) • PPage
 * CPU: Annapurna Labs Alpine AL21400 @1.4GHz (4 cores), Flash: 512MB (NAND), RAM: 1GB, 24V/1.5A, $199
 * Switch: 2x Realtek RTL8367SB (GbE); 10x GbE LAN, SFP+ port, Mini PCIe, PoE 802.3af/at, Serial port (RJ45)


 * MikroTik RouterBOARD 4011 (RB4011iGS+5HacQ2HnD-IN) (US) • FCC ID: TV74011GS-5HQ2HD (2018-08-02) • PPage
 * CPU: Annapurna Labs Alpine AL21400 @1.4GHz (4 cores), Flash: 512MB (NAND), RAM: 1GB, 24V/2.5A, $249
 * Switch: 2x Realtek RTL8367SB (GbE); 10x GbE LAN, SFP+ port, 1x Mini PCIe, PoE 802.3af/at, Serial port (RJ45)
 * WLAN: MikroTik R11e-2HPnD (2.4GHz)/ MikroTik R11e-5HacD QCA QCA9984 (5GHz)


 * MikroTik RouterBOARD 850Gx2 (RB850Gx2) - Freescale P1023 2x @533MHz CPU, 512MB RAM • PPage
 * 5x GbE, Micro SD Card slot, RouterOS L5, $129


 * MikroTik RouterBOARD hEX v3 (RB750Gr3) - MediaTek MT7621A @880MHz, 16/256MB, $60 • PPage
 * MikroTik RouterBOARD 450Gx4 (RB450Gx4) - Qualcomm IPQ4019, 512MB/1GB, $99 • PPage

Device versions
MikroTik RouterBOARD 411
 * RB411L CPU: Atheros AR7130 @300MHz (32MB/64MB) - PPage
 * RB411R CPU: Atheros AR7130 @300MHz (32MB/802.11bg) - PPage
 * RB411U CPU: Atheros AR7130 @300MHz (32MB/USB 2.0/miniPCIe/SIM) - PPage
 * RB411AR CPU: Atheros AR7130 @300MHz (32MB/miniPCI/AR2417 (bg)) - PPage (FCC)
 * RB411AH CPU: Atheros AR7161 @680MHz (32MB/64MB/miniPCI/LAN) - PPage
 * RB411GL CPU: Atheros AR7161 @680MHz (32MB/64MB/miniPCI/LAN) - PPage
 * RB411UAHL CPU: Atheros AR7161 @680MHz (64MB/USB 2.0/miniPCI/LAN) - PPage
 * RB411UAHR CPU: Atheros AR7161 @680MHz (64MB/USB 2.0/AR2417 (bg)) - PPage (FCC)

Ethernet routers

 * MikroTik RouterBOARD hEX v3 (RB750Gr3) • MikroTik forums
 * RB750Gr3 (hEX v3) - 5x GbE ports, RouterOS L4 (6.36.1)
 * CPU: MediaTek MT7621A @880MHz Dual Core, 16/256MB


 * MikroTik RouterBOARD hEX (RB750Gr2)
 * RB750Gr2 (hEX) - 5x GbE ports, RouterOS L4
 * CPU: Qualcomm Atheros QCA9556-AR4A @720MHz, 16/64MB


 * MikroTik RouterBOARD hEX lite (RB750r2)
 * RB750r2 (hEX lite) - 5x FE ports, RouterOS L4
 * CPU: Qualcomm Atheros QCA9533-BL3A-R @850MHz, 16/64MB


 * MikroTik RouterBOARD hEX PoE lite (RB750UPr2)
 * RB750UPr2 (hEX PoE lite) - 5x FE ports, PoE, USB, OS L4
 * CPU: Qualcomm Atheros QCA9531 @650MHz, 16/64MB


 * MikroTik RouterBOARD PowerBox (RB750P-PBr2)
 * RB750P-PBr2 (PowerBox) - 5x FE ports, PoE, OS L4, PSU
 * CPU: Qualcomm Atheros QCA9531 @650MHz, 16/64MB


 * MikroTik RouterBOARD hEX S (RB760iGS) • MikroTik forums
 * RB760iGS (hEX S) - 5x GbE ports, USB, MicroSD, SFP, PoE
 * CPU: MediaTek MT7621A @880MHz Dual Core, 16/256MB


 * MikroTik RouterBOARD hEX PoE (RB960PGS)
 * RB960PGS (hEX PoE) - 5x GbE ports, SFP, PoE
 * CPU: Qualcomm Atheros QCA9557 @800MHz, 16/128MB


 * MikroTik RouterBOARD PowerBox Pro (RB960PGS-PB)
 * RB960PGS-PB (PowerBox Pro) - 5x GbE ports, SFP, PoE
 * CPU: Qualcomm Atheros QCA9557 @800MHz, 16/128MB

Audience series

 * MikroTik RouterBOARD Audience (RBD25G-5HPacQD2HPnD)
 * Audience • FCC ID: TV7D25-5HPQ2HP (2019-05-28)
 * Tri-Band 2.4/5GHz AP, 802.11ac, Mesh, 2x GbE ports, PoE
 * CPU: Qualcomm IPQ4019 @716MHz, QCA9984, 128/256MB


 * MikroTik RouterBOARD Audience LTE6 (RBD25GR-5HPacQD2HPnD &R11e-LTE6)
 * Audience LTE kit (RBD25GR-5HPacQD2HPnD&R11e-LTE6)
 * Tri-Band 2.4/5GHz AP, 802.11ac, Mesh, 2x GbE ports, PoE
 * CPU: Qualcomm IPQ4019 @716MHz, QCA9984, 128/256MB

Chateau series

 * MikroTik RouterBOARD Chateau LTE12 (RBD53G-5HacD2HnD-TC &EG12-EA)
 * Chateau LTE12 (RBD53G-5HacD2HnD-TC&EG12-EA)
 * FCC ID: TV7RDB53-5ACD2ND (2020-04-08) • FCC Report
 * 5x GbE ports, USB 2.0, Wave 2 (2x2 2.4/5GHz) • PBrief
 * CPU: Qualcomm IPQ4019 @716MHz, 16/256MB • Cat12 LTE

hAP series

 * MikroTik RouterBOARD hAP ac 3 (RBD53iG-5HacD2HnD)
 * hAP ac3 (RBD53iG-5HacD2HnD) • Review
 * FCC ID: TV7D53I-5ACD2ND (2020-09-21) • FCC Report
 * 5x GbE ports, USB 2.0, Wave 2 (2x2 2.4/5GHz) • PBrief
 * CPU: Qualcomm IPQ4019 @716MHz, 128/256MB •


 * MikroTik RouterBOARD hAP ac 3 LTE6 (RBD53GR-5HacD2HnD &R11e-LTE6)
 * hAP ac3 LTE6 kit (RBD53GR-5HacD2HnD&R11e-LTE6)
 * FCC ID: TV7RDB53-5ACD2ND (2020-04-08) • FCC Report
 * 5x GbE ports, USB 2.0, Wave 2 (2x2 2.4/5GHz) • PBrief
 * CPU: Qualcomm IPQ4019 @716MHz, 16/256MB • Cat6 LTE


 * MikroTik RouterBOARD hAP ac 2 (RBD52G-5HacD2HnD-TC) (US)
 * hAP ac2 (tower case), FCC ID: TV7RBD52-5ACD2ND (2018-01-15)
 * 5x GbE ports, PoE, USB 2.0, Wave 2 (2x2 2.4/5GHz) • PBrief
 * CPU: Qualcomm IPQ4018 @710MHz, 16/128MB • MT forum


 * MikroTik RouterBOARD hAP ac (RB962UiGS-5HacT2HnT)
 * RB962UiGS-5HacT2HnT (hAP ac) - FCC ID: TV7RB962-5ACT2NT
 * Dual-Concurrent Tripple Chain 2.4/5GHz AP, 802.11ac, 5x GbE ports,
 * POE-out on port 5, SFP, USB for 3G/4G support, OUI: E4:8D:8C
 * CPU: Qualcomm Atheros QCA9558 @720MHz, QCA9880, 16/128MB


 * MikroTik RouterBOARD hAP ac lite (RB952Ui-5ac2nD)
 * RB952Ui-5ac2nD (hAP ac lite) - FCC ID: TV7RB952-5AC2ND
 * Dual-Concurrent 2.4/5GHz AP, 802.11ac, 5x FE ports, 24V/1.2A,
 * POE-out on port 5, 1x USB for 3G/4G support, OUI: 4C:5E:0C (review)
 * CPU: Qualcomm Atheros QCA9531 @650MHz, QCA9887, 16/64MB


 * MikroTik RouterBOARD hAP ac lite tower (RB952Ui-5ac2nD-TC)
 * RB952Ui-5ac2nD-TC (hAP ac lite tower) - FCC ID: TV7RB952-5AC2ND
 * Dual-Concurrent 2.4/5GHz AP, 802.11ac, 5x FE ports, 24V/1.2A,
 * POE-out on port 5, 1x USB for 3G/4G support, OUI: 4C:5E:0C
 * CPU: Qualcomm Atheros QCA9531 @650MHz, QCA9887, 16/64MB


 * MikroTik RouterBOARD hAP (RB951Ui-2nD)
 * RB951Ui-2nD (hAP) - 2.4GHz AP - FCC ID: TV7RB951UI-2ND
 * 5x FE ports, POE-out on port 5, USB for 3G/4G support, OUI: 00:0C:42,
 * CPU: Qualcomm Atheros QCA9531 @650MHz, 16/64MB, 24V/0.8A


 * MikroTik RouterBOARD hAP lite (RB941-2nD-TC)
 * RB941-2nD-TC (hAP lite) - 2.4GHz AP - FCC ID: TV7RB941-2ND
 * 4x FE ports, 2T2R 802.11n, IC ID: 7442A-9412ND, OUI: 4C:5E:0C
 * CPU: Qualcomm Atheros QCA9533 @650MHz, 16/32MB


 * MikroTik RouterBOARD hAP lite classic (RB941-2nD)
 * RB941-2nD (hAP lite classic) - 2.4GHz AP - FCC ID: TV7RB941-2ND
 * 4x FE ports, 2T2R 802.11n, IC ID: 7442A-9412ND, OUI: 4C:5E:0C
 * CPU: Qualcomm Atheros QCA9533 @650MHz, 16/32MB


 * MikroTik RouterBOARD hAP mini (RB931-2nD)
 * RB931-2nD (hAP mini) - 2.4GHz AP - FCC ID: TV7931-2ND
 * 3x FE ports, 2T2R 802.11n, IC ID: 7442A-9312ND, OUI: 4C:5E:0C
 * CPU: Qualcomm Atheros QCA9533 @650MHz, 16/32MB

mAP series

 * MikroTik RouterBOARD mAP (RBmAP-2nD)
 * RBmAP-2nD (mAP) - 2.4GHz AP - FCC ID: TV7RBMAP2ND
 * 2x FE ports, micro Access Point, 24V/0.8A, OUI: 00:0C:42,
 * CPU: Qualcomm Atheros QCA9531 @650MHz, 16/64MB


 * MikroTik RouterBOARD mAP lite (RBmAPL-2nD)
 * RBmAPL-2nD (mAP lite) - 2.4GHz AP - FCC ID: TV7RBMAP2ND
 * 1x FE ports, micro Access Point, 24V/0.8A, OUI: 00:0C:42,
 * CPU: Qualcomm Atheros QCA9533 @650MHz, 16/64MB

cAP series

 * MikroTik RouterBOARD cAP (RBcAP-2nD)
 * RBcAP-2nD (cAP) - 2.4GHz AP - FCC ID: TV7RBCM2ND (2016-08-09)
 * 1x FE ports, Ceiling AP, Dual-Chain 2.4GHz, RouterOS L4, 802.3at/af
 * CPU: Qualcomm Atheros QCA9533 @650MHz, 16/64MB


 * MikroTik RouterBOARD cAP lite (RBcAPL-2nD)
 * RBcAPL-2nD (cAP) - 2.4GHz AP - FCC ID: TV7RBCAPL2ND
 * 1x FE ports, PoE, Ceiling AP, Dual-Chain 2.4GHz, RouterOS L4, 802.3at/af
 * CPU: Qualcomm Atheros QCA9533 @650MHz, 16/64MB, 22dBm, 1.5dBi


 * MikroTik RouterBOARD cAP ac (RBcAPGi-5acD2nD)
 * RBcAPGi-5acD2nD (cAP ac) - FCC ID: TV7CPGI5ACD2ND (2017-10-12)
 * 2x GbE ports, PoE, Ceiling AP, Dual-Chain 2.4/5GHz, RouterOS L4, 802.3at/af
 * CPU: Qualcomm IPQ4018 @716MHz, 16/256MB, 30dBm, 2dBi

wAP series

 * MikroTik RouterBOARD wAP ac 2 (RBwAP2-5HacT2HnD)
 * RBwAP2-5HacT2HnD (wAP ac2) - 2.4/5GHz Outdoor Wall AP


 * 1x GbE ports, PoE 802.3at, 802.11abgn/ac, Wave 2, RouterOS Level 4
 * CPU: Qualcomm Atheros QCA9556 @720MHz, QCA9880, 16/64MB


 * MikroTik RouterBOARD wAP ac (RBwAPG-5HacT2HnD)
 * RBwAPG-5HacT2HnD (wAP ac) - 2.4/5GHz Outdoor Wall AP
 * FCC ID: TV7RBWAP5AC2D (11/09/2016) - MikroTik wAP ac
 * 1x GbE ports, PoE 802.3at, 802.11abgn/ac, RouterOS Level 4
 * CPU: Qualcomm Atheros QCA9556 @720MHz, QCA9880, 16/64MB


 * MikroTik RouterBOARD wAP R (RBwAPR-2nD)
 * RBwAPR-2nD (wAP R) - 2.4GHz Outdoor Wall AP
 * FCC ID: TV7WAPR2ND (08/07/2017) - MikroTik wAP R
 * 1x FE ports, 1x Mini PCIe, PoE, 802.11bgn, RouterOS Level 4
 * CPU: Qualcomm Atheros QCA9531 @650MHz, 16/64MB


 * MikroTik RouterBOARD wAP (RBwAP-2nD)
 * RBwAP-2nD (wAP) - 2.4GHz Outdoor Wall AP
 * FCC ID: TV7RBWAP2ND (12/09/2015) • review
 * 1x FE ports, PoE 802.3at, 802.11bgn, RouterOS Level 4
 * CPU: Qualcomm Atheros QCA9531 @650MHz, 16/64MB

QRT series

 * MikroTik RouterBOARD QRT 2 (RBQRTG-2SHPnD)
 * RBQRTG-2SHPnD (QRT 2) - FCC ID: TV7RBQRTG2SHPND
 * 2.4GHz Outdoor Flat 17dBi Panel Antenna (int. RouterBOARD)
 * 1x GbE ports, PoE 802.3at (ns), 802.11bgn, RouterOS Level 4
 * CPU: Atheros AR9342 @600MHz (2T2R WiSoC), 16/64MB (review)

Omnitik series

 * MikroTik RouterBOARD OmniTIK 5 PoE (RBOmniTikUPA-5HacD) (US)
 * OmniTIK ac2 - Wave 2 • FCC ID: TV7RBOMNITIK5HND (2017-05-05)
 * IC ID: 7442A-OMNTK5HND


 * MikroTik Models

Switch Chip Features

 * http://wiki.mikrotik.com/wiki/Manual:Switch_Chip_Features
 * http://mikrotik.vetriks.ru/wiki/Прочее:Возможности_чипа_коммутации

RouterBoard	       Switch-chip description - RB433 series		IC Plus 175D (ether2-ether3); older models had IC Plus 175C RB433GL			Atheros AR8327 (ether1-ether3) RB435G			Atheros AR8316 (ether1-ether3) with ether1 optional RB450			IC Plus 175D (ether2-ether5); older models had IC Plus 175C RB450G			Atheros AR8316 (ether1-ether5) with ether1 optional RB493 series		IC Plus 178C (ether2-ether9) RB493G			Atheros AR8316 x2 (ether1 + ether6-ether9); (ether2-ether5)

RB750				Atheros AR7240 SoC (ether2-ether5) RB750r2 (hEX lite)		Atheros AR8227 (ether1-ether5) RB750G				Atheros AR8316 (ether1-ether5) RB750Gr2 (hEX)			Qualcomm QCA8337 (ether1-ether5) RB750Gr3 (hEX v3)		MediaTek MT7621A SoC (ether1-ether5) RB750GL				Atheros AR8327 (ether1-ether5) RB750Pr2			Atheros AR8227 (ether1-ether5) RB750P-PBr2 (PowerBox)		Atheros AR8227 (ether1-ether5) RB750UP				Atheros AR7240 SoC (ether2-ether5) RB750UPr2 (hEX PoE lite) 	Atheros AR8227 (ether1-ether5) RB751G-2HnD			Atheros AR8327 (ether1-ether5) RB751U-2HnD			Atheros AR7240 SoC (ether2-ether5)

RB816				IC Plus 178C x2 (ether1-ether16) RB850Gx2			Atheros AR8327 (ether1-ether5) with ether1 optional RB941-2nD (hAP lite)		Atheros AR8227 (ether1-ether4) RB951-2n			Atheros AR7240 SoC (ether2-ether5) RB951G-2HnD			Atheros AR8327 (ether1-ether5) RB951Ui-2HnD			Atheros AR8227 (ether1-ether5) RB951Ui-2nD (hAP)		Atheros AR8227 (ether1-ether5) RB952Ui-5ac2nD (hAP ac lite)	Atheros AR8227 (ether1-ether5) RB953GS				Atheros AR8327 (ether1-ether3 + sfp1) RB960PGS (hEX PoE)		Qualcomm QCA8337 (ether1-ether5) RB960PGS-PB (PowerBox Pro)	Qualcomm QCA8337 (ether1-ether5) RB962UiGS-5HacT2HnT (hAP ac)	Qualcomm QCA8337 (ether1-ether5) RB OmniTik ac series		Qualcomm QCA8337 (ether1-ether5)

RB1100			Atheros AR8316 x2 (ether1-ether5); (ether6-ether10) RB1100AH		Atheros AR8327 x2 (ether1-ether5); (ether6-ether10) RB1100AHx2		Atheros AR8327 x2 (ether1-ether5); (ether6-ether10) RB1100AHx4		Realtek RTL8367 x3 (ether1-ether5); (ether6-ether10); (ether11-ether13) RB1200			Atheros AR8316 (ether1-ether5) RB2011 series		Atheros AR8327 x2 (ether1-ether5 + sfp1); (ether6-ether10) RB3011 series		Qualcomm QCA8337 x2 (ether1-ether5); (ether6-ether10) CCR1009 series		Atheros AR8327 (ether1-ether4)

OUI

 * routerboard.com • OUI
 * Mikrotik ls SIA, Riga LV1009, Latvia

OUI		MAC range 00-0C-42	00-0C-42-00-00-00 - 00-0C-42-FF-FF-FF 4C-5E-0C	4C-5E-0C-00-00-00 - 4C-5E-0C-FF-FF-FF 6C-3B-6B	6C-3B-6B-00-00-00 - 6C-3B-6B-FF-FF-FF D4-CA-6D	D4-CA-6D-00-00-00 - D4-CA-6D-FF-FF-FF E4-8D-8C	E4-8D-8C-00-00-00 - E4-8D-8C-FF-FF-FF

Compatibility List
Manuf/Model	CPU	Freq   Flash	RAM	WNIC	      WLAN	Ports	VLAN	USB
 * Hardware compatibility list on wiki.commotionwireless.net

RB411	Atheros AR7130	300	64	32	1× mini-PCI	–	1	No RB411U	Atheros AR7130	300	64	32	1× mini-PCI	–	1	No	1 × 2.0 RB411AH	AR7130	680	64	64	1× mini-PCI	–	1	No RB411UAHR	AR7130	680	64	64	1× mini-PCI	b/g	1	No	1 × 2.0 RB433	Atheros AR7130	300	64/512	64	3× mini-PCI	–	IP175C	Yes RB433AH	AR7161	680	64/512	128	3× mini-PCI	–	IP175C	Yes	1× MicroSD RB433UAH	AR7161	680	64/512	128	3× mini-PCI	–	IP175C	Yes	2× 2.0	1× MicroSD RB435G	Atheros AR7161	680	64/512	256	5× mini-PCI	–	? Yes	2× 2.0	1 × MicroSD RB493G	Atheros AR7161	680	128	256	3x mini-PCI 9x GbE (2x AR8316)	Yes	1× 2.0	1× MicroSD RB750	Atheros AR7240	300	64	32	–	       –	5	Yes RB750GL	AR7242	400	128	64	–	       –	5	Yes RB750UP	AR7241	400	64	32	–	       –	5	Yes	–	1x 2.0 RB951Ui-2HnD	AR9334	600	128	128	Yes	     b/g/n	5 (AR7240)	Yes	1 × 2.0