Denver - Nieuw Tablets

Filter
Sorteren
Prijs
Merk1
Besturingssysteem
Schermdiagonaal
Opslagcapaciteit
Connectiviteit
Extra opties
High Definition
Conditie1
Winkel
AS51E2BE4Q401- CipherLab RS51, 2D, 11,9cm (4,7''), GPS, RFID, BT, Wi-Fi, 4G, NFC, Android, GMS

AS51E2BE4Q401- CipherLab RS51, 2D, 11,9cm (4,7''), GPS, RFID, BT, Wi-Fi, 4G, NFC, Android, GMS

1056,652127,37
-50%
M3 Mobile US20X, 2D, LR, SE4850, BT, Wi-Fi, 4G, NFC, Func. Num., GPS, hot-swap, Android | S20X4C-QLCWSE-HF

M3 Mobile US20X, 2D, LR, SE4850, BT, Wi-Fi, 4G, NFC, Func. Num., GPS, hot-swap, Android | S20X4C-QLCWSE-HF

1514,882819,46
-46%
CipherLab RS36 Series, 2D, SE5500, 14 cm (5.5''), GPS, USB-C, BT, WLAN, 4G, NFC, Android | AS36E4AF4NSG1

CipherLab RS36 Series, 2D, SE5500, 14 cm (5.5''), GPS, USB-C, BT, WLAN, 4G, NFC, Android | AS36E4AF4NSG1

1005,702271,91
-56%
Zebra ET51 Kit 2, 2D, SE4710, USB, BT, Wi-Fi, NFC, Android, kit (USB) | KIT-ET51CE-RTL-SF-GB

Zebra ET51 Kit 2, 2D, SE4710, USB, BT, Wi-Fi, NFC, Android, kit (USB) | KIT-ET51CE-RTL-SF-GB

1473,431841,78
-20%
Getac ZX10, 25,7cm (10,1''), GPS, USB, USB-C, BT (5.0), WLAN, Android, GMS | Z2A7CXWI5ABX

Getac ZX10, 25,7cm (10,1''), GPS, USB, USB-C, BT (5.0), WLAN, Android, GMS | Z2A7CXWI5ABX

1331,831664,78
-20%
CipherLab RS38, 2D, LR, SE5500, Projected Capacitive, GPS, USB-C, BT, 5G, NFC, Android, RB | AS3858AF4NSG1

CipherLab RS38, 2D, LR, SE5500, Projected Capacitive, GPS, USB-C, BT, 5G, NFC, Android, RB | AS3858AF4NSG1

1190,-2396,38
-50%
Honeywell Ck67 Er 2d Usb-c/bt/wifi/nfc Gms 51-key Alpha Gms Android

Honeywell Ck67 Er 2d Usb-c/bt/wifi/nfc Gms 51-key Alpha Gms Android

2491,39
Zebra ET56 Kit 4, USB, BT, WLAN, 4G, NFC, GPS, Android, kabel (USB) | KIT-ET56CE-FLD-00-EU

Zebra ET56 Kit 4, USB, BT, WLAN, 4G, NFC, GPS, Android, kabel (USB) | KIT-ET56CE-FLD-00-EU

1542,751928,44
-20%
39473890- Star TSP143IV X4, CloudPRNT, 8 dots/mm (203 dpi), cutter, USB, USB-C, BT, Ethernet, Wi-Fi, grijs

39473890- Star TSP143IV X4, CloudPRNT, 8 dots/mm (203 dpi), cutter, USB, USB-C, BT, Ethernet, Wi-Fi, grijs

326,55542,08
-40%
Honeywell EDA10A, 2D, USB-C, BT, WLAN, 5G, NFC, Android | EDA10A-11BE94N21RK

Honeywell EDA10A, 2D, USB-C, BT, WLAN, 5G, NFC, Android | EDA10A-11BE94N21RK

1006,351257,94
-20%
Vergelijk 2 prijzen
AS51E2BG5Q401- CipherLab RS51, 2D, 11,9cm (4,7''), GPS, RFID, BT, Wi-Fi, 4G, NFC, Android, GMS

AS51E2BG5Q401- CipherLab RS51, 2D, 11,9cm (4,7''), GPS, RFID, BT, Wi-Fi, 4G, NFC, Android, GMS

1074,732163,84
-50%
Zebra EC50, 2-Pin, 2D, SE4100, BT, Wi-Fi, NFC, GMS, ext. bat., Android | EC500K-01B132-A6

Zebra EC50, 2-Pin, 2D, SE4100, BT, Wi-Fi, NFC, GMS, ext. bat., Android | EC500K-01B132-A6

1015,331938,57
-48%
Honeywell EDA71 N6703, 2D, BT, Wi-Fi, Android | EDA71-0-B961SAGOK

Honeywell EDA71 N6703, 2D, BT, Wi-Fi, Android | EDA71-0-B961SAGOK

1423,601779,50
-20%
AS51E2BECQ401- CipherLab RS51, 2D, 11,9cm (4,7''), GPS, RFID, BT, Wi-Fi, 4G, NFC, Android, GMS

AS51E2BECQ401- CipherLab RS51, 2D, 11,9cm (4,7''), GPS, RFID, BT, Wi-Fi, 4G, NFC, Android, GMS

1589,932321,88
-32%
M3 Mobile US20X, 2D, BT, WLAN, 4G, NFC, alfa, GPS, hot-swap, ext. Bat., Android | S20X4C-QFCWEE-HF

M3 Mobile US20X, 2D, BT, WLAN, 4G, NFC, alfa, GPS, hot-swap, ext. Bat., Android | S20X4C-QFCWEE-HF

1522,172833,03
-46%
Lenovo Tab 10.1  64GB  incl. Tab play Suite / kids bumper en pen

Lenovo Tab 10.1 64GB incl. Tab play Suite / kids bumper en pen

149,-159,-
-6%
Vergelijk 5 prijzen
CipherLab RS36 series, 2D, SE5500, 14 cm (5.5''), GPS, USB-C, BT, WLAN, 4G, NFC, Android, kabel (USB) | AS36E4AF4EUG1

CipherLab RS36 series, 2D, SE5500, 14 cm (5.5''), GPS, USB-C, BT, WLAN, 4G, NFC, Android, kabel (USB) | AS36E4AF4EUG1

1149,632314,96
-50%
Panasonic TOUGHBOOK L1, 2D, USB, BT, Wi-Fi, NFC, warm-swap, Android | FZ-L1AGAAGAS

Panasonic TOUGHBOOK L1, 2D, USB, BT, Wi-Fi, NFC, warm-swap, Android | FZ-L1AGAAGAS

1065,511741,19
-39%
Getac ZX70 G2, 17.8cm (7''), GPS, USB, BT, WLAN, 4G, Android | Z1C72XDI5OAX

Getac ZX70 G2, 17.8cm (7''), GPS, USB, BT, WLAN, 4G, Android | Z1C72XDI5OAX

1238,161547,70
-20%
Samsung Galaxy Tab S9 FE Plus - WiFi - 256GB - Gray

Samsung Galaxy Tab S9 FE Plus - WiFi - 256GB - Gray

849,-
Google best seller top 100.Vergelijk 11 prijzen
Apple iPad Air 13 M3 2025 Wifi 512GB Sterrenlicht

Apple iPad Air 13 M3 2025 Wifi 512GB Sterrenlicht

1199,-
Zebra ET40-HC/ET45-HC, 2D, SE4100, 25,7cm (10,1''), USB-C, BT (5.1), WLAN, NFC, Android, GMS | ET40AB-0H1C2B0-A6

Zebra ET40-HC/ET45-HC, 2D, SE4100, 25,7cm (10,1''), USB-C, BT (5.1), WLAN, NFC, Android, GMS | ET40AB-0H1C2B0-A6

1009,591261,99
-20%
Getac ZX70 G2, USB, BT, Wi-Fi, 4G, GPS, Android | Z1C72XDI5RAX

Getac ZX70 G2, USB, BT, Wi-Fi, 4G, GPS, Android | Z1C72XDI5RAX

1323,791654,74
-20%
Getac ZX70 Select Solution SKU, USB, BT, Wi-Fi, 4G, GPS, Android | ZD77P3DH5OAX

Getac ZX70 Select Solution SKU, USB, BT, Wi-Fi, 4G, GPS, Android | ZD77P3DH5OAX

1082,82
M3 Mobile US20X, 2D, SE4770, BT, Wi-Fi, 4G, NFC, alpha, GPS, hot-swap, Android | S20X4C-Q2CWEE-HF

M3 Mobile US20X, 2D, SE4770, BT, Wi-Fi, 4G, NFC, alpha, GPS, hot-swap, Android | S20X4C-Q2CWEE-HF

1267,912359,43
-46%
Datalogic Skorpio X5, contactless, 2D, XLR, BT, Wi-Fi, NFC, Func. Num., Gun, GMS, ext. bat., Android | 943500049

Datalogic Skorpio X5, contactless, 2D, XLR, BT, Wi-Fi, NFC, Func. Num., Gun, GMS, ext. bat., Android | 943500049

1582,352809,62
-44%
Getac ZX70 Select Solution SKU, 2D, USB, BT, Wi-Fi, GPS, Android | ZD77Q1DH58AX

Getac ZX70 Select Solution SKU, 2D, USB, BT, Wi-Fi, GPS, Android | ZD77Q1DH58AX

1120,211818,63
-38%
Newland FG80, incl.: Impijn E710, 2D, 20.3 cm (8''), GPS, USB-C, BT, WLAN, 5G, NFC, Android, kabel (USB) | SD-FG80-W5-UHF1

Newland FG80, incl.: Impijn E710, 2D, 20.3 cm (8''), GPS, USB-C, BT, WLAN, 5G, NFC, Android, kabel (USB) | SD-FG80-W5-UHF1

1257,451668,59
-25%
Datalogic Skorpio X5, contactless, 2D, MR, USB-C, BT, Wi-Fi, num., Gun, GMS, ext. bat., black, Android | 943500062

Datalogic Skorpio X5, contactless, 2D, MR, USB-C, BT, Wi-Fi, num., Gun, GMS, ext. bat., black, Android | 943500062

1451,672578,51
-44%
Honeywell EDA71, 2D, BT, Wi-Fi, 4G, Android | EDA71-1-B741EAGOK

Honeywell EDA71, 2D, BT, Wi-Fi, 4G, Android | EDA71-1-B741EAGOK

1375,672128,11
-35%
Vergelijk 2 prijzen
M3 Mobile UL20W, 2D, LR, SE4850, BT, Wi-Fi, NFC, num., GPS, GMS, Android | U20W0C-PLCFRS-HF

M3 Mobile UL20W, 2D, LR, SE4850, BT, Wi-Fi, NFC, num., GPS, GMS, Android | U20W0C-PLCFRS-HF

1533,872854,85
-46%
Getac ZX80, 2D, 20.3 cm (8''), USB-C, BT, WLAN, Android | Z8A7FHDX1DXX

Getac ZX80, 2D, 20.3 cm (8''), USB-C, BT, WLAN, Android | Z8A7FHDX1DXX

1395,701744,63
-20%
Zebra EC50, 8-Pin, 2D, SE4100, BT, Wi-Fi, NFC, GMS, ext. bat., Android | EC500K-01B243-A6

Zebra EC50, 8-Pin, 2D, SE4100, BT, Wi-Fi, NFC, GMS, ext. bat., Android | EC500K-01B243-A6

1074,822040,62
-47%
Lenovo Tab K11 Enhanced Edition 11  128GB Wifi + 4G Grijs

Lenovo Tab K11 Enhanced Edition 11 128GB Wifi + 4G Grijs

209,-229,-
-9%
Vergelijk 2 prijzen
Zebra ET56, USB, BT, Wi-Fi, 4G, NFC, GPS, Android | ET56DE-G21E-00A6

Zebra ET56, USB, BT, Wi-Fi, 4G, NFC, GPS, Android | ET56DE-G21E-00A6

1487,291859,11
-20%
Elo Pay M100, EMV, 2D, SE4100, 25,7cm (10,1''), Projected Capacitive, USB-C, BT, WLAN, eSIM, 4G, NFC, Android, kabel | E121973

Elo Pay M100, EMV, 2D, SE4100, 25,7cm (10,1''), Projected Capacitive, USB-C, BT, WLAN, eSIM, 4G, NFC, Android, kabel | E121973

1359,591699,48
-20%
Elo Pay M100, EMV, 25,7cm (10,1''), Projected Capacitive, USB-C, BT, WLAN, NFC, Android, kabel | E121405

Elo Pay M100, EMV, 25,7cm (10,1''), Projected Capacitive, USB-C, BT, WLAN, NFC, Android, kabel | E121405

1134,781418,48
-20%
Zebra ET55, USB, BT, Wi-Fi, 4G, NFC, Android, GMS | ET55TE-G15E-00A6-EU

Zebra ET55, USB, BT, Wi-Fi, 4G, NFC, Android, GMS | ET55TE-G15E-00A6-EU

1310,061637,58
-20%
Acer Iconia V11 V11-11-83VS 11  WUXGA Multi-Touch IPS 6G Tablet

Acer Iconia V11 V11-11-83VS 11 WUXGA Multi-Touch IPS 6G Tablet

149,-199,-
-25%
Vergelijk 4 prijzen
Newland FG80, incl.: Impijn E710, 2D, 20.3 cm (8''), GPS, USB-C, BT, WLAN, 4G, NFC, Android, kabel (USB) | SD-FG80-W4-UHF1

Newland FG80, incl.: Impijn E710, 2D, 20.3 cm (8''), GPS, USB-C, BT, WLAN, 4G, NFC, Android, kabel (USB) | SD-FG80-W4-UHF1

1075,951426,59
-25%
Honeywell EDA56, 6-Pin, 2D, BT, NFC, GMS, Android | EDA56-00AE8BN21RK

Honeywell EDA56, 6-Pin, 2D, BT, NFC, GMS, Android | EDA56-00AE8BN21RK

1241,041945,01
-36%
Getac ZX70 Select Solution SKU, 2D, USB, BT, Wi-Fi, 4G, GPS, Android | ZD77Q1DH5SAX

Getac ZX70 Select Solution SKU, 2D, USB, BT, Wi-Fi, 4G, GPS, Android | ZD77Q1DH5SAX

1144,041857,35
-38%
Newland FG80, incl.: Crossmatch TCS1G, 2D, 20.3 cm (8''), GPS, USB-C, BT, WLAN, 5G, NFC, Android, kabel (USB) | SD-FG80-W5-FP1

Newland FG80, incl.: Crossmatch TCS1G, 2D, 20.3 cm (8''), GPS, USB-C, BT, WLAN, 5G, NFC, Android, kabel (USB) | SD-FG80-W5-FP1

1189,381577,84
-25%
M3 Mobile US20W, 2D, SE4770, BT, Wi-Fi, NFC, num., Android | S20W0C-Q2CWRE-HF

M3 Mobile US20W, 2D, SE4770, BT, Wi-Fi, NFC, num., Android | S20W0C-Q2CWRE-HF

1103,252052,70
-46%
Zebra ET51 Kit 5, USB, BT, WLAN, NFC, Android, kabel (USB) | KIT-ET51CT-RTL-00-EU

Zebra ET51 Kit 5, USB, BT, WLAN, NFC, Android, kabel (USB) | KIT-ET51CT-RTL-00-EU

1393,081741,34
-20%
Apple iPad Air (2025) 11 inch 256GB Wifi - Tablet Grijs

Apple iPad Air (2025) 11 inch 256GB Wifi - Tablet Grijs

849,-
Vergelijk 9 prijzen
Apple iPad Air (2025) 11 inch 256GB Wifi - Tablet Blauw

Apple iPad Air (2025) 11 inch 256GB Wifi - Tablet Blauw

849,-
Vergelijk 9 prijzen
MOBILE ORIGIN The Case, zwart - iPad Air 11 inch (M3,2025/M2,2024)
Nieuw!

MOBILE ORIGIN The Case, zwart - iPad Air 11 inch (M3,2025/M2,2024)

39,99
Stradava.eu
Otterbox Tablethoes iPad Air 11 inch 2024 - Zwart

Otterbox Tablethoes iPad Air 11 inch 2024 - Zwart

61,99
Stradava.eu
Blackview Tablet TAB9 WiFi 10-inch 256GB roze/zwart

Blackview Tablet TAB9 WiFi 10-inch 256GB roze/zwart

226,-
Stradava.eu
PureMounts® Tabletstandaard met afsluitbare behuizing voor iPad 5/6/7/8/9/IPad Air 9,7 inch/10,5 inch/10,9 inch/IPad Air 9,7 inch/10,5 inch/11 inch en Samsung Tab A 10,1 (2019) / tabblad A7/S6 Lite

PureMounts® Tabletstandaard met afsluitbare behuizing voor iPad 5/6/7/8/9/IPad Air 9,7 inch/10,5 inch/10,9 inch/IPad Air 9,7 inch/10,5 inch/11 inch en Samsung Tab A 10,1 (2019) / tabblad A7/S6 Lite

51,63
PureMounts® Tabletstandaard met afsluitbare behuizing voor iPad 5/6/7/8/9/IPad Air 9,7 inch/10,5 inch/10,9 inch/IPad Air 9,7 inch/10,5 inch/11 inch en Samsung Tab A 10,1 (2019) / tabblad A7/S6 Lite

PureMounts® Tabletstandaard met afsluitbare behuizing voor iPad 5/6/7/8/9/IPad Air 9,7 inch/10,5 inch/10,9 inch/IPad Air 9,7 inch/10,5 inch/11 inch en Samsung Tab A 10,1 (2019) / tabblad A7/S6 Lite

50,86
Spigen Tough Armor - gunmetal - iPad 10.2" 2021/2020/2019

Spigen Tough Armor - gunmetal - iPad 10.2" 2021/2020/2019

28,98
Spigen Nano Pop black sesame - iPad mini 2024/6

Spigen Nano Pop black sesame - iPad mini 2024/6

25,79
Apple iPad Air (2025) 11 inch 128GB Wifi + 5G - Tablet

Apple iPad Air (2025) 11 inch 128GB Wifi + 5G - Tablet

889,-
Vergelijk 6 prijzen
conecto Tablethouder, met afsluitbare stalen behuizing voor Tab A 10,1 (2019)/Tab A7/S6 Lite 10,4/10,5 inch/11 en iPad 5/6/7/8/9/iPad Air 9,7 inch/10,5 inch/10,9 inch/iPad Air 9,7 inch/10,5 inch/11,

conecto Tablethouder, met afsluitbare stalen behuizing voor Tab A 10,1 (2019)/Tab A7/S6 Lite 10,4/10,5 inch/11 en iPad 5/6/7/8/9/iPad Air 9,7 inch/10,5 inch/10,9 inch/iPad Air 9,7 inch/10,5 inch/11,

80,23
conecto Tablethouder, met afsluitbare stalen behuizing voor Tab A 10,1 (2019)/Tab A7/S6 Lite 10,4/10,5 inch/11 en iPad 5/6/7/8/9/iPad Air 9,7 inch/10,5 inch/10,9 inch/iPad Air 9,7 inch/10,5 inch/11,

conecto Tablethouder, met afsluitbare stalen behuizing voor Tab A 10,1 (2019)/Tab A7/S6 Lite 10,4/10,5 inch/11 en iPad 5/6/7/8/9/iPad Air 9,7 inch/10,5 inch/10,9 inch/iPad Air 9,7 inch/10,5 inch/11,

62,99
conecto Tablethouder, met afsluitbare stalen behuizing voor Tab A 10,1 (2019)/Tab A7/S6 Lite 10,4/10,5 inch/11 en iPad 5/6/7/8/9/iPad Air 9,7 inch/10,5 inch/10,9 inch/iPad Air 9,7 inch/10,5 inch/11,

conecto Tablethouder, met afsluitbare stalen behuizing voor Tab A 10,1 (2019)/Tab A7/S6 Lite 10,4/10,5 inch/11 en iPad 5/6/7/8/9/iPad Air 9,7 inch/10,5 inch/10,9 inch/iPad Air 9,7 inch/10,5 inch/11,

57,35
MoKo Waterproof Tablet Case, Tablet Pouch Dry Bag Fit iPad 9/8/7 10.2, iPad Pro 11 M1, iPad Air 5/4 10.9, Galaxy Tab A7 10.4, S7 11, S6/S6 Lite, MatePad NEW 10.4 Tab E 9.6 up to 12 Inch

MoKo Waterproof Tablet Case, Tablet Pouch Dry Bag Fit iPad 9/8/7 10.2, iPad Pro 11 M1, iPad Air 5/4 10.9, Galaxy Tab A7 10.4, S7 11, S6/S6 Lite, MatePad NEW 10.4 Tab E 9.6 up to 12 Inch

17,39
Logicom - Tab Stand Pro 2 - 64GB - 10.1 Inch - Grijs - Wifi - Android 13 - 128GB Extra

Logicom - Tab Stand Pro 2 - 64GB - 10.1 Inch - Grijs - Wifi - Android 13 - 128GB Extra

105,-115,-
-9%
Archos T101X 4G tablet, gehard, WLAN en 4G, schokbestendig, IP 54 (display 10,1 inch / 25,6 cm), IPS HD, Quad-Core-processor, 2 GB RAM, 32 GB geheugen, batterij 8000 mAh, Android 10)

Archos T101X 4G tablet, gehard, WLAN en 4G, schokbestendig, IP 54 (display 10,1 inch / 25,6 cm), IPS HD, Quad-Core-processor, 2 GB RAM, 32 GB geheugen, batterij 8000 mAh, Android 10)

199,99
Vergelijk 2 prijzen
Apple iPad Air M3 (2025) - 11 inch - Wi-Fi + Cellular - 256GB - Space Grey - 7e generatie

Apple iPad Air M3 (2025) - 11 inch - Wi-Fi + Cellular - 256GB - Space Grey - 7e generatie

993,-1019,-
Vergelijk 6 prijzen
OtterBox React Folio iPad Air 11 inch (M3/M2/5th/4th gen) zwart

OtterBox React Folio iPad Air 11 inch (M3/M2/5th/4th gen) zwart

48,99
Stradava.eu
OtterBox Tablet Hoes - Geschikt voor iPad Air - Zwart

OtterBox Tablet Hoes - Geschikt voor iPad Air - Zwart

103,-
Stradava.eu
NUBIA Tablet Pad 3D 12.4 inch 128 GB zwart (WLONONWCRBFAE)

NUBIA Tablet Pad 3D 12.4 inch 128 GB zwart (WLONONWCRBFAE)

1030,-
Vergelijk 2 prijzen
Blackview Tablet MEGA1 11 inch 256GB/MEGA1 blauw zwart
Nieuw!

Blackview Tablet MEGA1 11 inch 256GB/MEGA1 blauw zwart

384,-
Vergelijk 2 prijzen
Lenovo Legion Tabinch 12GB/256GB Gaming Tablet Eclipse Black

Lenovo Legion Tabinch 12GB/256GB Gaming Tablet Eclipse Black

749,-
Google best seller top 100.Vergelijk 8 prijzen
Universele beschermhoes met 11 inch (10,2 - 10,4 inch), bediening

Universele beschermhoes met 11 inch (10,2 - 10,4 inch), bediening

29,19
BWJBSW Kids Tablet voor kinderen, 8 inch, Android 14, 3 GB RAM + 32 GB, wifi-tablet, kinderbeveiliging, ruimte voor kinderen, beschermhoes

BWJBSW Kids Tablet voor kinderen, 8 inch, Android 14, 3 GB RAM + 32 GB, wifi-tablet, kinderbeveiliging, ruimte voor kinderen, beschermhoes

95,73
Apple iPad 2025 11  Wifi 256GB Blauw

Apple iPad 2025 11 Wifi 256GB Blauw

529,-
Vergelijk 8 prijzen
Grateq PALLAS WALL CHARGER GaN PD/PPS USB-C 45W

Grateq PALLAS WALL CHARGER GaN PD/PPS USB-C 45W

25,0129,90
-16%
Samsung Galaxy Tab A9 - 64GB - 8.7 inch - Gray

Samsung Galaxy Tab A9 - 64GB - 8.7 inch - Gray

122,74
Google best seller top 100.Vergelijk 8 prijzen
Outlet: Lenovo Yoga Pro 7 - 83E3002XMH

Outlet: Lenovo Yoga Pro 7 - 83E3002XMH

779,-
Vergelijk 2 prijzen
Samsung Galaxy Tab S9 - 128 GB - Grafiet

Samsung Galaxy Tab S9 - 128 GB - Grafiet

689,-
Google best seller top 100.Vergelijk 5 prijzen
Apple iPad Air 2025 11  Wifi 128GB Blauw

Apple iPad Air 2025 11 Wifi 128GB Blauw

695,-
Google best seller top 100.Vergelijk 8 prijzen
Apple iPad Air 2025 11  Wifi 128GB Beige

Apple iPad Air 2025 11 Wifi 128GB Beige

695,-
Google best seller top 100.Vergelijk 11 prijzen