Autonomous photovoltaic system for refrigerator 12V / 65watt - 75 watts
Autonomous photovoltaic kit / package for small refrigerator 65-75 watt / 12V or 220V by adding inverter
- Quantity of product Lithium Battery ULS-12-150 AH Ultimatron LiFePO4 Lithium Battery 12.8V 150Ah / 1920 Wh / with bluetooth and smart BMS with 5 YEAR warranty can not be less than 2
3 SOPzS 390Ah / C120 2V RES Sunlight battery open type
109.00 € Excluding VAT
135.16 € Includes VAT
The 2v batteries RES 3-SOPzS 390AH / C120 of the company Sunlight, made in Greece, are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum life time according to the specifications of the conveyor1 is 15 years (Design Life under Float Conditions)
Capacity:
392Ah / C120
Dimensions: 198mm x 65mm x 478mm (Height 505 mm with poles)
Price without VAT.
Only 2 pieces left in stock.
... people are viewing this right now
The 2v batteries RES 3-SOPzS 390AH / C120 of the company Sunlight, made in Greece, are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum life time according to the specifications of the conveyor1 is 15 years (Design Life under Float Conditions)
SOPzS batteries are deep discharge with cylindrical lead plates and with 2500 life cycles at 50% discharge (DOD).
They are made of translucent durable housing, for easy monitoring of the liquid level and quite resistant to repeated loading-unloading.
Capacity:
392Ah / C120
Dimensions: 198mm x 65mm x 478mm (Height 505 mm with poles)
3 SOPzS 390Ah/C120 2V RES Backup Battery SOPzS 390Ah/C120 2V (RES), a robust and reliable energy storage solution designed to meet the demanding requirements of various applications. With a capacity of 390Ah with a C120 discharge rate, these batteries are designed for optimal performance and longevity.
The SOPzS (Solar OPzS) design ensures improved deep-cycle capabilities, making them ideal for renewable energy systems, off-grid installations and industrial applications. The 2V configuration allows for flexible integration into various settings, providing a stable and reliable power source.
Precision engineered, these batteries use advanced lead-acid technology to deliver stable and consistent performance for extended life. The high capacity ensures ample power reserves, covering situations that require continuous power supply, such as backup power for critical infrastructure or remote facilities.
3 SOPzS 390Ah/C120 2V RES Our SOPzS batteries 390Ah/C120 2V RES prioritize durability, with a robust construction that withstands harsh environmental conditions. The robust design ensures resistance to temperature fluctuations and mechanical stress, making them suitable for a wide range of operational settings.
Investing in SOPzS 390Ah/C120 2V RES batteries means choosing a reliable energy storage solution that excels in reliability and longevity. Whether you're powering a remote telecom station, a solar power system or an off-grid facility, these batteries offer the performance and durability needed for uninterrupted operation. Upgrade your energy storage with confidence and explore the possibilities of the SOPzS 390Ah/C120 2V RES battery in your various applications.
| Weight | 19 kg |
|---|---|
| Brand |
you may also like...
4 SOPZS 720AH / C120 2V RES Open type Sunlight battery
235.00 €
169.90 € Excluding VAT
210.68 € Includes VAT
169.90 € Excluding VAT
210.68 € Includes VAT
The 2v batteries RES 4-SOPzS 720AH / C120 Sunlight, Greek-made deep discharge company are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum service life according to the manufacturer's specifications is 15 years (Design Life under Float Conditions)
Capacity:
721Ah / C120
Dimensions: 198mm x 101mm x 613mm (Height 640 mm with poles)
Price without VAT.
Out of stock
4 SOPZS 500AH / C120 2V RES Open type Sunlight battery
169.00 €
124.00 € Excluding VAT
153.76 € Includes VAT
124.00 € Excluding VAT
153.76 € Includes VAT
SUNLIGHT RES SOPzS 2V 500Ah C120
In stock
7 SOPZS 1270AH / C120 2V RES Open type Sunlight battery
354.00 €
285.00 € Excluding VAT
353.40 € Includes VAT
285.00 € Excluding VAT
353.40 € Includes VAT
The 2v RES 7-SOPzS 1270AH / C120 deep discharge batteries of the company Sunlight, made in Greece, are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum service life according to the manufacturer's specifications is 15 years (Design Life under Float Conditions)
Capacity:
1271Ah / C120
Dimensions: 198mm x 174mm x 613mm (Height 640 mm together with the poles). Weight 51.6 Kg
Price without VAT.
In stock
5 SOPZS 860AH / C120 2V RES Open type Sunlight battery
279.00 €
189.00 € Excluding VAT
234.36 € Includes VAT
189.00 € Excluding VAT
234.36 € Includes VAT
The 2v batteries RES 5-SOPzS 850AH / C120 Sunlight, Greek-made deep discharge company are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum service life according to the manufacturer's specifications is 15 years (Design Life under Float Conditions)
Capacity:
860Ah / C120
Dimensions: 198mm x 119mm x 613mm (Height 640 mm with poles)
Price without VAT.
In stock
Related products
ECO AGM 50 / 55AH C100 PREMIUM Battery
139.00 €
99.00 € Excluding VAT
122.76 € Includes VAT
99.00 € Excluding VAT
122.76 € Includes VAT
Batteries ECO AGM / VRLA battery 50AH C20 & 55AH C100,
12V closed type AGM Long Life maintance free (without maintenance)
Deep discharge of high fidelity with a life expectancy of 10-12 years
Ideal for Solar use in autonomous photovoltaic and hybrid systems, back up applications, UPS, permanent and holiday homes yachts (service use), Electric Wheelchairs, wifi transponders & mobile telephony etc.
Price without VAT
ECOGEL 130 / 140AH C100 GEL for photovoltaics and wind turbine
276.00 €
207.00 € Excluding VAT
256.68 € Includes VAT
207.00 € Excluding VAT
256.68 € Includes VAT
ECOGEL 130 140AH C100 GEL series premium deep discharge batteries closed type GEL Long Life maintance free (without maintenance) for photovoltaics and wind turbines, high fidelity deep discharge with an expected life time of 10-12 years. Two year dealer warranty.
2 SOPzS 215Ah / C120 2V RES Sunlight battery open type
105.00 €
79.00 € Excluding VAT
97.96 € Includes VAT
79.00 € Excluding VAT
97.96 € Includes VAT
The 2v batteries RES 2-SOPzS 215AH / C120 of the company Sunlight, made in Greece, are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum life time according to the specifications of the conveyor1 is 15 years (Design Life under Float Conditions)
Capacity:
215Ah / C120
Dimensions: 198mm x 65mm x 408mm (Height 435 mm with poles
Price without VAT.
In stock
ECOGEL 165-180AH C100 GEL deep discharge for photovoltaic and wind turbine
339.00 €
275.00 € Excluding VAT
341.00 € Includes VAT
275.00 € Excluding VAT
341.00 € Includes VAT
ECOGEL 165 180AH C100 GEL series of premium batteries deep discharge closed type GEL Long Life maintance free (maintenance free) for wind turbine and high fidelity deep discharge photovoltaics with a life expectancy of 10-12 years
Suitable for Solar use in autonomous photovoltaic and hybrid systems, back up applications, UPS, permanent and holiday yachts (use of services), Electric Wheelchairs, wifi transponders & mobile telephony etc.
Dimensions S. Energy ECO_ GEL165 / 180ah C100- Solar GEL VRLA
Length: 483.00 mm
Width: 172.00 mm
Height: 240.00 mm
Weight: 45.00 Kg.
Up to 1280 charge cycles in DοD 50% of the discharge
Price without VAT
2 SOPZV 280AH / C120 2V RES Closed Type Battery
152.00 €
117.00 € Excluding VAT
145.08 € Includes VAT
117.00 € Excluding VAT
145.08 € Includes VAT
Closed type photovoltaic batteries GEL 2V RES 2 SOPzV 280Ah / C120 of the Greek company Sunlight is a new economical solution suitable and efficient for energy storage in medium and large autonomous photovoltaic systems.
Capacity:
280Ah / C120
Dimensions: 198mm x 47mm x 568mm (Height 595mm with poles). Weight 15.4 Kg
Price without VAT.
Available on backorder
6 SOPZV 850AH / C120 Gel closed battery
330.00 €
247.00 € Excluding VAT
306.28 € Includes VAT
247.00 € Excluding VAT
306.28 € Includes VAT
Closed type photovoltaic batteries GEL 2V RES 6 SOPzV 850Ah / C120 of the Greek company Sunlight is a new economical solution suitable and efficient for energy storage in medium and large autonomous photovoltaic systems.
Capacity:
852Ah / C120
Dimensions: 198mm x 119mm x 568mm (Height 595 mm with poles). Weight 42,10Kg
Price without VAT.
Available on backorder
2 SOPzV 150Ah / C120 Closed type battery
87.00 €
64.00 € Excluding VAT
79.36 € Includes VAT
64.00 € Excluding VAT
79.36 € Includes VAT
Closed type photovoltaic batteries GEL 2V RES2 SOPzV 150Ah / C120 of the Greek company Sunlight is a new economical solution suitable and efficient for energy storage in medium and large autonomous photovoltaic systems.
Price without VAT.
Out of stock
ECOGEL 100 / 110AH C100 GEL for photovoltaic & wind turbines
209.00 €
169.00 € Excluding VAT
209.56 € Includes VAT
169.00 € Excluding VAT
209.56 € Includes VAT
ECOGEL 100 / 110AH C100 GEL Premium series GEL Long Life maintance free deep discharge batteries (without maintenance) deep discharge of high fidelity with a life expectancy of 10-12 years
It is the best solution for small photovoltaic energy storage systems. Provide maximum performance and resistance to overload and deep discharge.
They also provide high resistance to vibration and vibration. GEL technology closed type batteries completely waterproof, no maintenance required while delivering (approximately 1280 charging cycles)
Suitable for Solar use in autonomous photovoltaic and hybrid systems, back up applications, UPS, permanent and holiday yachts (use of services), Electric Wheelchairs, wifi transponders & mobile telephony etc.
Dimensions S. Energy ECO_ GEL100 / 110ah C100- Solar GEL VRLA
Length: 260.00 mm
Width: 170.00 mm
Height: 210.00 mm
Weight: 23.50 Kg.
Up to 1280 charge cycles in DοD 50% of the discharge
Price without VAT
Out of stock
7 SOPZV 1190AH / C120 Gel closed battery
406.00 €
321.00 € Excluding VAT
398.04 € Includes VAT
321.00 € Excluding VAT
398.04 € Includes VAT
Closed type photovoltaic batteries GEL 2V RES 7 SOPzV 1190Ah / C120 of the Greek company Sunlight is a new economical solution suitable and efficient for energy storage in medium and large autonomous photovoltaic systems.
Capacity:
1190Ah / C120
Dimensions: 198mm x 155mm x 713mm (Height 740mm with poles). Weight 60Kg
Price without VAT.
Available on backorder
Semi-discharge battery 100Ah, C-20 / 12V Semi Traction
175.00 €
119.50 € Excluding VAT
148.18 € Includes VAT
119.50 € Excluding VAT
148.18 € Includes VAT
Semi-discharge Solar Battery 100Ah, C-20 / 12V Semi Traction
The models in the series offer an unbeatable battery combination suitable for deep discharges (traction) accompanied by an excellent ability to provide starting power. Specially designed for applications that require permanent and long-term power supply, they have Pb / Sb / Sn / As / Se grids that ensure corrosion resistance and better performance with active materials, also have a separator from micro-porous rubber (or PE industrial) accompanied by frosted glass that reduces plaque apoptosis and increases shelf life.
Price without VAT
S. Energy Battery ML140 / 150AH C100 AGM LONG LIFE
253.00 €
185.00 € Excluding VAT
229.40 € Includes VAT
185.00 € Excluding VAT
229.40 € Includes VAT
Battery S. Energy ML140 / 150AH C100 Closed type AGM Long Life (without maintenance) deep discharge of high fidelity with a life expectancy of 10-12 years Suitable for use in Autonomous Photovoltaic Systems, UPS, Boats - Yachts (service use), Electric Wheelchairs etc.
Price without VAT
Out of stock
6 SOPZS 965AH / C120 2V RES Open type Sunlight battery
274.00 €
199.00 € Excluding VAT
246.76 € Includes VAT
199.00 € Excluding VAT
246.76 € Includes VAT
The 2v batteries RES 6-SOPzS 965AH / C120 Sunlight, Greek-made deep discharge company are an economical and reliable solution for energy storage in small and medium autonomous PV systems. The maximum service life according to the manufacturer's specifications is 15 years (Design Life under Float Conditions)
SOPzS batteries are deep discharge with cylindrical lead plates and with 2500 life cycles at 50% discharge (DOD).
They are made of translucent durable housing, for easy monitoring of the liquid level and quite resistant to repeated loading-unloading.
Capacity:
969Ah / C120
Dimensions: 198mm x 137mm x 613mm (Height 640 mm with poles)
Price without VAT.
In stock
Most viewed products
-
10kW PPC Photovoltaic ECO 545 Solar on roofs
6,800.00 €
5,300.00 € Excluding VAT
6,572.00 € Includes VAT10 Kwatt photovoltaic on roofs with interconnected to PPC photovoltaic system with installation
Photovoltaic Eco 545
See all offers here
Available on backorder
-
5kW PPC Photovoltaic ECO Solar 410-420 WATT with possibility for Installation
7,280.00 €
4,800.00 € Excluding VAT
5,952.00 € Includes VAT
410-WATT-420-WATT-
About answers to the most common questions about photovoltaics in homes. See the special offers of photovoltaics for 2022
5kw with photovoltaics on roofs with photovoltaics and installation Additional offers here
Available on backorder
-
Net metering 5kW photovoltaic package with 450 watt panels
3,650.00 €
2,750.00 € Excluding VAT
3,410.00 € Includes VATNet metering 5kW photovoltaic package offer
11 Photovoltaic panels 450 watts
Network inverter Renac NA 5000 DS (7500WATT max) 10 Year Warranty
Tile roof supports for 11 PV panels.
In stock
-
Autonomous photovoltaic package 1.2kWh/24 hours-12v
599.00 €
465.00 € Excluding VAT
576.60 € Includes VATAvailable on backorder
-
Net metering 10kW energy offset with PPC
6,700.00 €
5,590.00 € Excluding VAT
6,931.60 € Includes VATNet metering 10kW for energy offset and savings with PPC with production up to 16.600kWh per year
Available on backorder
-
Net-metering 10kw with 10kwh lithium battery for storage with 460 WATT PV and Panels Complete package
17,800.00 €
14,100.00 € Excluding VAT
17,484.00 € Includes VATNet-metering 10kw with 10kwh lithium battery for storage with PV 460 WATT and Panels Complete AC/DC package for energy compensation (10 year inverter warranty)
Net metering 10kw with 10kwh lithium battery ( They produce in the summer in southern areas 40-50kw daily and about half or 1/3 in Winter) 12.000 - 16.000 kw averaged per year in Southern regions.
Price without VAT
Available on backorder
-
Autonomous PV for a holiday home 4,5kWh with air conditioner
2,600.00 €
1,780.00 € Excluding VAT
2,207.20 € Includes VATAutonomous photovoltaic for a 4,5kWh cottage with air conditioning
Available on backorder
-
Photovoltaic Luxor 540 watt mono half cell ecoline LX-540M / 182-144-Germany
229.00 €
119.00 € Excluding VAT
147.56 € Includes VAT565 watts now available
LUXOR 565W N-Type TopCon LX-565TC M/144/N-TYPE/FS35/SW/16B/1500V Dimensions 2279x1134x35. Information here
Suitable for net-metering, home photovoltaics, parks and photovoltaic stations
Minimum purchase quantity 9 pieces
Out of stock
-
Autonomous photovoltaic for caravans or cottages 0,5kWh
630.00 €
495.00 € Excluding VAT
613.80 € Includes VATAvailable on backorder
-
5 kwh- 7kwh/24v/220AC – 24V Premium Photovoltaic System
3,750.00 €
2,950.00 € Excluding VAT
3,658.00 € Includes VAT4 pcs. Φ / Β panel Solar Energy SE 270 / 270-275 watt Poly/ European. They have positive Photovoltaic system Premium 24V tolerance and power in watts. That is, they always deliver more watts than their rated power, high efficiency installed power 1080 watts up to + 5% more efficiency. Available with 12 years warranty factory equipment and 25 years warranty 80% yield.
1 pc. pure sine wave inverter Phoenix 24/1600 3200 watt power supply high reliability. Suitable for operation of all devices of corresponding power. Provides energy savings of up to 25% on self-consumption due to stabilized sine. Warranty 60 months (5 years)
4 pcs. Batteries S. Energy ECOAGM 220 / 250AH C100 type VRLA/ AGM corresponding specifications to GEL batteries. (deep closed type discharge lasting 10-12 years of life). Total 828AH / 12V
Possibility to add 2V High-strength and longer-lasting batteries in extreme uses at a small additional cost.
1 pc. Charging regulator Phocos CXN 40 (Digital programmable) (2 years warranty)
Ability to add MPPT controller with datalogger to increase efficiency up to 25% at a small additional cost.
Available on backorder
Recently viewed products
-
Victron Phoenix Inverter C 24/1600 - 1300W Pure Sine Inverter for Photovoltaics
920.00 €
738.00 € Excluding VAT
915.12 € Includes VATVictron Phoenix Inverter C 24/1600 - 1300W Pure Sine Inverter for Photovoltaics
Inverter (inverter) Victron of Dutch origin, for autonomous systems (photovoltaic, wind, hybrid). Pure sine, high efficiency and with high peak power at 3000W. Suitable for a wide range of applications, capable of providing power, without problems, to any load. Excellent professional quality compact and light. With the possibility of connection in parallel and three-phase layout.
Technical characteristics
Inverter off Power (W) 1300 Manufacturer VictronEnergy Input Voltage (V) 24V DC Output Voltage (V) 230 AC Performance level (%) 94 IP protection IP21 Weight (kg) 10.0 Warranty (years) 5 Other Information Material & Color: aluminum (blue RAL 5012), Battery cables of 1.5 meter included, G-ST18i plug Available on backorder
-
Victron SmartSolar MPPT 250/60-Tr - MPPT 60A Photovoltaic - Wind Turbine Charging Regulator
443.00 €
373.00 € Excluding VAT
462.52 € Includes VATVictron SmartSolar MPPT 250/60-Tr - MPPT 60A Photovoltaic - Wind Turbine Charging Regulator
Extremely fast maximum power efficiency (MPPT) detection
Especially in the case of cloudy skies, or when the light intensity is constantly changing, an ultra-fast MPPT controller will improve energy efficiency by up to 30% compared to PWM charge controllers and up to 10% compared to slower MPPT controllers.
Advanced finding of optimal power efficiency in case of partial shading
Victron battery charge regulators, thanks to the rapid detection of maximum power point (MPPT) technology from photovoltaic panels, even in shady conditions, promise the fastest possible charging of the batteries of the autonomous photovoltaic system, guided by the safety of the equipment and ensuring the required charging voltage of the batteries for their proper and long-term proper operation.
Technical Features
Model No. MPPT 250/60 MPPT 250/70 MPPT 250/85 MPPT 250/100 Electrical data Max. Solar Input Power 860/1720/3440 W 1000/2000/4000 W 1200/2400/4900 W 1450/2900/5800 W Max. Solar Panel Open Circuit Voltage 250 V 250 V 250 V 250 V Max. Solar Panel Short Circuit Current A 35 A 35 A 70 A 70 Nominal System (Battery) Voltage 12 / 24 / 48 V 12 / 24 / 48 V 12 / 24 / 48 V 12 / 24 / 48 V Self-Consumption 35 mA 35 mA 35 mA 35 mA Peak Conversion Efficiency 99.00% 99.00% 99.00% 99.00% General Data Available on backorder
-
Amerisolar Photovoltaic Panel 285W 24V poly 60 cells AS-6P30
133.00 €
79.90 € Excluding VAT
99.08 € Includes VATAmerisolar Photovoltaic Panel 285W 24V poly 60 cells AS-6P30
Out of stock
-
4 PzS 620PB 2V Deep discharge SUNLIGHT battery
132.00 €
124.80 € Excluding VAT
154.75 € Includes VAT4 PzS 620PB 2V Deep discharge SUNLIGHT battery. Traction battery - open type with liquids, 620Ah (C5), with 2500 cycles at 50% DOD and with excellent performance in applications that require deep discharge. Suitable for electric lifting machines - clark - clark, service on boats, autonomous photovoltaic systems and generally electric applications. SUNLIGHT traction batteries optimize your business, as they provide reliable daily energy to your industrial or commercial vehicles.
Specifications
Electrical voltage 2 Capacity (C5) 620 [AH] Length 198 [mm] Width 83 [mm] Height 713 [mm] Height with poles 740 [mm] Weight 34.600 [kg] Ind NO Applications
In stock
-
Network Inverter ABB PVI-12.5-TL-OUTD-FS INT
2,150.00 €
1,716.53 € Excluding VAT
2,128.50 € Includes VATNetwork Inverter ABB PVI-12.5-TL-OUTD-FS INT Three phase converter
Available on backorder
-
RENAC R1-1100-SS R1 Mini Series Inverter 1100W Single Phase
470.00 €
374.00 € Excluding VAT
463.76 € Includes VATRENAC R1-1100-SS R1 Mini Series Inverter 1100W, Single-phase network inverter for photovoltaic. Suitable inverter for net metering, photovoltaic on roofs, home and professional photovoltaic systems.
Available on backorder
-
Victron SmartSolar MPPT 75/15 - 15A Photovoltaic Charging Regulator
72.00 €
61.00 € Excluding VAT
75.64 € Includes VATVictron SmartSolar MPPT 75/15 - 15A Photovoltaic Charging Regulator
With up to 94% efficiency, the heat loss of these chargers is three to four times lower than the industry specifications. And once the battery is fully charged, power consumption is reduced below 0.5 Watt, a value about five to ten times lower than the industry standard.
Specifications
Model No. MPPT 75/10 MPPT 75/15 MPPT 100/15 MPPT 100/20 Electrical data Max. Solar Input Power 145 / 290 W 220 / 440 W 220 / 440 W 290 / 580 W Max. Solar Panel Open Circuit Voltage 75 V 75 V 100 V 100 V Max. Solar Panel Short Circuit Current A 13 A 15 A 15 A 20 Nominal System (Battery) Voltage 12 / 24 V 12 / 24 V 12 / 24 V 12 / 24 V Self-Consumption 10 mA 10 mA 10 mA 10 mA Peak Conversion Efficiency 98.00% 98.00% 98.00% 98.00% Available on backorder
-
BATTERY 2V GEL deep discharge 10 ECOPVV 1500 / 1580Ah C100
685.00 €
499.00 € Excluding VAT
618.76 € Includes VATBATTERY 2V GEL deep discharge 10 ECOPVV 1500 / 1580Ah C100
The enhanced range of deep discharge batteries GEL 10 ECOPVV 1500 / 1580Ah 2V C100 (Type OPzV ), GEL technology provides truly excellent performance and long life. The double element 10 ECOPVV 1500 / 1580Ah 2V C100 as an accumulator can approach voltage float services even 20 years of life.
The batteries 10 ECOPVV 1500 / 1580Ah 2V C100 They are manufactured according to the high German quality standards and are suitable for deep discharges and stresses in extreme operating conditions. They offer up to 3.500 cycles with a discharge rate of 50%.
It is an excellent choice in terms of price, quality and performance in relation to the competition.1580Ah C100 / 3500 charge cycles at 50% of discharge
Dealership Warranty 2 years
Price without VAT
Out of stock
-
Autonomous Photovoltaic system 2.1 Kwh- 2.3kwh
1,490.00 €
909.00 € Excluding VAT
1,127.16 € Includes VAT2.100Wh to 2.300Wh operating voltage 24 VDC / 220V Consumable energy 24 hours a day during the summer months *
Appliances: Energy class A refrigerator small (90-110watt) + Lighting 4- 6 lamps + TV small energy class A + small appliances 450wh
Price without VAT
Available on backorder
-
ECOAGM 220 / 250AH C100 Premium
444.00 €
329.00 € Excluding VAT
407.96 € Includes VATECO AGM / VRLA battery 220AH C20 & 250AH C100, 12V closed type AGM Long Life maintance free (no maintenance)
Deep discharge of high fidelity with a life expectancy of 10-12 years
Ideal for Solar use in autonomous photovoltaic and hybrid systems, back up applications, UPS, permanent and holiday homes yachts (service use), Electric Wheelchairs, wifi transponders & mobile telephony etc.
