That's one slim cellular antenna! At just 75mm long from tip to tip and and with a thickness of just 2mm, this 3dBi GSM antenna is slim, compact and sensitive, with a 3dBi gain.  The antenna juts out from its base with stick-on back so you attach it to an enclosure if you're making something like, say, a DIY phone.  It has a tiny uFL connector on the end - which is perfect for the FONA - but will also work...

This 2.2"/57mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device. Antenna comes with a Right-angle SMA connector. If you need to connect this to an RP-SMA connector for some reason, use this handy adapter and if you need to connect to a u.FL connector, just pop on this adapter.

That's one slim cellular antenna! At 238mm long from tip to tip and and with a cable thickness of just 2mm, this 3dBi GSM antenna is slim, compact and sensitive, with a 3dBi gain. The antenna juts out from its base with stick-on back so you attach it to an enclosure if you're making something like, say, a DIY phone. It has a tiny uFL connector on the end - which is perfect for the FONA - but will also work...

This 2.4"/61mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device. Antenna comes with a SMA connector, which is the most common type you'll see for Cellular development boards. If you need to connect this to an RP-SMA connector for some reason, use this handy adapter and if you need to connect...

This antenna is a perfect addition to your cellular project with LTE connectivity. It's specifically intended for use with the Pycom LTE-powered kits but it's just a passive antenna so you can pair it with any dev board you like, as long as it has a uFL connector. Comes with a flexible copper grounding sticker, you can use to provide a nice big ground plane!