Trade Professional? Buy ControlFreq online for less. Register now to receive your discount code by email. Our team will first validate your business. If you’re in a rush, call 020 3478 0784 for a fast track discount. Get Trade Discount Now >>> All hardware Alarm signalling Communications Access control Add-ons Hardware Categories: All All hardware Alarm Communicators Landline Alternatives Access Control GSM Intercoms Optional Add-ons All | All hardware | Alarm Communicators | Landline Alternatives | Access Control | GSM Intercoms | Optional Add-ons | 4G VoLTE Landline Replacement Communicator £368.00 VoLTE PIN Code Access Control System £399.00 Universally-compatible 4G-LTE Alarm Signalling Communicator £368.00 ALPHA-1 | Universal 4G VoLTE SMS Alarm Communicator £198.00 4G VoLTE Access Control System | 2 Door £389.00 UHF-4G | 4G Long-Range UHF Access Control Package for Vehicles £529.00 ALPHAHUB-1 | 4G VoLTE Access Control System | 1 door £329.00 GSM Intercom for Car Park Access £2,250.00 4G VoLTE GSM Intercom | 1-Way £399.00 4G VoLTE Audio Keypad GSM Intercom | 200 way | Multiway Access Control £798.00 4G VoLTE GSM Intercom with Keypad | 2 door | Dual Entry Access Control £580.00 4G VoLTE Audio Keypad GSM Intercom | 1-Way Access Control £598.00 SPEAKER-4G | Remote Audio Loudspeaker £340.00 GSM Antenna - Blade adhesive stick-on mount £25.20 QR-4G | QR-Code Reader for Access Control Systems £0.00 GSM Antenna - Anti-Vandal bolt-through mount £30.00 Extension cable for 'Ultra Directional from £30.00 MEGA-30 | External High Gain Magnetic 4G Antenna (3–5 dBi) £45.60 ULTRA | Ultra High-Gain YAGI External Directional Antenna £134.40 PSU-HW | DIN-Rail Mounting Bracket for 15VDC PSU £18.00 15VDC 1A - Plug-in PSU £18.00 Weatherproof Enclosure (DIN-Rail Design) £22.00 Antennas from £21.00 Power supply from £15.00